WO2014123875A1 - Adjustable rack - Google Patents

Adjustable rack Download PDF

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Publication number
WO2014123875A1
WO2014123875A1 PCT/US2014/014628 US2014014628W WO2014123875A1 WO 2014123875 A1 WO2014123875 A1 WO 2014123875A1 US 2014014628 W US2014014628 W US 2014014628W WO 2014123875 A1 WO2014123875 A1 WO 2014123875A1
Authority
WO
WIPO (PCT)
Prior art keywords
vertical support
side frame
rack
support member
hinge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2014/014628
Other languages
French (fr)
Inventor
Arturo Gonzalez
Steven M. Kessell
Michael D. Potter
Jerry Vance FOSTER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPG International LLC
Original Assignee
SPG International LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SPG International LLC filed Critical SPG International LLC
Priority to CN201480012912.9A priority Critical patent/CN105358404B/en
Priority to EP14748996.7A priority patent/EP2953835B1/en
Publication of WO2014123875A1 publication Critical patent/WO2014123875A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B43/00—Cabinets, racks or shelf units, characterised by features enabling folding of the cabinet or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/0058—Horizontal connecting members without panels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/0083—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements with four vertical uprights
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • A47F5/10—Adjustable or foldable or dismountable display stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/006—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor for stacking objects like trays, bobbins, chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • B62B3/025—Foldable roll containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys
    • B62B3/18—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys nestable by means of pivoted supports or support parts, e.g. baskets
    • B62B3/184—Nestable roll containers
    • B62B3/186—V-shaped when nested
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/02—Hand-propelled vehicles or sledges being foldable or dismountable when not in use foldable widthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/06—Foldable with a scissor-like mechanism

Definitions

  • the present invention relates to a mobile support rack that is collapsible and nestable with a plurality of other support racks for transport and storage.
  • Mobile support racks provide a structure upon which several items, such as baking pans in a commercial kitchen, can be efficiently transported where needed.
  • the size of rack necessary for conventional commercial baking pans renders storage of such racks cumbersome, as multiple racks use up valuable kitchen or bakery space.
  • a first side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member.
  • a second side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member.
  • a hinge assembly includes a first hinge assembly coupling the second vertical support members of the first and second side frames and a second hinge assembly orthogonal to the first hinge assembly and coupling the first side frame to the second side frame. The hinge assembly is operable to position the first side frame from a first position relative to the second side frame to a second position relative to the second side frame.
  • the rack includes a first side frame including a first vertical support member and a second vertical support member, and a second side frame including a first vertical support member and a second vertical support member.
  • a hinge assembly couples the first and second side frames and is operable to position the rack in a first position in which the first side frame and the second side frame are parallel and spaced a predetermined distance apart, a second position in which the first side frame and the second side frame are nonparallel, and a third position in which the first side frame and the second side frame are parallel but closer in proximity than the predetermined distance.
  • a first side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member.
  • a second side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member.
  • a hinge assembly is operable to position the first side frame from a first position relative to the second side frame in which the distance between the first vertical support members of the first and second side frames is equal to the distance between the second vertical support members of the first and second side frames, to a second position relative to the second side frame in which the first vertical support members of the first and second side frames are closer in proximity than the second vertical support members of the first and second side frames.
  • Fig. 1 is a rear perspective view of a support rack in an operational configuration.
  • Fig. 2 is a side view of the support rack of Fig. 1.
  • Fig. 3 is a rear view of the support rack of Fig. 1.
  • Fig. 4 is a cross-sectional view of the support rack of Fig. 2 taken along line 4-4.
  • Fig. 5 is an exploded view of a hinge assembly of the support rack of Fig. 1.
  • Fig. 6 is a rear perspective view of the support rack of Fig. 1 in a nested
  • Fig. 7 is a side view of the support rack of Fig. 6.
  • Fig. 8 is a rear view of the support rack of Fig. 6.
  • Fig. 9 is a cross-sectional view of the support rack of Fig. 7 taken along line 9-9.
  • Fig. 10 is a rear perspective view of the support rack of Fig. 1 in a collapsed configuration.
  • Fig. 11 is a side view of the support rack of Fig. 10.
  • Fig. 12 is a rear view of the support rack of Fig. 10.
  • Fig. 13 is a cross-sectional view of the support rack of Fig. 11 taken along line 13-13.
  • Fig. 14 is a perspective view of the support rack of Fig. 1 in use.
  • Fig. 15 is a top view of a plurality of support racks in the nested configuration of Fig. 6.
  • Fig. 16 is a top view of a plurality of support racks in the collapsed configuration of Fig. 10.
  • Fig. 17A is a partial perspective view of a handle assembly for use with the support rack of Fig. 1.
  • Fig. 17B is a partial perspective view of the handle assembly of Fig. 17A for use with the support rack of Fig. 6.
  • Fig. 18 is rear perspective view of another support rack in an operational
  • Fig. 19 is a rear perspective view of the support rack of Fig. 18 in a nested
  • Fig. 20 is a rear perspective view of the support rack of Fig. 18 in a collapsed configuration.
  • a support rack 10 includes a first side frame 14 and a second side frame 18.
  • Each side frame 14, 18 is formed from a first vertical support member 22 and a second vertical support member 26, each member 22, 26 having a first end 30 and a second end 34, and a generally horizontal support member 38 extending between the first ends 30.
  • a rolling element such as a caster wheel 46, is coupled to each of the vertical support members 22, 26 at the bottom end 34.
  • a plurality of equally or unequally spaced lateral members 42 are coupled to the vertical support members 22, 26.
  • each lateral member 42 of the first side frame 14 presents a first support surface, or ledge 70
  • an opposing lateral member 42 of the second side frame 18 presents a second support surface, or ledge 74.
  • the first and second surfaces 70, 74 define end portions of a truncated plane extending therebetween, which is substantially parallel to the surface over which the caster wheels 46 roll.
  • the edges of several baking pans are shown resting on the respective first and second ledges 70, 74 of a plurality of opposing lateral members 42.
  • Each ledge pair 70, 74 supports the weight of a pan and its contents between the first and second side frames 14, 18. In this operational
  • the side frames 14, 18 are positioned a predetermined distance apart
  • the object such as a baking pan
  • a hinge assembly 50 couples the two side frames 14, 18 together and can be positioned to configure the frames 14, 18 in an operational, nested, or collapsed relationship, as further detailed below.
  • the hinge assembly 50 includes a first or vertical hinge assembly 54 and a second or horizontal hinge assembly 58 orthogonal to the vertical hinge assembly 54.
  • the vertical hinge assembly 54 includes a first end linkage member 62 and a second end linkage member 66.
  • the first end linkage member 62 is rotatably coupled to the vertical support member 26 of the first side frame 14 at a pivot connection 78 and rotatably coupled to the vertical support member 26 of the second side frame 18 at a pivot connection 86 proximate the caster wheel 46.
  • the second end linkage member 66 is rotatably coupled to the vertical support member 26 of the second side frame 18 at a pivot connection 82 and rotatably coupled to the vertical support member 26 of the first side frame 14 at a pivot connection 90 proximate the opposing caster wheel 46.
  • the locations of connections 78, 82, and of 86, 90 illustrated are not limiting and other locations can be used in other embodiments.
  • the second end linkage member 66 includes a slot 94 through which the first end linkage member 62 passes, and the first and second end linkage members 62, 66 are pivotally coupled with a pin connection 98 at the approximate midpoint of the slot 94.
  • the pivot members 86, 90 are coupled to sliding members 190, each of which includes a first aperture 194 that receives a pin 196 to rotatably secure the respective pivot member 86, 90.
  • the members 190 are translatable about a slide rail 202 via a second aperture 198.
  • a mounting bracket 214 positioned at a first end 206 and a second end 210 of the slide rail 202 secures the rail to the respective vertical members 26.
  • the sliding members 190 and thus the members 86, 90 are operable to slide along the slide rail 202 between the two mounting brackets 214, which thereby define travel stops for the sliding members 190.
  • the pivot members 78, 82 are each coupled to a sliding member 190 operable to slide along a slide rail 218.
  • the slide rail 218 is generally shorter than the slide rail 202, i.e., the first end 222 and a second end 226 are generally closer together.
  • the slide rails 218 are mounted to the respective vertical members 26 at the ends 222, 226 with additional mounting brackets 214.
  • the slide rail 218 is dimensioned to afford limited, if any, travel for the associated sliding member 190 and pivot members 78, 82.
  • the relative positions of the slide rails 202 and 218 can be switched on a vertical support member 26. [0034] As shown in Fig.
  • the horizontal hinge assembly 58 includes a first linkage member 130 and a second linkage member 134.
  • the first linkage member 130 is rotatably coupled to the vertical member 26 of the first side frame 14 at a pivot connection 142 with a pin 220 and a mounting bracket 228, and rotatably coupled to a centrally located crosspiece 146 of the second side frame 18 at a pivot connection 154.
  • the second linkage member 134 is rotatably coupled to the vertical member 26 of the second side frame 18 at a pivot connection 150 with a pin 220 and a mounting bracket 228, and rotatably coupled to a crosspiece 138 of the first side frame 14 at a pivot connection 158.
  • the locations of connections 142, 150, and of connections 154, 158 are not limiting and other locations can be used in other embodiments.
  • the first linkage member 130 includes a first slot 162 with a first end 166 and a second end 170.
  • the second linkage member 134 includes a second slot 174 with a first end 178 and a second end 182.
  • a sliding pin 186 is received by the first and second slots 162, 174 and slidably couples the first and second linkage members 130, 134.
  • first and second linkage members 130, 134 can be straight bar linkages rather than angled or bent as illustrated.
  • Sliding members 230 each include a first aperture 234 that receives a pin 236 to rotatably secure the respective pivot connections 154, 158.
  • the sliding members 230 translate about a slide rail 242 via a second aperture 238.
  • the slide rail 242 includes a first end 246 and a second end 250 mounted to the respective crosspieces 138, 146 via individual mounting brackets 214.
  • the sliding members 230 are operable to slide along the slide rail 242 between the two mounting brackets 214, which define travel stops for the sliding members 230. This motion rotates the respective first and second linkage members 130, 134 about the connections 142, 150.
  • the slide rails 242 can be longer in length than either of the slide rails 218 and 202.
  • the operational configuration of the support rack 10 is shown with baking pans P supported on the plurality of lateral support members 42, as previously described.
  • the hinge assembly 50 is further operable to place the side frames 14, 18 in a nested configuration, as shown in Figs. 6-9, and in a collapsed configuration, as shown in Figs. 10-13, both of which facilitate storage of the support rack 10.
  • the nested configuration shown in Figs. 6-9, places the side frames 14, 18 in a 'V shape, such that the support members 26 are closer together than the support members 22.
  • the second vertical support members 26 of the first and second side frames 14, 18 are manually forced together.
  • the first and second end linkage members 62, 66 rotate about the end pivot 98 as the pivot members 86, 90 slide along the slide rails 202 from the second ends 210 toward the first ends 206 and the pivot members 154, 158 slide along slide rails 242 from the first ends 246 toward the second ends 250.
  • the sliding pin 186 moves from the second ends 170, 182 of slots 162, 174, respectively, to the first ends 166, 178.
  • the nested configuration allows the user to store a plurality of support racks 254 by nesting one support rack with another to form a straight row.
  • the collapsed configuration places the side frames 14, 18 closer together than in the operational configuration while remaining in a parallel orientation.
  • the first and second vertical support members 22, 26 of each side frame 14, 18 are manually forced together.
  • the first and second end linkage members 62, 66 rotate about the end pivot 98 as the pivot members 86, 90 slide along slide rails 202 from the second ends 210 toward the first ends 206 and the pivot members 154, 158 slide along slide rails 242 from the first ends 246 toward the second end 250.
  • the sliding pin 186 remains adjacent the second ends 170, 182 of slots 162, 174, respectively.
  • first and second vertical support members 22, 26 of each side frame 14, 18 are manually forced apart.
  • the pivot members 86, 90 slide along slide rail 202 from the first ends 206 toward the second ends 210 as the pivot members 154, 158 slide along slide rails 242 from the second ends 250 toward the first ends 246.
  • the vertical members 22 of each side frame 14, 18 are manually forced together. Since the second vertical members 26 are already in position, the hinge assembly 54 does not change orientation. As the hinge assembly 58 pivots, the pivot members 154, 158 slide further along slide rails 242 from the first ends 246 toward the second ends 250 as the sliding pin 186 moves from the first ends 166, 178 of the slots 162, 174, respectively, to the second ends 170, 182.
  • the rack 10 can likewise be placed into the nested configuration from the collapsed configuration by manually forcing vertical support members 22 of each side frame 14, 18 apart.
  • pivot members 86, 90 retain their position, the pivot members 154, 158 slide along rails 242 from the second ends 250 toward the first ends 246 while the sliding pin 186 moves from the second ends 170, 182 to the first ends 166, 178 of the slots 162, 174.
  • the user saves space when storing or shipping the racks in a configuration that takes up the least amount of space when compared to the operational and nested configurations.
  • the collapsed configuration allows the user to more efficiently store the plurality of support racks 254 by stacking them side- by-side.
  • a handle assembly 272 can be coupled to the first and second end linkage members 62, 66 of the hinge assembly 54 to permit a user to more easily change the configuration of or transport the rack 10.
  • the handle assembly 272 includes a handle portion 276 and a mounting portion 280.
  • the mounting portion 280 is pivotally coupled to a first mounting linkage member 284 and a second mounting linkage member 288.
  • the first mounting linkage member 284 couples the mounting portion 280 to the first end linkage member 62 at a pivot 292.
  • the second mounting linkage member 288 couples the mounting portion 280 to the second end linkage member 66 at a pivot 294.
  • the handle assembly aids in mobility of the rack 10 in the operational, nested, or collapsed configuration.
  • a support rack 300 includes similar components to support rack 10.
  • an alternative hinge assembly 304 includes a top hinge 308 located proximate the top portion of the first and second side frames 14, 18, and a bottom hinge 312 located proximate the caster wheels 46.
  • the top hinge 308 includes a first top linkage member 316 pivotably coupled to the first side frame 14 at a first pivot point 320 and a second top linkage member 324 pivotably coupled to the second side frame 18 at a second pivot point 328.
  • the first and second top linkage members are pivotably connected to a center coupler 332.
  • the hinge assembly 304 permits the support rack 300 to be configured in an operational configuration (Fig. 18), a nested configuration (Fig. 19), and a collapsed configuration (Fig. 20) as described with respect to the support rack 10.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Assembled Shelves (AREA)
  • Drawers Of Furniture (AREA)

Abstract

A support rack for holding a plurality of pans includes a first side frame including a first vertical support member and a second vertical support member, and a second side frame including a first vertical support member and a second vertical support member. A hinge assembly couples the first and second side frames and is operable to position the rack in a first position in which the first side frame and the second side frame are parallel and spaced a predetermined distance apart, a second position in which the first side frame and the second side frame are nonparallel, and a third position in which the first side frame and the second side frame are parallel but closer in proximity than the predetermined distance.

Description

ADJUSTABLE RACK
BACKGROUND
[0001] The present invention relates to a mobile support rack that is collapsible and nestable with a plurality of other support racks for transport and storage.
[0002] Mobile support racks provide a structure upon which several items, such as baking pans in a commercial kitchen, can be efficiently transported where needed. The size of rack necessary for conventional commercial baking pans, however, renders storage of such racks cumbersome, as multiple racks use up valuable kitchen or bakery space. In addition, it is difficult for a user to transport multiple conventional support racks for storage at one time.
SUMMARY
[0003] In one embodiment of a support rack, a first side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member. A second side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member. A hinge assembly includes a first hinge assembly coupling the second vertical support members of the first and second side frames and a second hinge assembly orthogonal to the first hinge assembly and coupling the first side frame to the second side frame. The hinge assembly is operable to position the first side frame from a first position relative to the second side frame to a second position relative to the second side frame.
[0004] In one embodiment of a support rack for holding a plurality of pans, the rack includes a first side frame including a first vertical support member and a second vertical support member, and a second side frame including a first vertical support member and a second vertical support member. A hinge assembly couples the first and second side frames and is operable to position the rack in a first position in which the first side frame and the second side frame are parallel and spaced a predetermined distance apart, a second position in which the first side frame and the second side frame are nonparallel, and a third position in which the first side frame and the second side frame are parallel but closer in proximity than the predetermined distance. [0005] In one embodiment of a support rack, a first side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member. A second side frame includes a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member. A hinge assembly is operable to position the first side frame from a first position relative to the second side frame in which the distance between the first vertical support members of the first and second side frames is equal to the distance between the second vertical support members of the first and second side frames, to a second position relative to the second side frame in which the first vertical support members of the first and second side frames are closer in proximity than the second vertical support members of the first and second side frames.
[0006] Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Fig. 1 is a rear perspective view of a support rack in an operational configuration. [0008] Fig. 2 is a side view of the support rack of Fig. 1. [0009] Fig. 3 is a rear view of the support rack of Fig. 1.
[0010] Fig. 4 is a cross-sectional view of the support rack of Fig. 2 taken along line 4-4.
[0011] Fig. 5 is an exploded view of a hinge assembly of the support rack of Fig. 1.
[0012] Fig. 6 is a rear perspective view of the support rack of Fig. 1 in a nested
configuration.
[0013] Fig. 7 is a side view of the support rack of Fig. 6. [0014] Fig. 8 is a rear view of the support rack of Fig. 6.
[0015] Fig. 9 is a cross-sectional view of the support rack of Fig. 7 taken along line 9-9. [0016] Fig. 10 is a rear perspective view of the support rack of Fig. 1 in a collapsed configuration.
[0017] Fig. 11 is a side view of the support rack of Fig. 10.
[0018] Fig. 12 is a rear view of the support rack of Fig. 10.
[0019] Fig. 13 is a cross-sectional view of the support rack of Fig. 11 taken along line 13-13.
[0020] Fig. 14 is a perspective view of the support rack of Fig. 1 in use.
[0021] Fig. 15 is a top view of a plurality of support racks in the nested configuration of Fig. 6.
[0022] Fig. 16 is a top view of a plurality of support racks in the collapsed configuration of Fig. 10.
[0023] Fig. 17A is a partial perspective view of a handle assembly for use with the support rack of Fig. 1.
[0024] Fig. 17B is a partial perspective view of the handle assembly of Fig. 17A for use with the support rack of Fig. 6.
[0025] Fig. 18 is rear perspective view of another support rack in an operational
configuration.
[0026] Fig. 19 is a rear perspective view of the support rack of Fig. 18 in a nested
configuration.
[0027] Fig. 20 is a rear perspective view of the support rack of Fig. 18 in a collapsed configuration.
DETAILED DESCRIPTION
[0028] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. And as used herein and in the appended claims, the terms "upper", "lower", "top", "bottom", "front", "back", and other directional terms are not intended to require any particular orientation, but are instead used for purposes of description only.
[0029] A support rack of the invention will be herein described for, but is not limited to, operational use with kitchen and bakery equipment. With reference to Fig. 1, a support rack 10 includes a first side frame 14 and a second side frame 18. Each side frame 14, 18 is formed from a first vertical support member 22 and a second vertical support member 26, each member 22, 26 having a first end 30 and a second end 34, and a generally horizontal support member 38 extending between the first ends 30. A rolling element, such as a caster wheel 46, is coupled to each of the vertical support members 22, 26 at the bottom end 34.
[0030] A plurality of equally or unequally spaced lateral members 42 are coupled to the vertical support members 22, 26. Specifically, each lateral member 42 of the first side frame 14 presents a first support surface, or ledge 70, and an opposing lateral member 42 of the second side frame 18 presents a second support surface, or ledge 74. The first and second surfaces 70, 74 define end portions of a truncated plane extending therebetween, which is substantially parallel to the surface over which the caster wheels 46 roll. Referring also to Fig. 14, the edges of several baking pans are shown resting on the respective first and second ledges 70, 74 of a plurality of opposing lateral members 42. Each ledge pair 70, 74 supports the weight of a pan and its contents between the first and second side frames 14, 18. In this operational
configuration, the side frames 14, 18 are positioned a predetermined distance apart
corresponding to the size of the object, such as a baking pan, to be supported.
[0031] A hinge assembly 50 couples the two side frames 14, 18 together and can be positioned to configure the frames 14, 18 in an operational, nested, or collapsed relationship, as further detailed below. The hinge assembly 50 includes a first or vertical hinge assembly 54 and a second or horizontal hinge assembly 58 orthogonal to the vertical hinge assembly 54.
[0032] Referring to Figs. 1-3, the vertical hinge assembly 54 includes a first end linkage member 62 and a second end linkage member 66. The first end linkage member 62 is rotatably coupled to the vertical support member 26 of the first side frame 14 at a pivot connection 78 and rotatably coupled to the vertical support member 26 of the second side frame 18 at a pivot connection 86 proximate the caster wheel 46. The second end linkage member 66 is rotatably coupled to the vertical support member 26 of the second side frame 18 at a pivot connection 82 and rotatably coupled to the vertical support member 26 of the first side frame 14 at a pivot connection 90 proximate the opposing caster wheel 46. The locations of connections 78, 82, and of 86, 90 illustrated are not limiting and other locations can be used in other embodiments. The second end linkage member 66 includes a slot 94 through which the first end linkage member 62 passes, and the first and second end linkage members 62, 66 are pivotally coupled with a pin connection 98 at the approximate midpoint of the slot 94.
[0033] Referring also to Fig. 5, the pivot members 86, 90 are coupled to sliding members 190, each of which includes a first aperture 194 that receives a pin 196 to rotatably secure the respective pivot member 86, 90. The members 190 are translatable about a slide rail 202 via a second aperture 198. A mounting bracket 214 positioned at a first end 206 and a second end 210 of the slide rail 202 secures the rail to the respective vertical members 26. The sliding members 190 and thus the members 86, 90 are operable to slide along the slide rail 202 between the two mounting brackets 214, which thereby define travel stops for the sliding members 190. In a similar manner, the pivot members 78, 82 are each coupled to a sliding member 190 operable to slide along a slide rail 218. The slide rail 218 is generally shorter than the slide rail 202, i.e., the first end 222 and a second end 226 are generally closer together. The slide rails 218 are mounted to the respective vertical members 26 at the ends 222, 226 with additional mounting brackets 214. In some constructions, the slide rail 218 is dimensioned to afford limited, if any, travel for the associated sliding member 190 and pivot members 78, 82. In an alternative embodiment, the relative positions of the slide rails 202 and 218 can be switched on a vertical support member 26. [0034] As shown in Fig. 4, the horizontal hinge assembly 58 includes a first linkage member 130 and a second linkage member 134. The first linkage member 130 is rotatably coupled to the vertical member 26 of the first side frame 14 at a pivot connection 142 with a pin 220 and a mounting bracket 228, and rotatably coupled to a centrally located crosspiece 146 of the second side frame 18 at a pivot connection 154. The second linkage member 134 is rotatably coupled to the vertical member 26 of the second side frame 18 at a pivot connection 150 with a pin 220 and a mounting bracket 228, and rotatably coupled to a crosspiece 138 of the first side frame 14 at a pivot connection 158. The locations of connections 142, 150, and of connections 154, 158 are not limiting and other locations can be used in other embodiments.
[0035] Referring also to Fig. 5, the first linkage member 130 includes a first slot 162 with a first end 166 and a second end 170. The second linkage member 134 includes a second slot 174 with a first end 178 and a second end 182. A sliding pin 186 is received by the first and second slots 162, 174 and slidably couples the first and second linkage members 130, 134.
Alternatively, the first and second linkage members 130, 134 can be straight bar linkages rather than angled or bent as illustrated.
[0036] Sliding members 230 each include a first aperture 234 that receives a pin 236 to rotatably secure the respective pivot connections 154, 158. The sliding members 230 translate about a slide rail 242 via a second aperture 238. The slide rail 242 includes a first end 246 and a second end 250 mounted to the respective crosspieces 138, 146 via individual mounting brackets 214. The sliding members 230 are operable to slide along the slide rail 242 between the two mounting brackets 214, which define travel stops for the sliding members 230. This motion rotates the respective first and second linkage members 130, 134 about the connections 142, 150. The slide rails 242 can be longer in length than either of the slide rails 218 and 202.
[0037] Again referring to Fig. 14, the operational configuration of the support rack 10 is shown with baking pans P supported on the plurality of lateral support members 42, as previously described. From the operational configuration, the hinge assembly 50 is further operable to place the side frames 14, 18 in a nested configuration, as shown in Figs. 6-9, and in a collapsed configuration, as shown in Figs. 10-13, both of which facilitate storage of the support rack 10. [0038] The nested configuration, shown in Figs. 6-9, places the side frames 14, 18 in a 'V shape, such that the support members 26 are closer together than the support members 22. To adjust the frames 14, 18 from the operational configuration to the nested configuration, the second vertical support members 26 of the first and second side frames 14, 18 are manually forced together. Concurrently, the first and second end linkage members 62, 66 rotate about the end pivot 98 as the pivot members 86, 90 slide along the slide rails 202 from the second ends 210 toward the first ends 206 and the pivot members 154, 158 slide along slide rails 242 from the first ends 246 toward the second ends 250. Simultaneously, the sliding pin 186 moves from the second ends 170, 182 of slots 162, 174, respectively, to the first ends 166, 178.
[0039] By nesting multiple support racks, the user saves space when storing the racks and can more easily transport multiple support racks. With reference to Fig. 15, the nested configuration allows the user to store a plurality of support racks 254 by nesting one support rack with another to form a straight row.
[0040] To reconfigure a nested rack to the operational position, the vertical members 26 are manually forced apart, which causes pivot members 86, 90 to slide along rails 202 toward the second ends 210 as the sliding pin 186 of linkages 130, 134 moves from the first ends 166, 178 to the second ends 170, 182 of the slots 162, 174.
[0041] The collapsed configuration, shown in Figs. 10-13, places the side frames 14, 18 closer together than in the operational configuration while remaining in a parallel orientation. To adjust the frames 14, 18 from the operational configuration to the collapsed configuration, the first and second vertical support members 22, 26 of each side frame 14, 18 are manually forced together. Concurrently, the first and second end linkage members 62, 66 rotate about the end pivot 98 as the pivot members 86, 90 slide along slide rails 202 from the second ends 210 toward the first ends 206 and the pivot members 154, 158 slide along slide rails 242 from the first ends 246 toward the second end 250. In contrast to the nested position (see Fig. 9), the sliding pin 186 remains adjacent the second ends 170, 182 of slots 162, 174, respectively.
[0042] To reconfigure a collapsed rack to the operational position, the first and second vertical support members 22, 26 of each side frame 14, 18 are manually forced apart. The pivot members 86, 90 slide along slide rail 202 from the first ends 206 toward the second ends 210 as the pivot members 154, 158 slide along slide rails 242 from the second ends 250 toward the first ends 246.
[0043] To configure a nested rack to the collapsed configuration, the vertical members 22 of each side frame 14, 18 are manually forced together. Since the second vertical members 26 are already in position, the hinge assembly 54 does not change orientation. As the hinge assembly 58 pivots, the pivot members 154, 158 slide further along slide rails 242 from the first ends 246 toward the second ends 250 as the sliding pin 186 moves from the first ends 166, 178 of the slots 162, 174, respectively, to the second ends 170, 182. The rack 10 can likewise be placed into the nested configuration from the collapsed configuration by manually forcing vertical support members 22 of each side frame 14, 18 apart. Though the pivot members 86, 90 retain their position, the pivot members 154, 158 slide along rails 242 from the second ends 250 toward the first ends 246 while the sliding pin 186 moves from the second ends 170, 182 to the first ends 166, 178 of the slots 162, 174.
[0044] By collapsing multiple support racks, the user saves space when storing or shipping the racks in a configuration that takes up the least amount of space when compared to the operational and nested configurations. With reference to Fig. 16, the collapsed configuration allows the user to more efficiently store the plurality of support racks 254 by stacking them side- by-side.
[0045] With reference to Figs. 17A and 17B, a handle assembly 272 can be coupled to the first and second end linkage members 62, 66 of the hinge assembly 54 to permit a user to more easily change the configuration of or transport the rack 10. The handle assembly 272 includes a handle portion 276 and a mounting portion 280. The mounting portion 280 is pivotally coupled to a first mounting linkage member 284 and a second mounting linkage member 288. The first mounting linkage member 284 couples the mounting portion 280 to the first end linkage member 62 at a pivot 292. The second mounting linkage member 288 couples the mounting portion 280 to the second end linkage member 66 at a pivot 294. As illustrated, the handle assembly aids in mobility of the rack 10 in the operational, nested, or collapsed configuration.
[0046] With reference to Figs. 18-20, in another construction a support rack 300 includes similar components to support rack 10. Instead of the hinge assembly 50, an alternative hinge assembly 304 includes a top hinge 308 located proximate the top portion of the first and second side frames 14, 18, and a bottom hinge 312 located proximate the caster wheels 46. For purposes of the illustrations, only the top hinge 308, which is identical to the bottom hinge 312, will be described. The top hinge 308 includes a first top linkage member 316 pivotably coupled to the first side frame 14 at a first pivot point 320 and a second top linkage member 324 pivotably coupled to the second side frame 18 at a second pivot point 328. The first and second top linkage members are pivotably connected to a center coupler 332. The hinge assembly 304 permits the support rack 300 to be configured in an operational configuration (Fig. 18), a nested configuration (Fig. 19), and a collapsed configuration (Fig. 20) as described with respect to the support rack 10.
[0047] Various features and advantages of the invention are set forth in the following claims.

Claims

CLAIMS What is claimed is:
1. A support rack comprising:
a first side frame including a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member;
a second side frame including a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member; and
a hinge assembly including
a first hinge assembly coupling the second vertical support members of the first and second side frames and
a second hinge assembly orthogonal to the first hinge assembly and coupling the first side frame to the second side frame,
wherein the hinge assembly is operable to position the first side frame from a first position relative to the second side frame to a second position relative to the second side frame.
2. The rack of claim 1, wherein the support surface of the first side frame and the support surface of the second side frame each define end portions of a truncated plane extending therebetween.
3. The rack of claim 1, wherein the first position is an operational configuration in which an object can be concurrently disposed on the support surface of the first side frame and the support surface of the second side frame.
4. The rack of claim 3, wherein the object is a baking pan.
5. The rack of claim 1, wherein in the second position, the first vertical support members of the first and second side frames are closer in proximity than the second vertical support members.
6. The rack of claim 3, wherein in the second position, the first vertical support members of the first and second side frames are closer in proximity than in the operational configuration.
7. The rack of claim 6, wherein in the second position, the second vertical support members of the first and second side frames are closer in proximity than in the operational configuration.
8. The rack of claim 1, wherein the first side frame further includes a second support surface extending between the first vertical support member and the second vertical support member, and wherein the second side frame further includes a second support surface extending between the first vertical support member and the second vertical support member.
9. The rack of claim 1 , wherein the rack further includes caster wheels on a bottom edge of the first and second vertical support members.
10. The rack of claim 1 , wherein the first hinge assembly comprises a first linkage member and a second linkage member pivotably coupled.
11. The rack of claim 10, wherein the first linkage member defines a slot through which the second linkage member passes.
12. The rack of claim 10, wherein one of the first linkage member and the second linkage member is operatively coupled to a sliding member secured to the first vertical support member of the first side frame.
13. The rack of claim 1, wherein the second hinge assembly comprises a first linkage member and a second linkage member pivotably coupled.
14. The rack of claim 13, further including a lateral member extending between the first vertical support member and the second vertical support member of the first side frame, and wherein one of the first linkage member and the second linkage member is operatively coupled to a sliding member secured to the lateral member.
15. A support rack for holding a plurality of pans, the rack comprising:
a first side frame including
a first vertical support member and
a second vertical support member;
a second side frame including
a first vertical support member and
a second vertical support member; and
a hinge assembly coupling the first and second side frames, wherein the hinge is operable to position the rack in a first position in which the first side frame and the second side frame are parallel and spaced a predetermined distance apart, a second position in which the first side frame and the second side frame are nonparallel, and a third position in which the first side frame and the second side frame are parallel but closer in proximity than the predetermined distance.
16. The rack of claim 15, wherein the hinge assembly comprises a first hinge coupling the first side frame to the second side frame and a second hinge coupling the first side frame to the second side frame.
17. The rack of claim 16, wherein the second hinge is orthogonal to the first hinge.
18. The rack of claim 16, further including a lateral member extending between the first vertical support member and the second vertical support member of the first side frame, and wherein one of the first hinge and the second hinge is operatively coupled to a sliding member secured to the lateral member.
19. The rack of claim 16, wherein the first hinge comprises a first linkage member and a second linkage member pivotably coupled and the second hinge comprises a first linkage member and a second linkage member pivotably coupled.
20. A support rack comprising:
a first side frame including a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member;
a second side frame including a first vertical support member, a second vertical support member, and a support surface extending between the first vertical support member and the second vertical support member; and
a hinge assembly operable to position the first side frame from a first position relative to the second side frame wherein the distance between the first vertical support members of the first and second side frames is equal to the distance between the second vertical support members of the first and second side frames, to a second position relative to the second side frame wherein the first vertical support members of the first and second side frames are closer in proximity than the second vertical support members of the first and second side frames.
PCT/US2014/014628 2013-02-06 2014-02-04 Adjustable rack Ceased WO2014123875A1 (en)

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CN201480012912.9A CN105358404B (en) 2013-02-06 2014-02-04 adjustable shelves
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US13/761,052 US9079597B2 (en) 2013-02-06 2013-02-06 Adjustable rack
US13/761,052 2013-02-06

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Also Published As

Publication number Publication date
US20140217043A1 (en) 2014-08-07
US9079597B2 (en) 2015-07-14
EP2953835A4 (en) 2016-09-14
EP2953835A1 (en) 2015-12-16
CN105358404A (en) 2016-02-24
EP2953835B1 (en) 2017-07-19
CN105358404B (en) 2017-07-04
US9409586B2 (en) 2016-08-09
US20150265046A1 (en) 2015-09-24

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