EP0777986A2 - Chariot de distribution de repas - Google Patents

Chariot de distribution de repas Download PDF

Info

Publication number
EP0777986A2
EP0777986A2 EP96119035A EP96119035A EP0777986A2 EP 0777986 A2 EP0777986 A2 EP 0777986A2 EP 96119035 A EP96119035 A EP 96119035A EP 96119035 A EP96119035 A EP 96119035A EP 0777986 A2 EP0777986 A2 EP 0777986A2
Authority
EP
European Patent Office
Prior art keywords
locking
guide rail
transport trolley
food transport
cover
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.)
Granted
Application number
EP96119035A
Other languages
German (de)
English (en)
Other versions
EP0777986B1 (fr
EP0777986A3 (fr
Inventor
Reinhold Blaha
Jan Van Koolwijk
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.)
Blanco GmbH and Co KG
Original Assignee
Blanco GmbH and Co KG
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 Blanco GmbH and Co KG filed Critical Blanco GmbH and Co KG
Publication of EP0777986A2 publication Critical patent/EP0777986A2/fr
Publication of EP0777986A3 publication Critical patent/EP0777986A3/fr
Application granted granted Critical
Publication of EP0777986B1 publication Critical patent/EP0777986B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • 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
    • A47B31/00—Service or tea tables, trolleys, or wagons
    • A47B2031/008—Outdoor serving carts

Definitions

  • the invention relates to a food transport trolley with an approximately cuboid, at least partially open at the top car body for receiving at least one food receptacle accessible from above, two opposite first body sides provided and parallel to these sides and horizontally extending handle bars for pushing or pulling the trolley, two on the top of the car body arranged lids, each of which can be moved in the horizontal direction transversely to the adjacent handle bar from a closed position to an open position, the car body being covered at the top in the closed position and the food receptacle being accessible from above in the open position of the two lids, in each case two guide rail devices extending in the sliding direction of the cover for each cover, each of which has a first guide rail which is fixed relative to the car body and one in the longitudinal direction of the latter and Sliding direction of the cover slidably guided, coupled to the associated cover second guide rail, the two second guide rails are firmly connected to the adjacent handle bar in the cover sliding direction, and with at least one releasable locking device for each lid for locking the latter at
  • Food trolleys of this type are known; the food receptacles of these food transport trolleys are usually so-called gastronorm containers, ie trough-shaped containers, of which several are next to one another inserted into the top of the car body and made accessible by pulling the two lids, each of which covers half of the top of the car body, outwards in the horizontal direction.
  • gastronorm containers ie trough-shaped containers
  • Most of the car body has an outside made of stainless steel sheet and is designed so that food transported in it can be kept warm, possibly heated by means of a built-in heating device or kept cool due to appropriate insulation measures.
  • Four rollers are usually arranged on the underside of the car body, which can pivot about vertical pivot axes, so that the food transport car can also be steered with the aid of one of the handle bars.
  • each of the two lids is held on the body of the trolley so that it can be moved horizontally by means of two telescopic guides, each telescopic guide either consisting of two tubes running into one another as guide rails or having two guide rails which are guided against one another by means of rolling elements.
  • the two extendable, ie non-body-fixed guide rails assigned to a cover are connected on the one hand to the cover in question and, on the other hand, are firmly connected to one another via a handle bar, so that this cover can be opened or closed by pulling or pressing on the handle bar to open or close the car body can be postponed.
  • a releasable locking device is provided for each guide rail device, which is held in its latching or locking position by a spring and by one the person operating the car can be unlocked and released in this way, that this actuates a release handle by hand and then pulls on the handle in question.
  • the object of the invention was to simplify trolleys of the type mentioned at the outset, but in such a way that, in principle, this also opens up a way for easier actuation of the locking devices.
  • At least one of the two guide rail devices is assigned an approximately horizontally extending locking arm which can pivot about an axis which runs horizontally and transversely to the cover sliding direction, and in that a first locking element which is fixed to the body of the car is arranged to cooperate with one arranged on the locking arm second locking element is provided, such that the locking device formed by the two locking elements can be released by pivoting the locking arm upwards.
  • a push button can be provided, which is located on the adjacent locking arm carriage side; If both guide rail devices assigned to a cover are provided with an actuating element for lifting a locking arm, the two actuating elements will expediently be arranged adjacent to the side of the carriage in the vicinity of which the handle bar assigned to this cover is located, and it would also be possible for the two actuating elements to be arranged by a rod, To connect the rail or the like to one another, so that both locking devices can be released by lifting the latter.
  • each handle bar is rotatably attached to the adjacent second guide rails and for pivoting the locking arm adjacent to this handle bar or the locking arms adjacent to the handle bar the handlebar is coupled in the direction of rotation.
  • this construction enables one-handed operation, since with one of the handle bars the trolley can not only be pushed and pulled, but can be unlocked by turning the latter and then pulled on the handle bar can be moved to its open position. If the lid is pushed back into its closed position, the locking arm or the locking arms fall back into their effective position under their own weight.
  • a food transport trolley according to the invention could easily be designed in such a way that the two lids are coupled together by suitable means so that when one lid is moved the other moves synchronously, but in the opposite direction, and consequently, a single locking device is sufficient, which can be operated with one or each of the two handle bars.
  • the construction according to the invention has the advantage that a locking arm, as will be shown in detail below, can be easily integrated into a guide rail device, so that the locking device is also attached to the food transport trolley when the latter is assembled.
  • the two lids in their closed position cover the top of the car body, this is not to be understood exclusively as meaning that the two lids cover the entire top of the car body.
  • the second guide rail can be firmly connected to the associated cover, but that the construction can, for example, also be designed such that the second guide rail is connected to a support frame or the like on which the cover is placed, so that it can be easily lifted off and completely removed.
  • the locking arm provided according to the invention can also be accommodated in such a way that it is not visible from the outside: for this purpose, the locking arm is at least essentially in a longitudinal channel of the associated guide rail device which allows the necessary pivoting angle of the locking arm arranged, which has the further advantage that the locking arm together with the locking elements is protected.
  • At least the wall surfaces of the one guide rail facing the other guide rail be provided with a sliding layer, for which tetrafluoroethylene or a similar plastic is particularly suitable as a material.
  • a locking arm can lock the associated lid not only in its closed position but also in its open position, in order to make it possible for the trolley to be pushed with a handle bar without first having to do so open lid is pushed into its closed position.
  • two first locking elements are consequently provided, one of which is assigned to the closed position and the other to the open position of the associated cover.
  • Locking devices designed according to the invention can easily be designed in such a way that a considerable additional advantage is achieved at no cost: If the first and second locking elements are designed in such a way that forces acting on them in the longitudinal direction of the first guide rails can cause self-locking of the locking elements to one another the locking of the associated lid or the associated handle bar in it or their current position when pushing, pulling and steering the car cannot be unlocked accidentally.
  • the invention also allows the carriage to be designed in such a way that the covers can be easily removed for cleaning: for this purpose, the construction is expediently designed in such a way that the covers are arranged on the second guide rails assigned to them or on support frames , each of which firmly connects the two second guide rails assigned to the cover in question.
  • the food transport trolley shown in Fig. 1 has an approximately cuboid car body 10 with two opposing first body side walls 12 and two mutually perpendicular and equally opposite second body side walls 14. At the bottom of the car body 10 are four wheels, not shown, which can pivot about vertical axes , so that the car can be steered, and around the lower regions of the body side walls 12, 14 around a frame-forming elastic bumper strip 16, through which to prevent walls, doors, furniture and the like from being damaged when the food transport car is in motion.
  • the top of the car body 10 is covered by two covers 18 and 20, which form so-called sliding covers, both of the same size and which can be pushed apart from the closed position shown in FIG. 1 in the direction of arrows F into an open position.
  • So-called gastronorm containers in which dishes to be served can be accommodated, are located in a known manner under the lids 18 and 20; by moving one of the two lids or both lids into the open position, some of these gastronorm containers or all gastronorm containers are made accessible from above.
  • two guide rail devices 22 and 24 are provided on the car body 10, which extend horizontally, parallel to one another and parallel to the second body side walls 14. Furthermore, a horizontal and parallel to the first body side walls 12 handle bar 26 is provided, which also extends in the closed position of the two covers 18 and 20 at a distance from the adjacent body side wall 12 and results in a U-shaped structure with the two adjacent guide rail devices 22 and 24 .
  • shock protection caps 28 which consist of a soft plastic and can be snapped on, can be attached to these ends and in FIG. 1 were only indicated by dash-dotted lines.
  • the guide rail device 24 is designed and arranged mirror-symmetrically for this purpose, with respect to a vertical longitudinal center plane of the food transport trolley, which runs at right angles to the above-mentioned center plane.
  • the guide rail device 24 comprises a first guide rail 30, which is to be fastened to the car body 10, and a second, to the guide rail 30 in the longitudinal direction thereof Slidably guided guide rail 32.
  • the guide rail 30 is a hollow profile rail with a rectangular cross-section, formed by an inner wall 30a in the assembled state, an outer wall 30b, a lower wall 30c and an upper wall 30d, whereas the second guide rail 32 is essentially of a C.
  • Profile rail is formed, which is followed by an upward-pointing support flange 32a, which, however, does not extend over the entire length of the guide rail 32 and whose purpose will be explained later.
  • the inside of the outer wall 32b in use, the lower wall 32c and the upper wall 32d of the C-profile of the guide rail 32 are provided with a plastic sliding layer 32e in order to reduce the sliding friction between the guide rails 30 and 32.
  • the fastening of the guide rail 30 to the car body 10 serves fastening screws 34, of which only one is shown in FIG. 3.
  • the guide rail device 24 receives a locking arm 36, the left end of which is firmly connected to the handle bar 26 according to FIG. 2 and can be pivoted by a small angle about its longitudinal axis by rotating the handle bar; In order to enable this pivoting movement, the profile widths of the guide rails 30 and 32 must of course be selected accordingly, since when the cover 18 occupies its closed position, the locking arm 36 lies not only in the guide rail 32 but also within the guide rail 30.
  • the handle bar 26 comprises an outer circular cylindrical tube 26a and a square rod 26b which extends through the tube 26a, protrudes with both ends over the tube and on the inside of the tube z. B. fixed by welding the pipe is connected.
  • the diagonal of the cross section of the square bar 26b is clearly smaller than the inside diameter of the tube 26a and the square bar 26b is fastened eccentrically in the tube 26a, as can be seen particularly clearly in FIG. 5.
  • the left end region of the square bar 26b fits into a square opening 36a in the wall of the locking arm 36 facing the handle bar 26, and with the tube 26a, the handle bar 26 is rotatably mounted in a circular opening 32f of the guide rail 32, so that the locking arm 36 can be pivoted counter to the effect of gravity by a small angle by turning the handle bar 26 as shown in FIG. 5 clockwise.
  • the opening 32f is arranged in a profile piece 32g with a C-shaped cross section, which has been butt welded to the walls 32c and 32d of the guide rail 32.
  • the end region of the locking arm 36 which faces the handle bar 26 thus engages in the cavity which is formed by the profile piece 32g together with the walls 32b, 32c and 32d of the guide rail 32.
  • a tubular frame 50 welded to the two support flanges is arranged, on which the cover 18 is placed from above and which results that the guide rails 32 of the two guide rail devices move synchronously.
  • the cover 18 is shaped (as is the cover 20) in such a way that it cannot slip relative to the tubular frame 50 (see FIGS. 4 to 6).
  • the first, body-fixed guide rail 30 has at its handlebar end in its inner wall 30a an open-edge recess 52 in the form of a lying U, into which the handle bar 26 engages when the cover 18 assumes its closed position.
  • a locking pin 56 projecting downward is fastened on the underside of the locking arm 36, specifically at its end region facing away from the handle bar 26, a locking pin 56 projecting downward is fastened.
  • the cover 18 When the cover 18 is in its closed position, it engages in a hole 58 in the lower wall 30c of the guide rail 30, the locking arm 36 resting on this wall 30c under its own weight.
  • At least one further hole (not shown) corresponding to the hole 58 can be provided in the wall 30c, into which the pin 56 engages when the cover 18 has been pulled into its open position.
  • a plastic end cap 70 is shown, which can be inserted with a press fit into the left opening of FIG. 2 of the guide rail 32 - this opening is formed by the actual guide rail 32 together with the profile piece 32g attached to it.
  • the unit consisting of the cover 18, the tubular frame 50, the two guide rails 32, the two locking arms 36 and the handle bar 26 can be completely removed from the food transport trolley according to FIG. 1 to the left after 1 by rotating the handlebar 26 according to FIG. 1 counterclockwise (according to FIG. 5 clockwise), the locking arm 36 has been pivoted so far that its locking pin 56 is released from the stop assigned to the open position of the cover 18, not shown and fixed with respect to the car body 10 becomes.
  • the locking arm 36 must also be pivoted up a little by turning the handle bar 26 if the cover 18 is to be pushed out of its open position into its closed position.
  • the need to have to twist the handle bar 26 during this process could of course be eliminated by omitting the second hole 58 (not shown) associated with the open position of the lid 18, so that the locking pin 56 simply slides on the lower one when the lid 18 is pushed shut Wall 30c of the guide rail 30 slides until it falls into the hole 58 under the weight of the locking arm 36.
  • the handle bar 26 only has to be actuated, i.e. H. 1 if the cover 18 is to be pulled out of its closed position to the left, namely to lift the locking pin 56 out of the hole 58 shown in FIG. 3.

Landscapes

  • Handcart (AREA)
EP96119035A 1995-12-07 1996-11-28 Chariot de distribution de repas Expired - Lifetime EP0777986B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19545673A DE19545673C1 (de) 1995-12-07 1995-12-07 Speisentransportwagen
DE19545673 1995-12-07

Publications (3)

Publication Number Publication Date
EP0777986A2 true EP0777986A2 (fr) 1997-06-11
EP0777986A3 EP0777986A3 (fr) 1999-01-27
EP0777986B1 EP0777986B1 (fr) 2001-10-10

Family

ID=7779453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96119035A Expired - Lifetime EP0777986B1 (fr) 1995-12-07 1996-11-28 Chariot de distribution de repas

Country Status (3)

Country Link
EP (1) EP0777986B1 (fr)
AT (1) ATE206592T1 (fr)
DE (2) DE19545673C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428169A (zh) * 2016-11-30 2017-02-22 中国民用航空总局第二研究所 一种新型航空餐车把手

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9100235U1 (de) * 1991-01-10 1991-03-28 Blanco GmbH & Co KG, 7519 Oberderdingen Speisen-Ausgabewagen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428169A (zh) * 2016-11-30 2017-02-22 中国民用航空总局第二研究所 一种新型航空餐车把手

Also Published As

Publication number Publication date
DE19545673C1 (de) 1997-05-28
EP0777986B1 (fr) 2001-10-10
EP0777986A3 (fr) 1999-01-27
ATE206592T1 (de) 2001-10-15
DE59607874D1 (de) 2001-11-15

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