EP3327211A2 - Ablaufreinigungswerkzeuge - Google Patents

Ablaufreinigungswerkzeuge Download PDF

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Publication number
EP3327211A2
EP3327211A2 EP17201903.6A EP17201903A EP3327211A2 EP 3327211 A2 EP3327211 A2 EP 3327211A2 EP 17201903 A EP17201903 A EP 17201903A EP 3327211 A2 EP3327211 A2 EP 3327211A2
Authority
EP
European Patent Office
Prior art keywords
cable guide
drum
tool
face
handle
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
EP17201903.6A
Other languages
English (en)
French (fr)
Other versions
EP3327211B1 (de
EP3327211A3 (de
Inventor
Richard R. Bowles
Brandon MOHERMAN
Prasad Chatursingh Patil
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.)
Ridge Tool Co
Original Assignee
Ridge Tool Co
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
Priority claimed from US15/442,764 external-priority patent/US10465372B2/en
Application filed by Ridge Tool Co filed Critical Ridge Tool Co
Publication of EP3327211A2 publication Critical patent/EP3327211A2/de
Publication of EP3327211A3 publication Critical patent/EP3327211A3/de
Application granted granted Critical
Publication of EP3327211B1 publication Critical patent/EP3327211B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E03F9/002—Cleaning sewer pipes by mechanical means
    • E03F9/005—Apparatus for simultaneously pushing and rotating a cleaning device carried by the leading end of a cable or an assembly of rods
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/30—Devices to facilitate removing of obstructions in waste-pipes or sinks
    • E03C1/302—Devices to facilitate removing of obstructions in waste-pipes or sinks using devices moved through the pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"

Definitions

  • the present subject matter relates to drain cleaning tools.
  • the present subject matter relates to low cost drain cleaning tools having a simplified assembly.
  • a wide variety of drain cleaning tools are known in the art.
  • One type of tool is a drum-type drain cleaning tool which uses a rotatable drum in which a drain cleaning cable or "snake" is stored. Upon rotation of the drum, the cable is dispensed from, or retracted into, the drum.
  • Such tools are known in manually driven forms or in powered versions.
  • Manually driven drum-type drain cleaning tools include a relatively large number of components which increase complexity and assembly costs.
  • many of the components are metal and thus lead to a potential for scratching or otherwise damaging furnishings such as bathroom fixtures during use of the drain cleaning tool.
  • many drain cleaning tools are satisfactory in various respects, a need remains for an improved tool which addresses the noted concerns.
  • the present subject matter provides a drain cleaning tool comprising a drum defining an interior hollow chamber for housing a drain cleaning cable.
  • the drum defines a forward face and an oppositely directed rearward face.
  • the drum includes a forwardly projecting hollow elongated cable guide.
  • the cable guide defines a distal end opposite the rearward face and includes at least one flexible retaining member disposed between the distal end and the forward face of the drum.
  • the drain cleaning tool also comprises a handle having an axially extending interior passageway sized to receive the cable guide.
  • the handle is disposed about the elongated cable guide and is rotatable with respect to the drum.
  • the handle defines an annular race within the interior passageway and the at least one flexible retaining member contacts the race, thereby rotatably retaining the handle about the cable guide of the drum.
  • the present subject matter provides a drain cleaning tool comprising a front drum defining a front face, a rearwardly extending cylindrical wall and a forwardly projecting hollow elongated cable guide.
  • the cable guide defines a distal end opposite the cylindrical wall and includes at least one flexible retaining member disposed between the distal end and the front face of the drum.
  • the distal end of the elongated cable guide includes (i) a plurality of axially extending flexible tabs integrally formed with the elongated cable guide and (ii) an outer threaded region.
  • the tool also comprises a rear drum sized and shaped to engage a rearward face of the cylindrical wall of the front drum, and thereby form a chamber for housing a drain cleaning cable.
  • the tool also comprises a nut defining (i) a rear face, (ii) a forwardly extending inner tapered face, and (iii) an inner threaded region configured to threadedly engage the outer threaded region of the cable guide.
  • the present subject matter provides a drain cleaning tool consisting essentially of a front drum including a front face, a rearwardly extending cylindrical wall, and a forwardly projecting hollow elongated cable guide.
  • the cable guide includes (i) a distal end opposite the cylindrical wall, (ii) an arcuate wall extending between the distal end and the front face of the front drum, (iii) at least one flexible retaining member formed within the arcuate wall of the cable guide, (iv) a plurality of axially extending flexible tabs integrally formed with the cable guide and disposed at the distal end of the cable guide, and (v) an outer threaded region disposed between the plurality of axially extending flexible tabs and the at least one flexible retaining member.
  • the tool also consists essentially of a rear drum including a rear face and a cylindrical wall.
  • the rear drum is engaged with a rearward face of the cylindrical wall of the front drum, thereby forming a chamber for housing a drain cleaning cable.
  • the tool also consists essentially of fastening provisions for securing engagement of the rear drum with the front drum.
  • the tool also consists essentially of a knob engaged along the rear face of the rear drum.
  • the tool also consists essentially of a handle having an axially extending interior passageway defining an annular race and rotatably disposed about the elongated cable guide of the front drum. The handle is disposed between the threaded region of the elongated cable guide and the front face of the front drum.
  • the at least one flexible retaining member contacts the race and thereby rotatably retains the handle disposed about the cable guide.
  • the tool also consists essentially of a flexible drain cleaning cable at least partially housed in the chamber formed from the front drum and the rear drum.
  • the tool further consists essentially of a nut defining (i) a rear face, (ii) a forwardly extending inner tapered face; and (iii) an inner threaded region configured to threadedly engage the outer threaded region of the cable guide. The nut is threadedly engaged with the threaded region of the cable guide.
  • At least a portion of the drain cleaning cable extends through the elongated cable guide and the nut, and upon rotation of the nut relative to the cable guide, the nut is linearly displaced against the plurality of axially extending tabs of the cable guide thereby resulting in deflection of the tabs against the drain cleaning cable to thereby secure the cable at a desired axial position relative to the cable guide.
  • the present subject matter provides drain cleaning tools which are formed from a remarkably few number of components thereby reducing cost, complexity, and assembly demands.
  • the drain cleaning tools also utilize a relatively high proportion of non-metallic components, thereby further reducing costs and avoiding the potential for scratching or otherwise damaging furnishings during use of the tool.
  • the tools utilize a unique locking assembly for securing the drain cleaning cable in a desired position.
  • the tools use a particular retaining assembly for rotatably securing a handle to the tool. Additional features and aspects are described herein.
  • Figures 1 and 2 are exploded assembly views of two popular manually driven, drum-type drain cleaning tools known in the prior art.
  • Figure 1 illustrates a drain cleaning tool commercially 10 available from Ridge Tool Co. under the designation RIDGID Model K-25.
  • Figure 2 illustrates another tool 20 also commercially available from Ridge Tool Co. under the designation RIDGID Model K-26. Excluding the drain cleaning cable, the K-25 is assembled from ten (10) different components and the K-26 is assembled from a total of twelve (12) major components. Many of these components are metal such as the chucks 2 and 22 shown in the referenced figures which consist of 3 to 10 additional components in the subassemblies.
  • FIGS. 3-12 illustrate an embodiment of a drain cleaning tool 100 in accordance with the present subject matter.
  • the drain cleaning tool 100 comprises a drum 110, 140 defining an interior hollow chamber 148 for housing a drain cleaning cable 170.
  • the drum defines a forward or front face 114 and an oppositely directed rearward face 144.
  • the drum includes a forwardly projecting hollow elongated cable guide 120.
  • the cable guide 120 is integrally formed with the drum 110 and more particularly with the front face 114 of the drum.
  • the cable guide 120 defines a distal end 122 opposite the rearward face 144 of the drum and includes at least one flexible retaining member 126 disposed between the distal end 122 and the forward face 114 of the drum.
  • the tool 100 also comprises a handle 160 having an axially extending interior passageway 162 sized to receive the cable guide 120.
  • the handle 160 is disposed about the elongated cable guide 120 and is rotatable with respect to the drum 110, 140 and the cable guide 120.
  • the handle 160 defines an annular race 164 within the interior passageway 162 and the at least one flexible retaining member 126 contacts the race 164, thereby rotatably retaining the handle 160 about the cable guide 120 of the drum axis. It will be appreciated that a variety of handle shapes and configurations can be used in the present subject matter drain cleaning tools.
  • a handle having a pistol grip member can be used for the handle 160, in which the pistol grip handle includes the aspects of handle 160 in addition to an outwardly extending pistol grip member.
  • a nonlimiting example of a pistol grip member is shown in US 6,158,076 as item 40.
  • the retaining member 126 is formed within an arcuate wall 124 of the elongated cable guide 120 and includes a radially extending, outwardly projecting finger 132 defining an inclined forwardly directed face 134 and a rearwardly directed bearing face 136 that contacts the annular race 164 of the handle 160.
  • the cable guide 120 includes two flexible retaining members 126, each member 126 formed within the arcuate wall 124 of the elongated cable guide 120 and disposed 180° apart from each other.
  • the present subject matter includes the use of a fewer number or greater number of retaining member(s) 126.
  • the members are typically located equidistant from one another and are disposed about the outer periphery or circumference of the cable guide 120.
  • the distal end 122 of the elongated cable guide 120 includes (i) a plurality of axially extending flexible tabs 128 integrally formed with the elongated cable guide 120 and (ii) an outer threaded region 130.
  • the tool 100 also comprises a nut 180 defining (i) a rear face 182, (ii) a forwardly extending inner tapered face 184, and (iii) an inner threaded region 186 configured to threadedly engage the outer threaded region 130 of the cable guide 120.
  • the nut 180 is threadedly engaged with the threaded region 130 of the cable guide 120.
  • the nut 180 is free of metal.
  • the nut 180 includes one or more polymeric material(s).
  • the tool 100 also comprises a knob 154 engaged along a rearward face 144 of the drum 100, 140.
  • the tool 100 additionally comprises a flexible drain cleaning cable 170 at least partially housed in the hollow chamber 148 of the drum 110, 140.
  • the tool 100 consists essentially of a front drum 110 including a front face 114, a rearwardly extending cylindrical wall 112, and a forwardly projecting hollow elongated cable guide 120.
  • the cable guide includes (i) a distal end 122 opposite the cylindrical wall 112, (ii) an arcuate wall 124 extending between the distal end 122 and the front face 114 of the front drum 110, (iii) at least one flexible retaining member 126 formed within the arcuate wall 124 of the cable guide 120, (iv) a plurality of axially extending flexible tabs 128 integrally formed with the cable guide 120 and disposed at the distal end 122, and (v) an outer threaded region 130 disposed between the plurality of axially extending flexible tabs 128 and the at least one flexible retaining member 126.
  • the tool 100 also consists essentially of a rear drum 140 including a rear face 144 and a cylindrical wall 142.
  • the rear drum 140 is engaged with a rearward face of the cylindrical wall 112 of the front drum 110, thereby forming a chamber 148 for housing a drain cleaning cable.
  • the tool 100 also consists essentially of a plurality of fasteners 150 for securing engagement of the rear drum 140 with the front drum 110. It will be understood that a variety of provisions can be used instead of, or in combination with, the fastener(s) 150 for securing engagement of the rear drum 140 with the front drum 110. For example, one or more flexible snaps could be provided on either or both drum portions which engage receiving portions on the other drum portion to secure the portions together. Similar fastening provisions can be used to retain the handle or knob with the drum or drum portions.
  • the tool 100 also consists essentially of a knob 154 engaged along the rear face 144 of the rear drum 140.
  • the tool 100 also consists essentially of a handle 160 having an axially extending interior passageway 162 defining an annular race 164 and rotatably disposed about the elongated cable guide 120 of the front drum 110.
  • the handle 160 is disposed between the threaded region 130 of the elongated cable guide 120 and the front wall 114 of the front drum 110.
  • the at least one flexible retaining member 126 contacts the race 164 and thereby rotatably retains the handle 160 disposed about the cable guide 120.
  • other handle shapes and configurations can be used for the handle 160 including for example a pistol grip handle.
  • the tool 100 also consists essentially of a flexible drain cleaning cable 170 at least partially housed in the chamber 148 formed from the front drum 110 and the rear drum 140.
  • the tool 100 also consists essentially of a nut 180 defining (i) a rear face 182, (ii) a forwardly extending inner tapered face 184, and (iii) an inner threaded region 186 configured to threadedly engage the outer threaded region 130 of the cable guide 120.
  • the nut 180 is threadedly engaged with the threaded region 130 of the cable guide 120.
  • the drain cleaning cable 170 extends through the elongated cable guide 120 and the nut 180, and upon rotation of the nut 180 relative to the cable guide 120, the nut 180 is linearly displaced against the plurality of axially extending tabs 128 of the cable guide 120 thereby resulting in deflection of the tabs 128 against the drain cleaning cable 170 to thereby secure the cable 170 at a desired axial position relative to the cable guide 120.
  • the inner tapered face 184 of the nut 180 contacts the plurality of axially extending flexible tabs 128 of the cable guide 120.
  • drain cleaning cables or snakes as known in the art, can potentially be used in association with the present subject matter.
  • drain cleaning cables as described in any of the following patent documents assigned to the present Assignee could be used: US 9,080,599 ; 6,615,436 ; 4,218,802 ; 6,412,136 ; 6,009,588 ; 6,243,905 ; 7,367,077 ; and 8,413,347 .
  • the present subject matter includes drain cleaning tools like those described herein, but without the handle 160.
  • an operator would lightly grasp the outer surface of the cable guide member 120 and allow that member to rotate in the operator's hand while dispensing cable or retracting cable.
  • the present subject matter also includes drain cleaning tools like those described herein, but without a rotatable knob 154. Instead, a projection, an outwardly extending member, and/or a recess could be formed into or along the drum such as the rear drum 140 which an operator would grip during rotation of the drum.
  • the present subject matter includes a range of alternate versions and varying embodiments.
  • the present subject matter includes drain cleaning tools without the previously noted handle 160 and without the previously noted knob 154. In such a version, an operator would lightly grasp the outer surface of the cable guide member and allow that member to rotate in the operator's hand while the operator also rotated the drum by engaging an integrally formed member associated with the drum, thereby causing cable to be dispensed or rotated.
  • components of the tool 100 are formed from polymeric materials which are durable and provide strength and rigidity as well as resistance to rusting.
  • the components can be molded using known techniques such as injection molding.
  • the present subject matter includes all operable combinations of features and aspects described herein. Thus, for example if one feature is described in association with an embodiment and another feature is described in association with another embodiment, it will be understood that the present subject matter includes embodiments having a combination of these features.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
EP17201903.6A 2016-11-24 2017-11-15 Ablaufreinigungswerkzeuge Active EP3327211B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201621040159 2016-11-24
US15/442,764 US10465372B2 (en) 2016-11-24 2017-02-27 Drain cleaning tools

Publications (3)

Publication Number Publication Date
EP3327211A2 true EP3327211A2 (de) 2018-05-30
EP3327211A3 EP3327211A3 (de) 2018-10-17
EP3327211B1 EP3327211B1 (de) 2019-10-30

Family

ID=60382080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17201903.6A Active EP3327211B1 (de) 2016-11-24 2017-11-15 Ablaufreinigungswerkzeuge

Country Status (1)

Country Link
EP (1) EP3327211B1 (de)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218802A (en) 1979-03-14 1980-08-26 Emerson Electric Co. Drain cleaning apparatus
US6009588A (en) 1998-07-16 2000-01-04 Emerson Electric Co. Drain cleaning apparatus
US6158076A (en) 1999-02-22 2000-12-12 Emerson Electric Co. Feed control devices for hand operated drain cleaning tools
US6615436B1 (en) 2000-09-11 2003-09-09 Emerson Electric Co. Powered drain cleaner
US7367077B2 (en) 2004-03-04 2008-05-06 Emerson Electric Co. Drain cleaning apparatus
US8413347B2 (en) 2008-05-22 2013-04-09 Emerson Electric Co. Drain cleaning apparatus with electronic cable monitoring system
US9080599B2 (en) 2013-10-11 2015-07-14 Ridge Tool Company Cable coupling

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763374A (en) * 1987-12-07 1988-08-16 Lewisan Products, Inc. Powered drain cleaner
US6102411A (en) * 1998-08-14 2000-08-15 Power Tool Holders, Inc. Chuck with locking sleeve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218802A (en) 1979-03-14 1980-08-26 Emerson Electric Co. Drain cleaning apparatus
US6009588A (en) 1998-07-16 2000-01-04 Emerson Electric Co. Drain cleaning apparatus
US6243905B1 (en) 1998-07-16 2001-06-12 Emerson Electric Co. Drain cleaning apparatus
US6412136B1 (en) 1998-07-16 2002-07-02 Emerson Electric Co. Drain cleaning apparatus
US6158076A (en) 1999-02-22 2000-12-12 Emerson Electric Co. Feed control devices for hand operated drain cleaning tools
US6615436B1 (en) 2000-09-11 2003-09-09 Emerson Electric Co. Powered drain cleaner
US7367077B2 (en) 2004-03-04 2008-05-06 Emerson Electric Co. Drain cleaning apparatus
US8413347B2 (en) 2008-05-22 2013-04-09 Emerson Electric Co. Drain cleaning apparatus with electronic cable monitoring system
US9080599B2 (en) 2013-10-11 2015-07-14 Ridge Tool Company Cable coupling

Also Published As

Publication number Publication date
EP3327211B1 (de) 2019-10-30
EP3327211A3 (de) 2018-10-17

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