FR2452394A1 - HITCHING DEVICE FOR TRAILERS - Google Patents

HITCHING DEVICE FOR TRAILERS

Info

Publication number
FR2452394A1
FR2452394A1 FR7919377A FR7919377A FR2452394A1 FR 2452394 A1 FR2452394 A1 FR 2452394A1 FR 7919377 A FR7919377 A FR 7919377A FR 7919377 A FR7919377 A FR 7919377A FR 2452394 A1 FR2452394 A1 FR 2452394A1
Authority
FR
France
Prior art keywords
play
drawbar
hollow
compensation spring
coupling head
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
FR7919377A
Other languages
French (fr)
Other versions
FR2452394B1 (en
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.)
Rockinger Spezialfabrik fuer Anhangerkupplungen GmbH and Co
Original Assignee
Rockinger Spezialfabrik fuer Anhangerkupplungen GmbH and 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
Application filed by Rockinger Spezialfabrik fuer Anhangerkupplungen GmbH and Co filed Critical Rockinger Spezialfabrik fuer Anhangerkupplungen GmbH and Co
Publication of FR2452394A1 publication Critical patent/FR2452394A1/en
Application granted granted Critical
Publication of FR2452394B1 publication Critical patent/FR2452394B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/02—Bolt or shackle-type couplings
    • B60D1/025—Bolt or shackle-type couplings comprising release or locking lever pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/02—Bolt or shackle-type couplings

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Agricultural Machines (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The trailer hitch comprises a coupling head (10) with a hollow drawbar (32), an attachment flange (34) which is clamped in between a shoulder (36) of the coupling head (10) and a tensioning nut (38) on the drawbar (32), a slide rod (26) which is guided in the hollow drawbar (32) and has a coupling head-side contact body (24) which rests, in a play-compensating fashion, on a coupling ring (14) which is connected into the coupling head (10), a play-compensation spring (66) which prestresses the slide rod (26) in the direction of the coupling ring (14), and a hydraulic support device (48) for supporting the drawbar (32) against pressure exerted on the contact body (24), with a support piston (56) which acts on the one hand on the slide rod (26) and is acted on on the other hand by the play-compensation spring (66). In order to use a longer play-compensation spring (66), the support piston (56) has a hollow piston extension (58) which projects into the hollow drawbar (32) as far as the region of the tensioning nut (38), the said hollow piston extension (58) receiving at least part of the play-compensation spring (66).
FR7919377A 1979-03-28 1979-07-23 HITCHING DEVICE FOR TRAILERS Granted FR2452394A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792912277 DE2912277A1 (en) 1979-03-28 1979-03-28 TRAILER HITCH

Publications (2)

Publication Number Publication Date
FR2452394A1 true FR2452394A1 (en) 1980-10-24
FR2452394B1 FR2452394B1 (en) 1983-09-16

Family

ID=6066699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919377A Granted FR2452394A1 (en) 1979-03-28 1979-07-23 HITCHING DEVICE FOR TRAILERS

Country Status (4)

Country Link
CH (1) CH640184A5 (en)
DE (1) DE2912277A1 (en)
FR (1) FR2452394A1 (en)
SE (1) SE438636B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213284A3 (en) * 1985-08-27 1988-10-19 Rockinger Spezialfabrik Fur Anhangerkupplungen Gmbh & Co. Mounting of the coupling element of a trailer draw-gear in the cross-member
EP0334021A2 (en) * 1988-03-21 1989-09-27 ROCKINGER Spezialfabrik für Anhängerkupplungen GmbH & Co. Device for taking up play between the coupling parts of a trailer hitch
EP0650857A1 (en) * 1993-10-29 1995-05-03 C.B.M. S.p.A. A tow hitch for vehicles, particularly agricultural tractors and the like
FR2740734A1 (en) * 1995-11-08 1997-05-09 Pommier & Cie Hitch for attaching tractor vehicle to trailer
EP0806308A1 (en) * 1996-05-10 1997-11-12 Guy Racchini Hitch lock and automatic opening device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738351A1 (en) * 1987-11-11 1989-05-24 Rockinger Spezial Fab Joh TRAILER HITCH
DE3804454A1 (en) * 1988-02-12 1989-08-24 Rockinger Spezial Fab Joh DEVICE FOR SWITCHING ON AND OFF THE GAME BETWEEN THE COUPLING PARTS OF A TRAILER COUPLING TO BE CONNECTED
DE3824225C2 (en) * 1988-07-16 1997-08-21 Ebern Fahrzeugtech Gmbh Game compensation device for a commercial vehicle trailer hitch
DE3917918A1 (en) * 1989-06-01 1990-12-06 Rockinger Spezial Fab Joh TRAILER COUPLING KEYWORD: GAME DISCONNECT CONTROL BY PUSH LEVER
DE10115451B4 (en) * 2001-03-29 2010-04-15 Rockinger Spezialfabrik für Anhängerkupplungen GmbH & Co trailer hitch
DE102006060788B4 (en) 2006-12-21 2019-01-31 Jost-Werke Gmbh Play-free device for a trailer hitch
DE102020121793A1 (en) 2020-08-19 2022-02-24 Rühlicke GmbH trailer hitch for vehicles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1116542A (en) * 1954-12-14 1956-05-08 Vehicle coupling
DE2458948A1 (en) * 1974-12-12 1976-06-16 Rockinger Spezial Fab Joh Anti-vibration lock for coupling jaw - with elastic pressure pad screwed into position by cams
DE2502944A1 (en) * 1974-12-12 1976-07-29 Rockinger Spezial Fab Joh Towing connection system for vehicle trailers - has compensating mechanism to take up play between towing hook and eye
DE2529303A1 (en) * 1975-01-24 1977-01-13 Rockinger Spezial Fab Joh Automatic coupling jaw for tractor - has hydraulic clamping element and pneumatic lift off ram operating against spring pressure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1116542A (en) * 1954-12-14 1956-05-08 Vehicle coupling
DE2458948A1 (en) * 1974-12-12 1976-06-16 Rockinger Spezial Fab Joh Anti-vibration lock for coupling jaw - with elastic pressure pad screwed into position by cams
DE2502944A1 (en) * 1974-12-12 1976-07-29 Rockinger Spezial Fab Joh Towing connection system for vehicle trailers - has compensating mechanism to take up play between towing hook and eye
DE2529303A1 (en) * 1975-01-24 1977-01-13 Rockinger Spezial Fab Joh Automatic coupling jaw for tractor - has hydraulic clamping element and pneumatic lift off ram operating against spring pressure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213284A3 (en) * 1985-08-27 1988-10-19 Rockinger Spezialfabrik Fur Anhangerkupplungen Gmbh & Co. Mounting of the coupling element of a trailer draw-gear in the cross-member
EP0334021A2 (en) * 1988-03-21 1989-09-27 ROCKINGER Spezialfabrik für Anhängerkupplungen GmbH & Co. Device for taking up play between the coupling parts of a trailer hitch
EP0334021A3 (en) * 1988-03-21 1990-07-18 Rockinger Spezialfabrik Fur Anhangerkupplungen Gmbh & Co. Device for taking up play between the coupling parts of a trailer hitch
EP0650857A1 (en) * 1993-10-29 1995-05-03 C.B.M. S.p.A. A tow hitch for vehicles, particularly agricultural tractors and the like
FR2740734A1 (en) * 1995-11-08 1997-05-09 Pommier & Cie Hitch for attaching tractor vehicle to trailer
EP0806308A1 (en) * 1996-05-10 1997-11-12 Guy Racchini Hitch lock and automatic opening device
FR2748514A1 (en) * 1996-05-10 1997-11-14 Racchini Guy HITCH LATCH WITH AUTOMATIC MANEUVER DEVICE AT OPENING

Also Published As

Publication number Publication date
DE2912277A1 (en) 1980-10-09
DE2912277C2 (en) 1987-11-05
CH640184A5 (en) 1983-12-30
SE7905731L (en) 1980-09-29
SE438636B (en) 1985-04-29
FR2452394B1 (en) 1983-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse