EP0226695A1 - Cric pour véhicules à moteur - Google Patents

Cric pour véhicules à moteur Download PDF

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Publication number
EP0226695A1
EP0226695A1 EP86106884A EP86106884A EP0226695A1 EP 0226695 A1 EP0226695 A1 EP 0226695A1 EP 86106884 A EP86106884 A EP 86106884A EP 86106884 A EP86106884 A EP 86106884A EP 0226695 A1 EP0226695 A1 EP 0226695A1
Authority
EP
European Patent Office
Prior art keywords
jack
side walls
base part
nut piece
arm
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
EP86106884A
Other languages
German (de)
English (en)
Other versions
EP0226695B1 (fr
Inventor
Manfred Niendorf
Rainer Stechemesser
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.)
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor 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 Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Publication of EP0226695A1 publication Critical patent/EP0226695A1/fr
Application granted granted Critical
Publication of EP0226695B1 publication Critical patent/EP0226695B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers

Definitions

  • the invention relates to a jack for motor vehicles of the type explained in the preamble of claim 1.
  • the known jack has the disadvantage that it has to be pushed completely under the motor vehicle so that the lifting curve of the load head can follow the tilting movement of the motor vehicle, which makes the threaded spindle, which is located directly on the ground, difficult to access.
  • a modified embodiment of a jack for motor vehicles according to the preamble of claim 1 is known, in which the articulated arrangement of the jack is designed so that it can be attached laterally outside the motor vehicle. Operation is facilitated by a slightly higher position of the actuating end of the threaded spindle.
  • the base part is articulated to a foot part, in which the support arm can be supported in two different positions, and this foot part enables the load head to have a lifting curve, which can roughly follow the tilting of the motor vehicle by pulling up the base part relative to the foot part.
  • the object of the invention is to improve a jack for motor vehicles of the type explained in the preamble of claim 1 in such a way that easier handling of the jack is achieved with improved functionality.
  • a jack for motor vehicles according to the preamble of claim 1 has the features shown in the characterizing part of claim 1.
  • the base part has a U-shaped cross-section and has in the vertical side walls, slightly S-shaped link slots, in which the bolts of the nut piece are guided, a lifting curve of the load head is achieved which, when the base part rests, the tilting movement of the motor vehicle that occurs corresponds and thus ensures high stability and functional reliability.
  • the car jack shown in FIGS. 1 to 3 essentially consists of a base part 1 with a deep U-shaped cross section, which has vertical side walls 2 and 3 with adjoining outwardly angled reinforcing flanges 4 and 5.
  • a threaded spindle 7 is arranged, the load-side end of which is supported by a spindle bearing 8 in a bearing block 9 and the actuation-side end of which is supported by a nut piece 10 and bolts 11 extending perpendicular thereto in lying, slightly S-shaped link slots 12 is.
  • the free end of the threaded spindle 7 has an actuating ring 13.
  • a cantilevered load arm 14 is supported with its fork-shaped end 15 on the bolt 11 on the nut piece 10 and carries at its free end a load head 16 which is adapted to the receptacle on the motor vehicle.
  • a support arm 17 hinges on a pin 18. The other end of the support arm 17 is supported by a bolt 19 in the vertical side walls 2 and 3 of the base part 1.
  • the load arm 14 and the support arm 17 are, as can best be seen from FIGS. 4a to 4d, designed as rigid, U-shaped cross-sections.
  • both the base part 1 and the bearing block 9 as well as the load arm 14 and the support arm 17 are designed as stable sheet-metal pressed parts.
  • the actuating end of the base part 1 is lifted somewhat off the floor by means of a support leg 20.
  • the jack is placed on the floor with its horizontal base part 1 and the foot 20 and the lower fork-shaped end of the load arm 14 is placed on the bolts 11 on the nut piece 10.
  • an initial height of the load head 16 can be set, from which the actuation begins.
  • the cumbersome and time-consuming turning of the threaded spindle 7 can be considerably reduced.
  • the nut piece 10 moves along the slightly S-shaped link slots 12 in the direction of the spindle bearing 8 and thereby urges the load arm 14 and the support arm 17 via the articulated connection with the bolt 18 up.
  • the load head 16 moves here along the stroke curve indicated by construction steps, which clearly follows a tilting movement of the motor vehicle.
  • the threaded spindle need only be actuated until the load head 16 is released from the motor vehicle. If you now pull the jack out from under the motor vehicle, you can disengage it with its fork-shaped end from the bolts 11 on the nut piece 10 by slightly lifting the load arm 14, as a result of which the jack can be fully folded without the nut piece 10 being in its outermost position End position must be turned. When the jack is used again, the initial height required for the motor vehicle can then be set immediately by hooking in the fork-shaped end 15 of the load arm 14.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP86106884A 1985-12-18 1986-05-21 Cric pour véhicules à moteur Expired EP0226695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3544779 1985-12-18
DE19853544779 DE3544779A1 (de) 1985-12-18 1985-12-18 Wagenheber fuer kraftfahrzeuge

Publications (2)

Publication Number Publication Date
EP0226695A1 true EP0226695A1 (fr) 1987-07-01
EP0226695B1 EP0226695B1 (fr) 1988-10-12

Family

ID=6288762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106884A Expired EP0226695B1 (fr) 1985-12-18 1986-05-21 Cric pour véhicules à moteur

Country Status (2)

Country Link
EP (1) EP0226695B1 (fr)
DE (2) DE3544779A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625992A1 (fr) * 1988-01-14 1989-07-21 Takraf Schwermasch Cric pour vehicule
EP0344892A1 (fr) * 1988-04-12 1989-12-06 Metallifacture Limited Cric pour véhicule
GB2228249A (en) * 1989-02-16 1990-08-22 Metallifacture Ltd Load-lifting jack.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2099903A (en) * 1936-10-26 1937-11-23 John A Edeby Lifting apparatus
US2264979A (en) * 1939-08-29 1941-12-02 Vadim S Makaroff Lifting jack
FR1378706A (fr) * 1964-01-03 1964-11-13 Metallifacture Ltd Perfectionnements aux vérins de levage de charge
GB1227715A (fr) * 1969-01-17 1971-04-07
GB1322426A (en) * 1970-07-03 1973-07-04 Aisin Seiki Load lifting jacks
US3938780A (en) * 1974-02-21 1976-02-17 Hauptman Murray L Automobile chassis jack
GB2030108A (en) * 1978-07-25 1980-04-02 Aisin Seiki Load lifting jacks
FR2516492A1 (fr) * 1981-11-19 1983-05-20 Rousseau Jean Paul Cric de levage
GB2114537A (en) * 1982-02-01 1983-08-24 Kenneth Carter Motor vehicle jack

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851980C2 (de) * 1978-12-01 1982-07-01 E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen Wagenheber

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2099903A (en) * 1936-10-26 1937-11-23 John A Edeby Lifting apparatus
US2264979A (en) * 1939-08-29 1941-12-02 Vadim S Makaroff Lifting jack
FR1378706A (fr) * 1964-01-03 1964-11-13 Metallifacture Ltd Perfectionnements aux vérins de levage de charge
GB1227715A (fr) * 1969-01-17 1971-04-07
GB1322426A (en) * 1970-07-03 1973-07-04 Aisin Seiki Load lifting jacks
US3938780A (en) * 1974-02-21 1976-02-17 Hauptman Murray L Automobile chassis jack
GB2030108A (en) * 1978-07-25 1980-04-02 Aisin Seiki Load lifting jacks
FR2516492A1 (fr) * 1981-11-19 1983-05-20 Rousseau Jean Paul Cric de levage
GB2114537A (en) * 1982-02-01 1983-08-24 Kenneth Carter Motor vehicle jack

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625992A1 (fr) * 1988-01-14 1989-07-21 Takraf Schwermasch Cric pour vehicule
EP0344892A1 (fr) * 1988-04-12 1989-12-06 Metallifacture Limited Cric pour véhicule
GB2228249A (en) * 1989-02-16 1990-08-22 Metallifacture Ltd Load-lifting jack.
EP0383542A1 (fr) * 1989-02-16 1990-08-22 Metallifacture Limited Cric pour lever une charge

Also Published As

Publication number Publication date
DE3544779A1 (de) 1987-06-19
EP0226695B1 (fr) 1988-10-12
DE3544779C2 (fr) 1988-11-03
DE3660905D1 (en) 1988-11-17

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