EP0773184B1 - Wagenheber mit Zapfenmontage für die Spindel des Wagenhebers - Google Patents

Wagenheber mit Zapfenmontage für die Spindel des Wagenhebers Download PDF

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Publication number
EP0773184B1
EP0773184B1 EP19960402400 EP96402400A EP0773184B1 EP 0773184 B1 EP0773184 B1 EP 0773184B1 EP 19960402400 EP19960402400 EP 19960402400 EP 96402400 A EP96402400 A EP 96402400A EP 0773184 B1 EP0773184 B1 EP 0773184B1
Authority
EP
European Patent Office
Prior art keywords
pin
jack
projection
whose
cradle
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.)
Expired - Lifetime
Application number
EP19960402400
Other languages
English (en)
French (fr)
Other versions
EP0773184A1 (de
Inventor
Gilles Ruffie
David Framboisier
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.)
Adwest Bowden France SA
Original Assignee
Adwest Bowden France SA
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 Adwest Bowden France SA filed Critical Adwest Bowden France SA
Publication of EP0773184A1 publication Critical patent/EP0773184A1/de
Application granted granted Critical
Publication of EP0773184B1 publication Critical patent/EP0773184B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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 jacks comprising a rod rotary operation pivotally mounted on two opposite walls a piece of the jack (or two opposite walls belonging respectively to one and the other of two pieces of the jack) by means of a pin whose pivot axis is perpendicular to the axis of rotation of the rod, the two ends of the journal being pivotally mounted respectively in one and in the other of two opposite recesses practiced respectively in one and the other of these two walls.
  • the problem is to easily set up each end of the pin in the corresponding recess and to prevent then that this end comes out of the recess.
  • the present invention relates to a solution facilitating the mounting while retaining proper mounting strength.
  • each recess is delimited by a side wall whose lower part is suitable for constituting a cradle for the journal and whose the upper part opens out and allows you to descend the end of the pin in its cradle, and is delimited by a face of bottom, in that the edge of the end of the journal has a projection, and in that said bottom face has local digging capable of receive said protrusion and allow it to rotate with the journal when the latter rests in said cradle, in that said bottom face has a groove which communicates said excavation with outside and which is designed so that said projection can slide in the groove until fully received in said digging during fitting the trunnion in said cradle, said projection being chosen by so that the angular position of the pin to allow the introduction of said projection in the groove is outside the range of positions that the journal can take in service.
  • the pin comprises in a known manner a part central through which a threaded bore in which engages the rod 3 and two cylindrical ends.
  • a projection 8 (8 ') constituted in this example by a circular sector determined by a curve which extends the surface cylindrical of the trunnion and by a cord smaller than the diameter of this cylinder.
  • the facing faces (1a, 1'a) of the walls (1,1 ') have opposite U-shaped recesses (4,4 ') to receive the ends respective cylindrical (2a, 2a ') of the pin (2).
  • the recess 4 of wall 1 opens laterally on a free edge (1b) of this wall and is delimited laterally by a wall (9) the lower part of which is semi-circular to hold the end of the pin and allow to turn on itself.
  • the recess is delimited in the thickness of the wall by a bottom face (5) which has a first local excavation (6), capable of receiving the projection of the trunnion and allow rotation with the journal when the latter rests on the wall 9, and a second local excavation (7) constituting a groove which communicate the first digging with said free edge (1a) and in which said projection can slide until it is fully received in the first dig.
  • the position of the projection (8.8 ') is chosen so that the position angular of the pin which makes it possible to introduce the projection (8) in the groove (7) is outside the range of angular positions that the pin can take up service.
  • the invention is particularly applicable to jacks used for lift an automobile.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (3)

  1. Wagenheber mit einer drehbaren Betätigungsspindel (3), die zur Schwenkbewegung auf zwei gegenüberliegenden Wänden (1b, 1c) eines Bauteils des Wagenhebers mittels eines Zapfens (2) angebracht ist, dessen Schwenkachse senkrecht zur Drehachse der Spindel (3) verläuft, wobei die beiden Enden (2a; 2a') des Zapfens (2) jeweils zur Schwenkbewegung in der einen bzw. in der anderen zweier gegenüberliegender Vertiefungen (4, 4') angebracht sind, die in der einen bzw. der anderen dieser beiden Wände (1, 1') ausgespart sind, dadurch gekennzeichnet, daß jede Vertiefung (4, 4') durch eine Seitenwand (9) begrenzt ist, deren unterer Teil dazu eingerichtet ist, eine Wiege für den Zapfen (2) zu bilden, und deren oberer Teil es gestattet, den Zapfen (2) in seine Wiege abzusenken, und nach außen mündet, und durch eine Bodenfläche (5) begrenzt ist, daß die Schnittfläche des Endes des Zapfens (2) einen Vorsprung (8, 8') aufweist, und daß die genannte Bodenfläche (5) eine örtliche Aussparung (6) aufweist, die dazu eingerichtet ist, den genannten Vorsprung (8, 8') des Zapfens (2) aufzunehmen und ihn zu halten, wobei ihm gleichzeitig gestattet ist, sich zusammen mit dem Zapfen (2) zu drehen, und auch eine Nut (7) aufweist, die eine Verbindung zwischen der genannten Aussparung (6) und der Außenseite herstellt und so ausgebildet ist, daß der genannte Vorsprung (8, 8') in der Nut (7) gleiten kann, bis er während des Einführens des Zapfens (2) in seine Wiege in seiner Gesamtheit in der genannten Aussparung (6) aufgenommen ist, wobei der genannte Vorsprung (8, 8') derart gewählt ist, daß die Winkellage des Zapfens (2) zum Gestatten des Einführens des Vorsprungs (8, 8') in die genannte Nut (7) außerhalb des Bereiches der Winkellagen liegt, die der Zapfen (2) im Betrieb einnehmen kann.
  2. Wagenheber nach Anspruch 1, dadurch gekennzeichnet, daß die genannte Seitenwand (9) der Vertiefung U-förmig ist.
  3. Wagenheber nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der genannte Vorsprung (8, 8') die Form eines Kreissektors hat, dessen Krümmung die Zylinderfläche des Zapfens (2) verlängert und dessen Sehne kleiner ist als der Durchmesser dieses Zylinders.
EP19960402400 1995-11-13 1996-11-12 Wagenheber mit Zapfenmontage für die Spindel des Wagenhebers Expired - Lifetime EP0773184B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9513392 1995-11-13
FR9513392A FR2741059B1 (fr) 1995-11-13 1995-11-13 Cric comportant un montage de tourillon ameliore pour la tige de manoeuvre du cric

Publications (2)

Publication Number Publication Date
EP0773184A1 EP0773184A1 (de) 1997-05-14
EP0773184B1 true EP0773184B1 (de) 2000-10-18

Family

ID=9484484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960402400 Expired - Lifetime EP0773184B1 (de) 1995-11-13 1996-11-12 Wagenheber mit Zapfenmontage für die Spindel des Wagenhebers

Country Status (3)

Country Link
EP (1) EP0773184B1 (de)
DE (1) DE69610683D1 (de)
FR (1) FR2741059B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2330349B (en) * 1997-10-14 2001-04-25 Metallifacture Ltd Vehicle jack

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756108C2 (de) * 1977-12-16 1984-05-30 E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen Wagenheber
DE3037934A1 (de) * 1980-10-08 1982-05-13 E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen Wagenheber
EP0327484B1 (de) * 1988-01-18 1992-05-27 Batz, S. Coop. Ltda. Wagenheber
DE4130108A1 (de) * 1991-09-11 1993-03-18 Storz E A Kg Wagenheber

Also Published As

Publication number Publication date
EP0773184A1 (de) 1997-05-14
DE69610683D1 (de) 2000-11-23
FR2741059B1 (fr) 1998-01-30
FR2741059A1 (fr) 1997-05-16

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