FR2285331A1 - Motor car jack with crank handle - has tubular body enclosing spindle acted on by movable lever arm - Google Patents
Motor car jack with crank handle - has tubular body enclosing spindle acted on by movable lever armInfo
- Publication number
- FR2285331A1 FR2285331A1 FR7431891A FR7431891A FR2285331A1 FR 2285331 A1 FR2285331 A1 FR 2285331A1 FR 7431891 A FR7431891 A FR 7431891A FR 7431891 A FR7431891 A FR 7431891A FR 2285331 A1 FR2285331 A1 FR 2285331A1
- Authority
- FR
- France
- Prior art keywords
- fork
- tubular body
- lever arm
- motor car
- crank 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
Links
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
In order to operate the spindle (11), the vehicle jack has an operating head at its upper end incorporating a universal joint consisting of two forks (31, 32) connected by a crosspiece (33). One of the forks is rigidly connected to the spindle while the other can be angularly adjusted and has an e.g. hexagonal sided nut (34) with which a hand crank can be engaged. The radius of the circumferential circle described by the end of the angularly adjustable fork (32) is at least equal to the distance (d) between the cross-piece's axis (o) passing through the two arms of this fork and each of the ends (311, 322) of the arms of the other fork (31). In this way the angle of adjustment of the fork (32) is limited to an angle below 90 deg.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7431891A FR2285331A1 (en) | 1974-09-20 | 1974-09-20 | Motor car jack with crank handle - has tubular body enclosing spindle acted on by movable lever arm |
GB3533075A GB1517384A (en) | 1974-09-20 | 1975-08-27 | Lifting jack |
DE19752539573 DE2539573A1 (en) | 1974-09-20 | 1975-09-05 | JACKS, IN PARTICULAR FOR VEHICLES |
ES441145A ES441145A1 (en) | 1974-09-20 | 1975-09-20 | Lifting jack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7431891A FR2285331A1 (en) | 1974-09-20 | 1974-09-20 | Motor car jack with crank handle - has tubular body enclosing spindle acted on by movable lever arm |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2285331A1 true FR2285331A1 (en) | 1976-04-16 |
FR2285331B1 FR2285331B1 (en) | 1978-06-09 |
Family
ID=9143298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7431891A Granted FR2285331A1 (en) | 1974-09-20 | 1974-09-20 | Motor car jack with crank handle - has tubular body enclosing spindle acted on by movable lever arm |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2285331A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1040015A (en) * | 1951-07-20 | 1953-10-12 | J Florimond Et H Chabardes Ets | Advanced jack for lifting vehicles |
FR1072892A (en) * | 1952-03-14 | 1954-09-16 | Smiths Jacking Systems Ltd | Improvements made to jacks |
US2784939A (en) * | 1953-11-10 | 1957-03-12 | Joseph F Palka | Lifting jack |
FR1235475A (en) * | 1959-05-27 | 1960-07-08 | Commerciale D Outil Et De Join | New jack |
DE1193221B (en) * | 1963-03-22 | 1965-05-20 | Domkraft Ab Nike | Screw jack jack |
FR2141821A1 (en) * | 1971-06-16 | 1973-01-26 | Bilstein August Fa | |
FR2176623A1 (en) * | 1972-03-24 | 1973-11-02 | Saint Omer Fonderies |
-
1974
- 1974-09-20 FR FR7431891A patent/FR2285331A1/en active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1040015A (en) * | 1951-07-20 | 1953-10-12 | J Florimond Et H Chabardes Ets | Advanced jack for lifting vehicles |
FR1072892A (en) * | 1952-03-14 | 1954-09-16 | Smiths Jacking Systems Ltd | Improvements made to jacks |
US2784939A (en) * | 1953-11-10 | 1957-03-12 | Joseph F Palka | Lifting jack |
FR1235475A (en) * | 1959-05-27 | 1960-07-08 | Commerciale D Outil Et De Join | New jack |
DE1193221B (en) * | 1963-03-22 | 1965-05-20 | Domkraft Ab Nike | Screw jack jack |
FR2141821A1 (en) * | 1971-06-16 | 1973-01-26 | Bilstein August Fa | |
FR2176623A1 (en) * | 1972-03-24 | 1973-11-02 | Saint Omer Fonderies |
Also Published As
Publication number | Publication date |
---|---|
FR2285331B1 (en) | 1978-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |