Car jack

Details Car jack Car jack

1998-11-03

2000-06-06

Scherbel, David A.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

254133R, 254122, 254124, B66F 300

Patent

active

060708565

ABSTRACT:
A jack with a leg (1) and a supporting arm (2) articulated together by an articulation (3). The leg rests against the ground (5) by way of a foot (4). The supporting arm is articulated by another articulation (18) at the other end of the supporting arm to a load-support plate (19). The plate supports the vehicle as it is lifted by way of an innermost section (20) located preferably between the sill ridge (21) and the midline, and below the bottom (22), of the vehicle. The plate has a bodywork catch (25) with a bent-up section (26). The bent-up section comes to rest against the outside (23) of the sill (24) when the jack is used and is raised by a spring (28). Adjusting arms (9& 10) are articulated to the leg, to the supporting arm, and to each other, constituting a parallelogram linkage. One end (17) of the supporting arm projects beyond its articulation (7) to its associated adjusting arm (9). A threaded displacement shaft (12) is connected at one end to an articulation (11) between the adjusting arms and at the other to the articulation (3) between the leg and the supporting arm.

REFERENCES:
patent: 3317187 (1967-05-01), Steppon
patent: 4765595 (1988-08-01), Alten
patent: 5118083 (1992-06-01), Metzen
patent: 5275378 (1994-01-01), Alten

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