Device for lifting vehicles

Details Device for lifting vehicles Device for lifting vehicles

1975-10-07

1976-11-30

Jones, Jr., James L.

Implements or apparatus for applying pushing or pulling force

Inclined plane lifter

254 93HP, E02C 300

Patent

active

039944743

ABSTRACT:
Onto a rectangular bottom frame a lifting platform is hinged by a parallelogram guiding linkage to move vertically above the bottom frame. Between the lifting platform and the bottom platform an air bellows is fitted. A wedge plate is connected at one edge to the lifting platform to move up and down at that edge with the bottom platform while the opposite edge is drawn back and forth along a guide on the bottom platform. The wedge plate forms one side of the parallelogram and the guide forms a second side. The forward edge of the wedge plate is pivotable with respect to its remainder and cooperates with detents extending from the bottom platform to lock the lifting platform in elevated positions. The device travels on wheels which pass into the bottom platform as the bottom platform is urged to the ground under the weight of the vehicle.

REFERENCES:
patent: 2404577 (1946-07-01), Jackson
patent: 3174722 (1965-03-01), Alm
patent: 3379411 (1968-04-01), Vanderjagt
patent: 3521861 (1970-07-01), Freudenthal et al.
patent: 3758076 (1973-09-01), Tranchero

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