Self contained power assist lift jack

Details Self contained power assist lift jack Self contained power assist lift jack

B - Operations, Transporting

66

F

B66F 5/00 (2006.01) B66F 5/04 (2006.01) B66F 7/06 (2006.01) B66F 7/08 (2006.01)

Patent

CA 2070849

ABSTRACT OF THE DISCLOSURE A lift device for lifting the front or rear of a snowmobile. The lift is actuated by a pivoted handle bar, controlling a snowmobile chassis-engaging bracket through a parallelogram linkage. A non-hydraulic ram is connected to the parallelogram linkage wherein fluid pressure inside the ram cylinder builds up as the piston rod thereof retracts concurrently with the lowering of the raised snowmobile under the load of the descending snowmobile. A releasable lock about the inner end of the handle bar maintains the ram in loaded condition, until a vehicle is to be lifted. The power assist ram reduces by up to 90% the effort needed to pivot handle bar to lift the vehicle.

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