Side lift jack for unibody automobiles
AssigneeGray Manufacturing Company, Inc.
InventorsJoseph L. Gray, James J. Gray
Life of this patent
Estimating the term…
Abstract
A jack assembly for side lifting of four wheel vehicles into tilted disposition is disclosed wherein elongated, rectilinear lifting arm means is provided which is of a length to extend substantially across the track dimension of the vehicle when the arm means is inserted under the vehicle from one side thereof. Extensible fluid actuated means is operably connected to the normally outboard end of the lifting arm means for swinging the arm means through an arcuate displacement to engage and lift one side of the car as the arm means pivots about the inboard end thereof which rests on the ground. The jack is especially useful for raising one side of smaller unibody automobiles without damage to the body or operating components.
Claims14
A jack assembly for tilting a four wheel vehicle off the ground, comprising:
- elongated lifting arm means presenting an inner end and an outer end;
- upright post means including extensible means;
- and
- means rigidly connecting said post means and arm means adjacent said inner end of the latter to present an included obtuse angle between the arm means and post means,
- said arm means being constructed and arranged for positioning at least partially under said vehicle from one side thereof and of a length to extend across the width of the vehicle from said one side with said outer end engaging an outer contact area on the ground more than one-half of the wheel track dimension of said vehicle,
- said assembly having inboard ground-engaging means for engaging an inner contact area on the ground proximal to said post means,
- said extensible means including means for swinging the arm means through an arc to engage the vehicle and extert a tilting force thereon,
- said included angle remaining constant during said travel of said arm means with said outer end of said arm means pivoting adjacent said outer contact area, and with said inboard ground-engaging means shifting along said ground, at least a portion of said shifting being toward said vehicle.
Dependencies are inferred from the claim text.