Automobile with self contained jacks

Claim 1

In combination with an automobile or other vehicle having a plurality of wheels, each wheel being rotatable about a horizontal axle, a like plurality of jacks, each jack being associated with a corresponding wheel and axle, each jack including first and second parallel inclined elongated rods pivotally secured at their uppEr ends to the corresponding axle, said rods lying in essentially the same plane as said axle, a support shoe pivotally secured to the lower ends of both rods and essentially parallel to the corresponding axle, a horizontal hydraulic cylinder disposed below the corresponding axle, said cylinder having a front end pivotally secured to said corresponding axle and a rear end with a horizontal axially disposed shaft movable into and out of the cylinder, one end of the shaft always being exposed, a linkage pivotally secured at one end to the free end of the shaft and pivotally secured at the other end to the upper end of the nearest one of the two rods, and means controllable from the vehicle to provide hydraulic control for said cylinder, said means placing the jack in either one of extended or withdrawn positions, said shoe engaging the ground to hold the axle in proper position when the jack is in extended position and being held above ground level adjacent the axle when the jack is in withdrawn position.