GB591423A - Improvements in jacks attached to mechanically propelled vehicles - Google Patents

Abstract

591,423. Jacking attachments for motor vehicles. JOHNSON, J. E. April 18, 1945, No. 7534. [Class 79 (iii)] In a motor-vehicle jacking device of the type hinged to the axle and adapted to lift the appropriate wheel from the ground on actuation by a chain or cable and by rearward movement of the vehicle, the operating rods for the cables are movable in a vertical direction and project through four holes in a loose plate so that each jack may be operated individually or all four jacks simultaneously by raising the loose plate. As shown the vehicle has front wheels A and rear wheels B to whose axles are hingedly fixed four jacks E', E. Cables G<1>, G serve to bring the jacks into contact with the ground and are connected to levers e' on the front jacks and lugs e<2> on the rear jacks. The cables run over pulleys g<1>, g attached to a box c on the vehicle chassis C, said box housing four operating rods H', H. The rods pass through a loose plate J. when it is necessary to raise a particular wheel(s) the appropriate rod is raised and the vehicle reversed. All four wheels may be raised from the ground by pulling the loose plate up thereby raising all the rods.