Patents Represented by Law Firm Hoffman, Wasson & Gliter - Justia Patents Search

Patents Represented by Law Firm Hoffman, Wasson & Gliter

Hydraulic cylinder-piston unit provided with a mechanical safety device, particularly for pantograph type motor vehicle lifts

Patent number: 5205203

Abstract: A hydraulic jack particularly intended for use in automobile lifts includes a safety stop mechanism including a fixed toothed rod and a piston-supported pawl mechanism which includes one or more stop members. Each of the stop members can be retracted, to allow the jack to collapse, by applying hydraulic pressure to the chamber above the piston.

Type: Grant

Filed: June 8, 1989

Date of Patent: April 27, 1993

Inventor: Eride Rossato