A hydraulic lifting device capable of being rapidly raised in a mechanical movement by use of a linkage mechanism that comprises a lifting device, a rotating shaft and a linkage. The lifting device has a basic construction of two vertical side plates, a lifting arm, and a saddle support plate at the...http://www.google.es/patents/US20030136951?utm_source=gb-gplus-sharePatente US20030136951 - Hydraulic lifting device with a rapid mechanical lift to chassis of vehicle
Hydraulic lifting device with a rapid mechanical lift to chassis of vehicle
Número de solicitud: 10/052,634 Número de publicación: US 2003/0136951 A1 Fecha de presentación: 23 Ene 2002 Patente emitida: US6789785 ( Fecha de emisión 14 Sep 2004)