Parking lock device for automated gear box of electrically driven motor car, has pawl engaged into wheel, where carriage is axially arranged on spindle for operation of pawl, and unit locking carriage to maintain non-parking position

摘要

The device has a parking lock pawl (10a) engaged into a parking lock wheel, and a spindle (11a) converting rotating movement into an axial movement for operation of the parking lock pawl. A spindle propelled carriage (12a) is axially arranged on the spindle for operation of the parking lock pawl. A locking unit (13a) locks the carriage to maintain a non-parking position, where the locking unit has a holding wheel (14a). The locking unit has a spring element (15a) e.g. spiral spring, independently switching a parking position according to loosening of a lock of the carriage.