Displacement-power transmission unit for vehicle door lock, has lever arm at drive and non drive side ends of pressuring unit, and length changing unit provided at both ends for changing length of arm during movement of pressurizing unit

摘要

The transmission unit has a pressurizing unit (3) with a drive side end (4) and a non-drive side end, where a manual and/or power drive (6) is linked directly or indirectly at the drive side end (4). A lever arm (10) is engaged at both the drive and non drive side ends. A length changing unit (11) is provided at both the ends for changing effective length of the lever arm during movement of the pressurizing unit.