Power-actuated motor-vehicle door latch with antitheft mode

Abstract From the Canadian patent

A motor-vehicle door latch has a latching element movable between a latched position and an unlatched position and a locking pawl engageable with the element and displaceable between a locked position retaining it in the latched position and an unlocked position allowing it to move into the unlatched position. Power actuation is effected by a planetary-gear drive including a reversible electric motor a sun gear, rotatable by the motor about the planetary axis at least one planet gear meshing with the sun gear, a planet carrier carrying the planet gear and a ring gear meshing with the planet gear. An actuating lever is displaceable by a door handle for movement of the locking pawl between …