Patent ID: 7780207
Filing Date: 2010-08-24
Classification: E05B,Y10S,Y10T

Abstract:
1. A door latch system of a motor vehicle having a vehicle body, a side sill and a cabin side door, comprising: a striker fixed to the cabin side door; a latch unit comprising a latch plate which engages the striker and a locking pawl member that is able to restrain the latch plate at a latch position, the latch unit being mounted to the vehicle body and having a latch condition to latch the cabin side door and an unlatch condition to unlatch the cabin door thereby to release the door; a power latch canceling mechanism mounted to the vehicle body, the power latch canceling mechanism comprising an electric actuator which, when electrically energized, enforcedly causes the latch unit to assume the unlatch condition; and a manual latch canceling mechanism mounted to the vehicle body, the manual latch canceling mechanism comprising an emergency handle placed in a trunk room of the vehicle and a cable which transmits a movement of the emergency handle to the latch unit, the manual latch canceling mechanism causing the latch unit to assume the unlatch condition when the emergency handle is manipulated, and another manual latch canceling mechanism that is mounted to the vehicle body and comprises a handle member that is installed in the side sill of the vehicle in a manner to be controllable from the interior vehicle and a cable that transmits a movement of the handle member to the latch unit, the another manual latch canceling mechanism causing the latch unit to assume the unlatch condition when the handle member is manipulated; wherein the cable of the manual latch canceling mechanism is arranged in the vehicle body and extends substantially horizontally between the latch unit and the emergency handle in a direction corresponding to the length of the vehicle body, to cause the latch unit to assume the unlatch condition when the emergency handle is pulled away from the latch unit; wherein the trunk room of the vehicle is equipped with a pivotally movable trunk lid, the trunk lid being equipped with a lock device by which the trunk lid is locked to the trunk room while assuming its close position; the emergency handle of the manual latch canceling mechanism is arranged at a mouth area of the trunk room; the locking pawl member of the latch unit is moved by the electric actuator of the power latch canceling mechanism, and the power transmitting member of the another manual latch canceling mechanism is a cable that is led and connected to the locking pawl member of the latch unit; the cable of the manual latch canceling mechanism is led and connected to the locking pawl member of the latch unit; and the emergency handle of the manual latch canceling mechanism has a T-shaped construction.