Power release double-locking latch

Details Power release double-locking latch Power release double-locking latch

2005-08-10

2010-11-09

Barrett, Suzanne D (Department: 3673)

Locks

Special application

For automotive vehicles

C070S237000, C070S277000, C070S278700, C292S201000, C292S216000, C292SDIG023

Reexamination Certificate

active

07827836

ABSTRACT:
A power-release door lock system for an automotive door having a latch, including a ratchet (18) and pawl (20), and an electro-mechanical exterior latch release mechanism (220) for actuating the pawl to release the ratchet. The system includes a controller (210) and a pressure sensitive switch (216) mounted to an outside door handle (214) of the automotive door and electrically connected to the controller. The controller is programmed to disable the pressure sensitive switch in response to a predetermined “lock” signal and enable the pressure sensitive switch in response to a pre-determined “unlock” signal, in which case the controller energizes the exterior latch release mechanism to release the ratchet in the event the pressure sensitive switch is actuated. The system eliminates the need for an exterior lock assembly and its attendant inside lock button or rod.

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