The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2002

Filed:

Nov. 09, 1999
Applicant:
Inventor:

Patrick Dupont, Noyelles sur Mer, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05B 4/706 ; E05C 3/06 ;
U.S. Cl.
CPC ...
E05B 4/706 ; E05C 3/06 ;
Abstract

Motor vehicle door lock comprising: a latch cooperating with a striker; a pawl immobilizing the latch in the closed position; a latch-release mechanism comprising a control member that can move in response to actuation of a door handle; an electromechanical locking/unlocking device causing the lock to pass into an unlocked condition in response to an unlocking signal produced by an electronic recognition device; an energy accumulation device is provided, this device including a spring interposed between the control member and the pawl in such a way that when the lock is in the locked condition, the spring stores energy by being stressed by the control member during its actuation movement in response to the actuation of the door handle and so that, when the lock moves into the unlocked condition, the energy stored up in the spring is released and the energy accumulation device causes the pawl to move into its “escaped” position, releasing the latch.


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