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.
Patent No.:
Date of Patent:
Apr. 10, 2001
Filed:
Jun. 14, 1993
Applicant:
Inventors:
Gary David Bree, Clarkston, MI (US);
Mark Michael Berklich, Leonard, MI (US);
Lloyd Walker Rogers, Jr., Shelby Township, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C 3/06 ;
U.S. Cl.
CPC ...
E05C 3/06 ;
Abstract
A deadbolt locking actuator includes a housing mounting a reversible motor. A worm is fitted on an output shaft of the motor and meshed with a worm gear. A rotary arm is provided outside of the housing and coupled to the worm gear. A pin on the rotary arm is received in an elongated slot of a link connected to a manual locking lever of a door latch. A control circuit operates the drive unit and link between deadbolt and non-deadbolt positions.