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:
Nov. 30, 1993
Filed:
Sep. 20, 1991
Applicant:
Inventors:
Gerald L Dawson, Lexington, KY (US);
Thomas R Clark, Lexington, KY (US);
Assignee:
Mas-Hamilton Group, Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
70278 ; 70277 ; 70190 ; 292142 ;
Abstract
A bolt retraction mechanism is descrbied that is enabled by an electronic signal to a stepper motor which causes the lock to be openable. The lock is internally powered by a generator operable by the operator. The operation of the generator is separate from the lock operations.