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. 01, 1977
Filed:
Oct. 05, 1976
Abraham Gamus, Chomeday, CA;
Zoran Knecevic, Montreal, CA;
Unican Security Systems, Ltd., Montreal, CA;
Abstract
An electric strike type door lock in which the strike tongue is releasably held in its latch bolt securing position by a ball seated in a bore in a wall of the housing in which the strike tongue is mounted. Toggle linkage holds the ball in an operative position projecting from the mouth of the bore and into a pocket in the adjacent surface of the strike tongue, when the toggle linkage is in an extended condition with its knee joint slightly across dead center. A low powered solenoid operatively connected with the knee joint of the toggle, initiates collapse of the toggle and thereby enables the ball to be expelled from the pocket in the strike tongue by door opening force transmitted through the latch bolt onto the strike tongue.