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:
Sep. 08, 1987
Filed:
Nov. 27, 1985
Applicant:
Inventors:
George K Austin, Jr, Newberg, OR (US);
Larry D Lietz, Dundee, OR (US);
Assignee:
A-DEC, Inc., Newberg, OR (US);
Primary Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
292171 ; 292144 ;
Abstract
A fail-secure lock apparatus includes a normally pneumatically actuated locking bolt that can be manually operated to withdraw the same in the event of a power failure. The apparatus incorporates a standard key operated lockset connected to operate the pneumatic power drive means or, in the event of a power failure, is connected to rotate a cable reel mechanically to effect movement of the locking bolt to the unlocked position.