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. 03, 1990
Filed:
Apr. 18, 1988
Raymond B Bushnell, Lodi, CA (US);
Larry W Green, San Francisco, CA (US);
Phelps-Tointon, Inc., San Antonio, TX (US);
Abstract
Multiple embodiments of a security lock mechanism being adapted for both deadlocked and slam-lock operation are disclosed with different combinations of features including a housing, a movable locking bolt, a rotatable cam having a pin engaged with a slot in the bolt and a centering device such as a remote drive unit or double-acting spring mechanism coupled with the rotatable cam by a lost motion coupling for facilitating slam-lock and deadlocked operation of the security lock mechanism. With the remote drive unit being a pneumatically operated cylinder and piston, the piston is preferably of split construction to facilitate overriding operation of the remote drive unit, for example, by a key.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile