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:
Jun. 25, 2002
Filed:
May. 12, 2000
Daniel N. Nigro, Jr., Ocean Springs, MS (US);
Eugene Karl Siller, Indianapolis, IN (US);
Von Duprin, Inc., Indianapolis, IN (US);
Abstract
An improved exit alarm lock including a push pad moveable between an extended position and a depressed position; a pivotable first bell crank, a first end of the first bell crank being connected to a first end of the push pad; a pivotable support connected to a second end of the push pad; and a deadbolt moveable between a retracted position and an extended position, a second end of the first bell crank directly engaging the deadbolt, whereby when the push pad is moved to the depressed position, the push pad pivots the first bell crank, the first bell crank second end contacts the deadbolt and moves the deadbolt from the extended position to the retracted position.