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. 01, 1980
Filed:
Jan. 03, 1978
Applicant:
Inventors:
David L Swigert, Ft. Collins, CO (US);
Ronn G Smith, Ft. Collins, CO (US);
Assignee:
Teledyne Industries, Inc., Ft. Collins, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B / ; E05B / ; G08B / ;
U.S. Cl.
CPC ...
340542 ; 340541 ; 340545 ; 340549 ; 200 44 ; 200 6164 ; 200 6167 ; 70432 ; 70439 ;
Abstract
A lock mechanism is included within the outer knob of a latch assembly. Associated with the inner knob is an alarm apparatus that includes a battery, a sound generator and a transducer for delivering an audible signal. The different components of the alarm apparatus are located either in an escutcheon associated with the inner knob or within the body of the knob itself. In either case, the latch assembly includes switch contacts which close to operate the alarm apparatus upon a very slight twisting of the outer knob.