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:
Dec. 31, 1996
Filed:
Dec. 05, 1994
Applicant:
Inventors:
Rory M Riley, Santa Ana, CA (US);
Alan K Uyeda, Pico Rivera, CA (US);
Michael Winardi, Rowland Heights, CA (US);
Assignee:
Adams Rite Manufacturing Company, City of Industry, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05B / ;
U.S. Cl.
CPC ...
292 92 ; 292 21 ; 292D / ; 292D / ;
Abstract
A door locking and unlocking safety mechanism comprising a push mechanism actuator structure to be carried by the door; a single rod operatively connected with the push mechanism to be displaced by operation of the push mechanism; door latch mechanism operable to latch and unlatch the door in response to movement of the single rod; and temperature response blocking structure associated with the latch mechanism to block operation of the latch to unlatch the door, in response to a predetermined increase in ambient temperature.