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. 23, 1986
Filed:
Feb. 21, 1985
Applicant:
Inventor:
George S Pieczykolan, North Wales, PA (US);
Assignee:
Central Sprinkler Corporation, Lansdale, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
169 38 ;
Abstract
The latch holding a sprinkler head valve in a closed position is released by a temperature responsive controller. The temperature responsive controller controls actuation of an explosive detonator which in turn fractures a frangible member forming a part of said latch whereby a rapid response is provided.