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. 05, 2012
Filed:
Feb. 23, 2010
Hsi-ting Lin, Guiren Township, Tainan County, TW;
Hsi-Ting Lin, Guiren Township, Tainan County, TW;
I-Tek Metal Mfg. Co., Ltd., Tainan, TW;
Abstract
A fire bolt assembly () includes a receiving tube () mounted in a door (). A mounting member () is mounted to the receiving tube () and includes two coupling faces (). A positioning bolt () is received in the receiving tube () and includes a front end (). A spring () is mounted in the receiving tube () for biasing the front end () of the positioning bolt () out of the receiving tube (). A stop member () includes two legs () respectively engaged with the coupling faces () of the mounting member () to hold the positioning bolt () in the receiving tube (). The front end () of the positioning bolt () is moved out of the receiving tube () to engage with a coupling hole () in another door () or a door frame when the stop member () melts due to the heat of the fire, locking the door () in place during the fire.