Emergent unlatching mechanism for fire door latch assembly

Details Emergent unlatching mechanism for fire door latch assembly Emergent unlatching mechanism for fire door latch assembly

E - Fixed Constructions

05

C

E05C 19/00 (2006.01) E05B 65/10 (2006.01) E05B 51/02 (2006.01)

Patent

CA 2416658

This invention relates to an emergent unlatching mechanism for the fire door latch which includes a guide tube and a connecting tube so assembled and attached to the interior of the fire door latch without any necessary modification to the existing designed structure of the fire door. With no fire door key available, the fireman can use the ejection of water from the fire hydrant to open the fire door and enter the fire area for fire fighting.

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