G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 17/02 (2006.01) G08B 25/12 (2006.01)
Patent
CA 2261282
A fire alarm station pull cover with a rectangular box shape enclosure that is open in the front, back and bottom and has a removable cap. The cover is mounted to a wall fully encasing a fire alarm pull lever. A glass pane resides in grooves on both sides of the apparatus and is supported laterally by said grooves and vertically by a detent at the bottom of each groove. One or a plurality of equi-spaced vertical score marks formed on the pane of glass causes the pane to controllably break into parts when struck by a striker preferably attached by a tether to the cover. The sections of glass fall down and out through the open bottom to expose said pull lever and allow actuation of the lever.
Decarie Paul
Gowling Lafleur Henderson Llp
LandOfFree
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