Fire alarm

Details Fire alarm Fire alarm

G - Physics

08

B

G08B 17/00 (2006.01) G08B 17/113 (2006.01)

Patent

CA 2117212

Abstract A fire alarm that includes an alarm insert and a mounting and in which, in the inserted condition, the alarm insert fully masks the mounting. The alarm insert has a movable closure device, preferably a ring, by which the alarm insert is mechanically arrested relative to the mounting. Marking elements are provided on the alarm insert which marking elements permit the correct final position of the alarm insert, in relation to the mounting, to be checked.

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