G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 5/22 (2006.01) G08B 3/10 (2006.01) G08B 29/10 (2006.01)
Patent
CA 2178971
An improved retractable tamper resistant annunciator that can be mounted flush in a supporting structure is described. The annunciator mechanism includes a housing that has an actuatable cover. Signaling devices are enclosed within the housing, and can be selectively actuated when the cover is opened. A mechanism to open and close the cover to expose the signaling devices or to cover the signaling devices include a reversible motor structure. Alternative mechanisms to open and close the cover include biasing, structures to move the cover in a first direction and an electrical device to move the cover in a second direction
Gow Thomas W.
Miltons Ip/p.i.
LandOfFree
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