Single blade damper for fire, smoke and air control

Details Single blade damper for fire, smoke and air control Single blade damper for fire, smoke and air control

A - Human Necessities

62

C

137/4.5

A62C 37/12 (2006.01)

Patent

CA 1180630

Abstract of the Disclosure A control damper comprising a frame adapted for placement in a duct; a blade having a planar face and centrally disposed hinge capable of mating with mounting brackets attached to the frame, so that the blade is free to rotate within the frame; a spring extending between the frame and the face of the blade; and a series combination cable and fusible link assembly extending between the frame and the opposite side of the same face of the blade to which the spring is attached. -13-

404058

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