Patent ID: 8087467

Claim:
A sprinkler head for a fire extinguishing system comprising: a sprinkler body having an orifice, said orifice having an inlet and an outlet; a deflector support assembly at least partially positioned within said orifice; a movable deflector supported by said deflector support assembly and positioned in proximity to said outlet; a sealing member positioned within said orifice, said sealing member releasably sealing said orifice; a movable compression member slidably movable through said movable deflector, said compression member releasably securing said sealing member in a closed position; and a trigger assembly carried by said sprinkler body, said trigger assembly configured to maintain said movable deflector and said movable compression member in a closed position, and when said trigger assembly is activated, said trigger assembly permits said movable deflector to move away from said sprinkler body and said movable compression member to slide through said movable deflector.