Importance

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Abstract

An automatic sidewall sprinkler includes a body, a deflector, a closure member, and a trigger. The deflector is movably mounted between a retracted position wherein at least a portion of the deflector is recessed within the body and an extended position for dispersing pressurized fluid. The deflector includes at least two horizontal deflecting surfaces for directing the fluid outwardly and downwardly from the sprinkler. The trigger applies a biasing force to urge the deflector in the retracted position and to urge the closure member to close the outlet. Upon detecting a temperature associated with a fire, the trigger releases the biasing force whereby the pressurized fluid moves the closure member off the outlet and moves the deflector to the extended position. Preferably, the trigger includes an ejector member which urges the trigger to eject outwardly from the body to improve release of the trigger from the sprinkler.

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First Claim