Patent ID: 6962208

Claim:
A sprinkler head for a fire extinguishing system comprising: a sprinkler body having an orifice, said orifice defining an inlet and an outlet; a body extension attached to said sprinkler body and having an extending section extending below said outlet of said sprinkler body; a retaining member positioned below said outlet and within said body extension, said retaining member mounted to be movable relative to said body extension and said sprinkler body, said extending section of said body extension being formed with an inwardly extending member, said inwardly extending member halting movement of said retaining member when said sprinkler is activated; a deflector movable between an activated position and a storage position within said body extension and having at least one support arm projecting therefrom, said retaining member coupled to said at least one support arm at a fixed distance from said deflector, said support arm movably disposed within said body extension and having generally larger shaped middle section, wherein said deflector and said retaining member are positioned within said body extension when in said storage position; a sealing assembly configured to sealingly engage said outlet of said sprinkler body, said sealing assembly movable from a closed position wherein said sprinkler head is inactive to an open position wherein said sprinkler head is activated; and a trigger assembly carried by said body extension and operably connected with said sealing assembly and said deflector.