Sprinkler head having a plurality of supporting legs

Details Sprinkler head having a plurality of supporting legs Sprinkler head having a plurality of supporting legs

1978-11-22

1980-10-21

Spar, Robert J.

Fire extinguishers

Special applications

Condition responsive control

169 40, A62C 3708

Patent

active

042288592

ABSTRACT:
A sprinkler head adapted to jet water or fire extinguishing liquid with its valve automatically detached when the room temperature is raised to such extent that there is a danger of the outbreak of a fire or when the room temperature is raised due to the outbreak of a fire in a room inside a general building, wherein a water discharge valve seat is provided in the lower center of a discoidal body, a plurality of supporting legs being formed on the outside or both sides of the valve seat, the valve held in contact with the valve seat being sustained by a heat sensitive sustaining unit comprising a plurality of levers engaged with receivers of the supporting legs, a fusible member and the like, a deflector having a multiplicity of sprinkling outlets being mounted on the lower part of the discoidal body.

REFERENCES:
patent: 531228 (1884-12-01), Storer
patent: 2389332 (1945-11-01), Tyden
patent: 2502755 (1950-04-01), Rowley
patent: 2553726 (1951-05-01), Rowley
patent: 3525402 (1970-08-01), Hattori
patent: 3716103 (1973-02-01), Tanaka et al.

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