Fire sprinkler apparatus

Details Fire sprinkler apparatus Fire sprinkler apparatus

1989-12-12

1992-03-10

Peters, Jr., Joseph F.

Fire extinguishers

Sprinkler heads

Direct support

169 19, 169 37, 169 38, A62C 3708

Patent

active

050942980

ABSTRACT:
A fire sprinkler apparatus comprises a tubular body, a valve and a locking mechanism, the tubular body having a longitudinal axis and a conduit extending therethrough and being connectable to a supply of pressurized fire extinguishing fluid. The conduit has an annular groove proximate the outlet end of the tubular body, the valve forming a fluid-tight seal proximate the outlet end in a closed position and being completely separable from the fire sprinkler apparatus. The locking mechanism being supported by the tubular body for limited movement between an engaged position and a disengaged position, the locking mechanism comprising a housing, a plurality of locking balls moveable toward and away from the annular groove, a locking disc and temperature responsive means.

REFERENCES:
patent: 3714989 (1973-02-01), Gloeckler
patent: 3802510 (1974-04-01), Johnson
patent: 3848676 (1974-11-01), Doherty, Jr.
patent: 4015665 (1977-04-01), Simons et al.
patent: 4465141 (1984-08-01), Johnson
patent: 4491182 (1985-01-01), Pieczykolan
patent: 4508175 (1985-04-01), Pieczykolan
patent: 4618002 (1986-10-01), Mears
patent: 4766961 (1988-08-01), Macie

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