Fire sprinkler apparatus
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United States of America Patent
Stats
-
Mar 10, 1992
Grant Date -
N/A
app pub date -
Dec 12, 1989
filing date -
Dec 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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