Patent ID: 6923265

Claim:
An automatic fire sprinkler device for fluidly connecting to a water system of an automatic fire sprinkler, the device comprising: (a) a housing having an inlet for fluidly connecting with the water system, and an outlet; (b) a plug, operatively associated with said housing, said plug having a stand-by position and an activated position, wherein the device is designed and configured such that in said stand-by position, said plug is positioned to obstruct a flow of said water from the water system, and such that in said activated position, said plug is positioned to allow said flow of water to flow from the water system to a discharge unit; (c) a thermally sensitive element, responsive to a pre-determined temperature and operatively connected to said plug, said thermally sensitive element for triggering said plug into said activated position when a temperature of an environment reaches said pre-determined temperature, so as to allow said flow of said water; and (d) a hinge mechanism, associated with said plug, said hinge mechanism for enabling said plug to move from said stand-by position to said activated position.