Patent ID: 6889774

Claim:
A horizontal sprinkler head for use in fire protection sprinkler systems for metal buildings comprising: a sprinkler body adapted to be connected to a water supply line and having a passage with an orifice; a deflector arrangement supported from the sprinkler body in horizontally spaced relation to the orifice; the deflector arrangement including a vertical part disposed in line with the sprinkler orifice and a hood-shaped part located above and supported from the vertical part; the hood-shaped part including a horizontal roof portion, two side wall portions extending downwardly from opposite sides of the roof portion at angles to the vertical, and a front wall portion extending downwardly from the front of the roof portion at an angle to the vertical; and the vertical part including a lower portion inclined at an angle to the vertical in the direction away from the sprinkler orifice, a horizontally extending opening above the sprinkler axis between spaced arm portions supporting the hood-shaped part, and a vertical projection extending upwardly into the horizontally extending opening.