Patent ID: 8573316
Filing Date: 2013-11-05
Classification: A62C

Abstract:
1. A horizontal sidewall sprinkler including: a body having an output orifice and a flange, the body having an axis in an output direction, wherein the body is constructed to be fluidly coupled in a wall to a fluid supply; a seal cap to seal a flow of fluid from the output orifice; a thermally-responsive element positioned to releasably retain the seal cap at a first predetermined temperature; a plurality of housing members extending from the flange; a plurality of rods, each rod slidably contained within one of the housing members and extending into the flange; and a deflector connected to ends of the rods, the deflector comprised of a first surface extending in a direction transverse to the rods and a second surface connected to the first surface, the second surface extending in a direction parallel to a plane passing through the rods, wherein a majority of the second surface is rearwardly positioned with respect to the first surface, wherein each of the rods comprises at least one cylindrical portion and at least one frustoconical portion, and each of the housing members comprises at least one cylindrical portion and at least one frustoconical portion, and wherein at least one frustoconical portion of the rod lodges in at least one frustoconical portion of the housing member, and wherein the second surface of the deflector extends beyond the first surface in the output direction a predetermined distance, wherein when the sprinkler is fluidly coupled, the thermally-responsive element and the deflector are recessed completely behind the surface of the wall.