Patent ID: 9132305
Filing Date: 2015-09-15
Classification: A62C,B05B

Abstract:
1. A fire protection sprinkler, comprising: a sprinkler body having a fluid passage extending therethrough, said fluid passage having an inlet end and an outlet end; a plug member disposed in said fluid passage; a heat responsive unit releasably securing said plug member in said fluid passage; a pair of frame arms extending from said sprinkler body; and a deflector mounted to said pair of frame arms, said deflector including a peripheral edge including a plurality of open ended slots extending radially inward from and opening to said peripheral edge, said plurality of open ended slots including a first pair of open ended slots directly aligned in a first plane with said pair of frame arms and having a first length and a second pair of open ended slots in a second plane directly orthogonal to said pair of frame arms and passing through a center of said deflector, said second pair of open ended slots having a second length (L