Patent ID: 9339675
Filing Date: 2016-05-17
CPC Classification: A62C

Claim Text:
1. A sprinkler head characterized by comprising: a pipe connection portion, one end of which is connected to a fire extinguishing system pipe and the other end of which has a water outlet; a cylindrical frame portion, one end of which is connected to the water outlet and the other end of which has an opening end; and a thermo-sensitive breakup portion which holds a pressing force of a valve body closing the water outlet and has a lever to which a reaction force of the pressing force is applied, wherein the frame portion has a cylindrical wall having an outer circumferential surface protruding outside of the pipe connection portion, and the outer circumferential surface has a curved surface portion, the beam-like portions with which the lever is engaged and having a same radius as the curved surface portions, a planar surface portion formed as a cut-off surface portion, opening portions arranged between the planar surface portion and the beam-like portions.