Patent ID: 7232052

Claim:
A structure of an inner head housing of a nailer, said inner head housing being placed between a top end of a cylinder of the nailer and a nail tip cover, said inner head housing comprising: a fixed liner ring, placed inside a containment space in said nail tip cover, said fixed liner ring having a slot on an inside thereof, and a through ring hole placed on top center of said slot, a top end of said through ring hole has an exhaust channel interconnected with an exhaust flow of said nail tip cover, said exhaust channel being front side exhaust, a side of said slot having an air hole interconnected with a controlled air channel via said nail tip cover; a movable base, being slidable and placed in the slot of said fixed liner ring, said movable base having an air-resisting ring on an outside thereof and pushed against said slot, air being sealed when sliding, and a protruding tube placed in a center of said movable base and placed inside said through ring hole of said fixed liner ring; and a resilient component, being a spring and being placed between said protruding tube of said movable base and said nail cover, said movable base pushing towards said cylinder.