Patent ID: 7930810
Filing Date: 2011-04-26
Classification: B21J,B29C,F16B,Y10T

Abstract:
1. A combination comprising a rivet fastening air tool and rivets, wherein each of the rivets comprises: a female member including a base portion, a leg portion extending from the base portion, the leg portion being adapted to be inserted in an attachment bore and bent on a rear face side of the attachment bore, and a communicating bore communicated from the base portion to the leg portion; and a male member including a head portion, and a shaft portion extending from the head portion, said shaft portion being held in the communicating bore to be able to pull outwardly from the female member so that the leg portion expands outwardly, said rivets being attached together to form a rivet row by connecting adjacent head portions through fragile portions such that the leg portions face a same direction, and wherein said rivet fasting air tool comprises: a supplying portion for receiving the rivet raw; a supplying actuator situated adjacent the supplying portion, the supplying actuator tearing off the fragile portion of a front-row rivet of the rivet row, and supplying it in a loaded position of the tool; an implanting actuator situated adjacent the supplying actuator, the implanting actuator holding the head portion of the rivet supplied in the loaded position, and moving the male member of the rivet in a direction of pulling the male member from the communicating bore of female member of the rivet; an air supply device having an air supply route which reaches the supplying actuator, and a switching valve provided in the air supply route, wherein when the head portion of the rivet is moved in the direction of being pulled out, the switching valve is switched by the implanting actuator so that the supplying actuator is returned.