Patent ID: 7082657
Filing Date: 2006-08-01
Classification: B21J,Y10T

Abstract:
1. An automatic suction and repelling device for a rivet pin in a rivet gun comprising: a) a body mounted on a support frame connected to a handle of the rivet gun and having: b) a pull rod assembly located on a first end of the body; c) a regulation ring having: d) a guide sleeve located in the center hole of the regulation ring and having an elongated ring-shaped groove and a first ventilation hole communicating with the elongated ring-shaped groove and the inner cylindrical hole of the body; e) a used-nail cylinder, the regulation ring and the used-nail cylinder are located on a second end of the body, the nail-repelling pipe extending into an interior of the used-nail cylinder; f) a piston-pulling rod inserted into the inner cylindrical hole of the body and having: wherein pressurized air selectively flows through intake passage, the at least one body hole, the inner cylindrical hole, the first ventilation hole, the elongated ring-shaped groove, the second ventilation hole, and the convergent hole creating a vacuum suction force pulling a pull rod of the rivet pin into the used-nail cylinder.