Patent ID: 6739170
Filing Date: 2004-05-25
Classification: B21J,Y10T

Abstract:
An offset nose assembly for installing fasteners comprising:a drawbar having a first diameter portion, a second diameter portion, a third diameter portion and threads disposed at a rearward end of the drawbar, the first diameter portion having an enlarged bearing head and a diameter greater than the second diameter portion, the second diameter portion having a diameter greater than the third diameter portion and transitioning from the first diameter portion by a shoulder, the third diameter portion transitioning from the second diameter portion by a chamfer, the chamfer being of a preselected angle that is adapted to positively engage a chamfer of a preselected angle of a piston of a fastener installation tool; a swage anvil having a swage cavity, a first aperture and a second aperture, the first aperture being adapted to receive a portion of the first diameter portion of the drawbar; a collet having a first bore and a second bore, the first bore being adapted to receive a chuck jaw assembly for grippingly engaging fasteners, the second bore being adapted to receive the second diameter portion of the drawbar, the collet being slidably disposed within the swage anvil; and the drawbar having a portion of the first diameter portion slidably disposed within the first aperture, the second diameter portion slidably disposed within the second bore of the collet and the third diameter portion passing through the second aperture of the swage anvil.