Nose assembly

Claim 1

APPARATUS FOR SETTING A FASTENER INCLUDING A PIN AND A SLEEVE BY PROVIDING AN AXIAL FORCE RELATIVE TO THE PIN AND THE SLEEVE COMPRISING A GENERALLY TUBULAR ANVIL MEMBER HAVING A PORTION FOR ENGAGING THE SLEEVE, A GENERALLY TUBULAR COLLET MEMBER SLIDABLY DISPOSED WITHIN SAID ANVIL MEMBER AND BEING MOVABLE AXIALLY RELATIVE TO SAID ANVIL MEMBER AND HAVING A FORWARD PORTION WITH AN AXIAL BORE TAPERED RADIALLY OUTWARDLY AND AXIALLY INWARDLY AT A PREDETERMINED ANGLE OF INCLINATION, A CHUCK JAW ASSEMBLY COMPRISING A PLURALITY OF RADIALLY DISPOSED CHUCK JAW MEMBERS MOVABLE TO AND FROM AN OPENED AND CLOSED POSITION RESPONSIVELY TO AXIAL MOVEMENT OF SAID COLLET MEMBER AND HAVING A FRUSTO CONICALLY SHAPED FORWARD PORTION WITH AN ANGLE OF INCLINATION SUBSTANTIALLY EQUAL TO SAID PREDETERMINED ANGLE OF INCLINATION OF SAID TAPERED BORE, SAID CHUCK JAW ASSEMBLY HAVING SAID FRUSTO CONICALLY SHAPED PORTION MATABLY DISPOSED IN SAID TAPERED BORE WHEREBY AXIAL MOVEMENT OF SAID COLLET MEMBER IN ONE DIRECTION IMPARTS RADIALLY INWARDLY AND AXIALLY REARWARDLY DIRECTED COMPONENTS OF FORCE TO SAID CHUCK JAW MEMBERS, SAID CHUCK JAW ASSEMBLY HAVING A RADIALLY INWARDLY EXTENDING TOOTH PERIPHERALLY DISPOSED AT THE OUTER END OF SAID FRUSTO CONICALLY SHAPED PORTION, SAID PREDETERMINED ANGLE OF INCLINATION HAVING A MAGNITUDE TO PROVIDE SAID RADIALLY AND AXIALLY DIRECTED COMPONENTS OF FORCE IN RELATIVE MAGNITUDES TO CAUSE SAID CHUCK JAW MEMBERS TO MOVE TO SAID CLOSED POSITION AND HENCE SAID TOOTH TO MOVE RADIALY INWARDLY INTO THE SURFACE OF THE PIN OF THE FASTENER TO FORM A COMBINED PULLING AND BREAKNECK GROOVE RESPONSIVELY TO AXIALLY REARWARD MOVEMENT OF SAID COLLET, AND MEANS FOR APPLYING AN AXIAL FORCE THROUGH SAID COMBINED PULLING AND BREAKNECK GROOVE RELATIVE TO SAID COLLET AND SAID ANVIL AND FOR MOVING SAID COLLET AXIALLY RELATIVE TO SAID ANVIL.