Patent ID: 6425584
Filing Date: 2002-07-30
Classification: B23B,Y10T

Abstract:
A sliding jaw chuck assembly comprising:a sliding jaw subassembly including: a body having a central longitudinal axis; a plurality of slides supported for radial motion on said body, each of said slides having a jaw member, a bridge extending from said jaw member through said central longitudinal axis of said body and a counterweight disposed on an end of said bridge opposite said jaw member; a draw spool supported for axial motion in said body; an actuation mechanism operably coupling said draw spool and said plurality of slides, wherein axial motion of said draw spool generates sliding motion of said plurality of slides such that said jaw members are moveable between an open position and an closed position; and a chuck housing enclosing said sliding jaw subassembly, said chuck housing including a front face having a plurality of radial slots formed therein such that a corresponding jaw member extends therethrough, and a rear face having an opening formed therein such that said draw spool extends into said opening.