Patent ID: 6619644
Filing Date: 2003-09-16
Classification: B25B

Abstract:
A vise, comprising:a screw rod provided with external threads; an adjustable jaw and a fixed jaw; a pair of guide rails extended through said adjustable and said fixed jaw to parallelly locate at two sides of said screw rod; and a cam sleeve movably mounted in said adjustable jaw around said screw rod; said adjustable jaw being internally provided at predetermined positions with two substantially opposite shafts that inward extend from two sides of said adjustable jaw toward said cam sleeve; and said cam sleeve being provided on an outer peripheral surface at two opposite positions with two outward projected arms, and at a central portion with a cam-shaped bore; said bore being sized to be slightly larger than an outer diameter of said screw rod to allow said screw rod to extend through said cam sleeve to move in said cam-shaped bore.