Patent ID: 6540217
Filing Date: 2003-04-01
Classification: B25B

Abstract:
A clamp apparatus comprising:a body; a driving mechanism for displacing a rod member provided at the inside of said body in an axial direction of said body; a toggle link mechanism including a link member connected to said rod member and a support lever linked to said link member, for converting rectilinear motion of said rod member into rotary motion; an arm connected to said toggle link mechanism, for making rotation by a predetermined angle in accordance with a driving action of said driving mechanism; a long hole formed for said link member, for being engaged with a knuckle pin provided on a first end side of said rod member; and a fastening mechanism formed with a fastening surface for regulating a rotary action of said support lever, wherein said fastening mechanism is composed of a lever stopper, and a rotary action of said arm is regulated at an initial position in an unclamping state by allowing a side surface of said support lever to abut against said fastening surface of said lever stopper.