Patent ID: 6199846
Filing Date: 2001-03-13
Classification: B23K,B25B

Abstract:
A power operated clamp comprising:power means for imparting a rotary motion driving force;a drive member operably associated with said power means;a clamp member operably associated with said drive member for moving said clamp member between a clamped position and a released position;adjustable means for converting said rotary motion of said power means into a linear reciprocal motion of said drive member wherein said adjustable converting means comprises means for automatically adjusting the length of said drive member in response to the driving force of said power means and the position of said clamp member;said automatic adjusting means comprises:said drive member having a telescopic portion telescopically movable along a longitudinal axis between an extended position and a contracted position;a positive stop for limiting the telescopic movement of said telescopic portion between said extended position and said contracted position; andat least one spring biasing said telescopic portion toward said extended position.