Patent ID: 7393166
Filing Date: 2008-07-01
Classification: B23B,Y10T

Abstract:
1. In a chuck adapted for connection to a processing machine and comprised of a connecting portion adapted to extend into the processing machine so as to securely engage the processing machine, a head adapted for holding a blade, and a flange sandwiched between the head and the connecting portion thereby defining a gap between the flange and a bottom face of the processing machine, the improvement comprising: a shoulder formed on a top face of the flange portion; an annular pad supported on the shoulder of the flange portion and adapted to be mounted around the connecting portion; and a secondary annular pad mounted on and supported by the shoulder of the flange portion, and sandwiched between the shoulder and the annular pad, whereby a gap between the flange portion and a bottom face of the processing machine is compensated for by existence of the annular pad.