Patent ID: 6206382
Filing Date: 2001-03-27
Classification: B23B,Y10T

Abstract:
An equalizing power chuck comprising:a body;a plurality of work engaging jaws;a plurality of rocker arms carrying said jaws, said rocker arms extending axially along an axis, said rocker arms having a mounting portion at one axial end for said jaws and an end portion at the other axial end;a plurality of swivel mountings connecting said rocker arms to said body;a plurality of slide members receiving said end portions of said rocker arms;a reciprocal actuator disposed centrally of said rocker arms; anda plurality of carrier members pivotally secured to said actuator, each of said carrier members operatively cooperating with a pair of said slide members such that reciprocatory movement of said actuator moves said carrier members and correspondingly said slide members to move pairs of said jaws simultaneously relative to each other to engage work-piece therebetween and allows the pairs of said jaws to pivot until a pressure exerted on the work-piece by said work engaging jaws is equalized.