Patent ID: 6186517
Filing Date: 2001-02-13
Classification: B23Q,B25B,Y10T

Abstract:
A centering and gripping tool for at least one piece to be fixed in position and comprising a through-passage and being suitable for said tool, the tool comprising:a guide member carried at the end of a casing having an upper surface forming an abutment for said piece and gripping members;drive means for driving the gripping members between a centered position in which the gripping members are retracted within the interior of the guide member and a plurality of gripping positions in which the gripping members project outside the guide member and bear on the piece;said drive means being structured and arranged to drive simultaneously pivotally and in translation said gripping members between the centered position and a gripping position;said gripping members comprising two levers articulated about a median axis to form a deformable X;each lever having a first end having abutment means and a second end opposite said abutment means connected to the drive means such that, under the influence of said drive means, said second ends are movable in translation, by moving together or apart, the first ends of said levers being then driven simultaneously in pivoting and in translation because of the deformation of the X formed by said levers.