Patent ID: 9108286
Filing Date: 2015-08-18
Classification: B23B,B23Q,Y10T

Abstract:
1. A clamping device for a tool or a workpiece, comprising at least one chuck and at least one holder for the workpiece or the tool, wherein the holder has an upper part and a hollow tubular extension, and the upper part is detachably connected to the hollow tubular extension such that the hollow tubular extension remains hollow when connected to the upper part, wherein the upper part defines a flat upper surface for the tool or the workpiece, wherein the chuck defines a circular opening for receiving the hollow tubular extension of the upper part, and wherein the detachable connection of the upper part of the holder to the hollow tubular extension is a bayonet connection, whereby the bayonet connection is designed to lessen or eliminate undesirable lateral forces during clamping, wherein the at least one chuck has x-y references and z references which, in clamping operation, cooperate with corresponding means of the holder.