Patent ID: 6641128
Filing Date: 2003-11-04
Classification: B23Q,Y10T

Abstract:
A clamping apparatus, comprising:a clamping chuck; a work piece carrier adapted to be releasably connected to said clamping chuck; said work piece carrier having a flat bottom surface and comprising a clamping pin protruding from said flat bottom surface; said clamping chuck comprising a central opening for receiving said clamping pin of said work piece carrier, said central opening having a conical inserting portion; said clamping chuck further comprising a clamping mechanism for clampingly fixing said clamping pin of said work piece carrier in said central opening; said clamping pin comprising a rear section adjacent to said flat bottom surface of said work piece carrier having several exposed surface portions adapted to engage said conical inserting portion of said central opening for aligning the position of said clamping pin in X- and/or in Y-direction; and said clamping chuck having gas outlet openings located in said conical inserting portion of said central opening for blowing a gaseous medium against said exposed surface portions to thereby clean the surfaces thereof upon inserting said clamping pin into said central opening of said clamping chuck.