Patent ID: 8152174
Filing Date: 2012-04-10
Classification: B23B,B23Q,Y10T

Abstract:
1. A quick chucking unit comprising: a basic body defining a chuck receptacle; at least one chucking element disposed at said chuck receptacle to move between a latched and unlatched position; a piston element fixed in place relative to said basic body; a cylinder element disposed between said piston element and said basic body, said cylinder element structured, disposed and dimensioned to move relative to said basic body and said piston element; and a pressure means pressurizing a pressure region at which both said piston element and said cylinder element border, wherein said chucking element is moved into said latched or unlatched position in response to pressurizing said pressure region, said cylinder element being situated on said piston element so that it can shift axially and is coupled to said chucking element for radial movement thereof, wherein said chucking element does not cooperate with said piston element.