Patent ID: 7762560
Filing Date: 2010-07-27
Classification: B23B,Y10T

Abstract:
1. A clamping chuck, having a chuck body ( 1 ) and clamping jaws ( 3 ) that are arranged shiftably in radial jaw guides ( 2 ) of the chuck body ( 1 ), pockets ( 10 ) in which conveying elements ( 9 ) are guided in radially movable fashion being embodied in the chuck body ( 1 ), and means being provided for pumping lubricant that collects in the pockets ( 10 ) into lubricating orifices ( 27 ), and through the latter to desired lubrication points, by way of the radial motion of the conveying elements ( 9 ), wherein there is provided in each pocket ( the pump piston ( a first nonreturn valve ( the piston space (