Patent ID: 7597035

Claim:
A steady rest ( 1 ) for clamping of rod-shaped workpieces ( 10 ) of a circular configuration on a lathe with three holding elements ( 5 , 6 , 7 ) arranged in a plane and provided with rollers, of which two outer holding elements ( 6 , 7 ) can be swivelled about articulated pins ( 8 , 9 ) mounted in a housing ( 2 ) and a middle holding element ( 5 ) is adjustable in a straight line in relation to the workpiece ( 10 ), with a chip protection cap ( 11 , 12 ) provided with one or more outlet ducts ( 14 , 16 ), attached to at least one of the outer holding elements ( 6 , 7 ), the outlet ducts being adapted to supply a cooling or rinsing agent in a controlled fashion via holding element ducts ( 13 , 15 ) in the holding elements ( 6 , 7 ) for application of the agent onto the workpiece ( 10 ), wherein each of the holding element ducts ( 13 , 15 ) is connected directly to a housing duct ( 25 ) running in a selected one of the housing ( 2 ) of the steady rest ( 1 ) or in a cover ( 3 ) of the housing ( 2 ) by means of an opening ( 21 , 22 ) that runs concentrically to the articulated pins ( 8 , 9 ) of the holding elements ( 6 or 7 ) and has a kidney-shaped profile and is sealed laterally.