Bending machine

Details Bending machine Bending machine

B - Operations, Transporting

21

D

138/39

B21D 7/024 (2006.01) B21D 7/02 (2006.01) B21D 7/12 (2006.01) B21F 1/00 (2006.01) B21F 35/00 (2006.01) F16L 27/087 (2006.01) F16L 39/00 (2006.01)

Patent

CA 1287785

ABSTRACT OF THE DISCLOSURE A bending machine having a rotary bending head to which fluid pressure is transmitted via a fluid flow of fluid pressure transmission device comprising a fixed block and a rotary shaft mounted in relation to the fixed block so as to be rotatable relative thereto. The fixed block has at least one passageway through it extending to the rotary shaft, and the rotary shaft has at least one annular groove in registration with the fixed block passageway and at least one axially extending passageway in communication with the annular groove. As a result, the axial passageway is in communication with the fixed block passageway independently of the angular position of the rotary shaft relative to the fixed block.

536341

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