Work-clamping unit for use in machine tools

Details Work-clamping unit for use in machine tools Work-clamping unit for use in machine tools

1981-11-18

1984-05-01

Watson, Robert C.

Work holders

With fluid means

269 93, 269900, B23Q 700

Patent

active

044456751

ABSTRACT:
A work-clamping unit includes a base plate in which hydraulic cylinders are totally embedded, each cylinder including a piston vertically movable beneath the top surface of the base plate, the piston being adapted to carry a clamping member detachably connected thereto so as to transmit a clamping force from the piston to the clamping member, the base plate additionally including an oil path for feeding hydraulic pressure to each of the cylinders.

REFERENCES:
patent: 2421957 (1947-06-01), Mead
patent: 3700227 (1972-10-01), Sessody
patent: 3830485 (1974-08-01), Mickelsson et al.
patent: 4174828 (1979-11-01), Bergman
patent: 4179106 (1979-12-01), Bergman
patent: 4275983 (1981-06-01), Bergman
patent: 4286778 (1981-09-01), Follmeyer

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