Hydraulic clamp with inclined direct operated clamping-member

Details Hydraulic clamp with inclined direct operated clamping-member Hydraulic clamp with inclined direct operated clamping-member

1990-11-30

1991-12-10

Watson, Robert C.

Work holders

Relatively movable jaws

With means for 'hold-down' component of force

B23Q 308

Patent

active

050711091

ABSTRACT:
A hydraulic clamp includes an inclined direct operated clamping member, a cylinder bore formed in a housing in such an inclined manner as forwardly descending, a piston inserted into the cylinder bore, a clamping actuation hydraulic chamber formed behind the piston within the cylinder bore, and a clamping member forwardly protruding from the upper portion of the front end of the piston. A spring accommodation recess is formed so as to extend rearward from the piston front end, and a spring retainer is supported by the housing in front of the piston. An unclamping spring is installed between the spring retainer and a spring retaining seat formed in the rearward most portion of the spring accommodation recess.

REFERENCES:
patent: 2987972 (1961-06-01), Schneider
patent: 3595112 (1971-07-01), De George et al.
patent: 4830349 (1989-05-01), Miyata

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