Device for holding a workpiece to be machined in a specific posi

Details Device for holding a workpiece to be machined in a specific posi Device for holding a workpiece to be machined in a specific posi

1980-02-20

1981-10-20

Watson, Robert C.

Work holders

Relatively movable jaws

With means for 'hold-down' component of force

269138, 269253, 269285, B23Q 300

Patent

active

042956412

ABSTRACT:
This clamping device comprises a fixed jaw and a movable jaw sliding on the body of the fixed jaw; it comprises furthermore a structure for receiving the reactions of the stresses exerted on the fixed and movable jaws, this structure having for this purpose a front part against which the fixed jaw bears and a rear part having therethrough a tapped orifice in which the threaded portion of the clamping screw of the movable jaw is meshingly engaged; the front part and the rear part of this structure are each formed by a flange, and these two flanges are connected to one another, in the central part thereof, by means of at least one stay-rod, parallel to the clamping screw, and in the lower part thereof opposite that where the clamping screw is located by at least one compression bar.

REFERENCES:
patent: 2880638 (1959-04-01), Muggli et al.
patent: 3312461 (1967-04-01), Copron
patent: 3397880 (1968-08-01), Kuban
patent: 4221369 (1980-09-01), Takasugi
patent: 4223879 (1980-09-01), Wolfe et al.

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