Manually operated clamp effort intensifier for vise

Details Manually operated clamp effort intensifier for vise Manually operated clamp effort intensifier for vise

1980-02-14

1981-11-10

Watson, Robert C.

Work holders

Relatively movable jaws

With means for 'hold-down' component of force

269138, 269221, 269224, 269236, 269244, B23Q 302

Patent

active

042993776

ABSTRACT:
A clamp effort intensifier that multiplies the manual effort used for clamping vise jaws onto a workpiece through the use of a cam that actuates the vise jaws together to provide adequate clamping forces while substantially reducing the manual effort necessary to achieve a safe clamp force. The effort intensifier acts to load the vise jaw through a heavy spring which deflects as the jaws are loaded. The amount of deflection can be used to indicate the clamping force exerted on the jaws. An interlock to the machine tool used will prevent operation of the tool until the clamp force exceeds a desired level.

REFERENCES:
patent: 63929 (1867-04-01), Morse
patent: 1406901 (1922-02-01), Rocher
patent: 2565965 (1951-08-01), Hartmann
patent: 2692520 (1954-10-01), Hayes
patent: 2818786 (1958-01-01), Hammer
patent: 3397880 (1968-08-01), Kuban
patent: 4043547 (1977-08-01), Glomb et al.
patent: 4098500 (1978-07-01), Lenz
Kurt Manufacturing Company Catalog V-101, PAI-3-79, pp. 10-11.

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