Device for holding work in machine tool operations

Details Device for holding work in machine tool operations Device for holding work in machine tool operations

1982-06-09

1984-10-16

Watson, Robert C.

Work holders

Relatively movable jaws

Means to actuate jaw

269235, 269305, B25B 108

Patent

active

044770642

ABSTRACT:
Several versions of a tooling plate clamp are disclosed. Each comprises a retainer pin a circular part of which extends outwardly from the face of the plate. An eccentric clamp body rotates on the circular part of the retainer pin and is held against the face of the plate, or against a spacer, by an overhanging head on the pin. The clamp body can be cylindrical to exert a lateral force on the workpiece or conical so that it exerts lateral and downward forces simultaneously. In one version, the clamp body has an edge which engages the workpiece along a narrow line of contact rather than over a wide area. The clamp body may also be a hold-down clamp with two oppositely directed helical overhanging surfaces.

REFERENCES:
patent: 724116 (1903-03-01), Maley
patent: 924398 (1909-06-01), Stevens
patent: 2394861 (1946-02-01), Le Tourneau
patent: 2430613 (1947-11-01), Hodge
patent: 4157819 (1979-06-01), Meyer

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