Step block

Details Step block Step block

1984-02-09

1985-12-17

Watson, Robert C.

Work holders

Relatively movable jaws

Clamp couple element with fastening means

B23Q 300

Patent

active

045588546

ABSTRACT:
A step block supports the clamp arm of a clamp which is used to hold a workpiece to be machined. The step block has a generally right angled triangular configuration and has a saw-teeth portion on the inclined side. Each tooth of the saw-teeth portion is inclined upwards and outwards to positively support a complementary saw-teeth portion of the clamp arm. To provide a self-standing property to the step block, at least one permanent magnet and at least two yokes, interposing the permanent magnet between them and making contact with it, are received in a recess formed in a base surface of the step block, with the outer surfaces of the yokes being coplanar with the base surface.

REFERENCES:
patent: 932286 (1909-08-01), Jones
patent: 1084352 (1914-01-01), Matthews et al.
patent: 1462101 (1923-07-01), Colson
patent: 2758514 (1956-08-01), Cadwallader
patent: 3105330 (1963-10-01), Grage
patent: 3439416 (1969-04-01), Yando
patent: 3711929 (1973-01-01), Blakey et al.
patent: 3830484 (1974-08-01), Bright et al.
patent: 3850421 (1974-11-01), Orris

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