Work holders – Relatively movable jaws – Convertible to other type or form of holder
Patent
1979-03-28
1981-12-08
Watson, Robert C.
Work holders
Relatively movable jaws
Convertible to other type or form of holder
269 93, B25B 110
Patent
active
043043992
ABSTRACT:
Workpiece clamp for use on the table of a machine tool, provided with an inverted T-shaped slot, the clamp consisting of a main body which overlies the table and is telescopingly mounted for vertical sliding motion on a base slidable in the T-shaped slot. The main body and the base are each provided with a horizontal extension. The horizontal extensions are vertically aligned for clamping a workpiece between the horizontal extension of the main body and the table. Apparatus are provided for locking the main body on the base in a plurality of relative vertical positions.
REFERENCES:
patent: 928657 (1909-07-01), Howell
patent: 1026475 (1912-05-01), Tarbuck
patent: 1382400 (1921-07-01), Ross
patent: 2203162 (1940-06-01), Lee
patent: 3425681 (1969-02-01), Wing
patent: 3441264 (1969-04-01), De Gaston
Bermer Tool & Die, Inc.
Blodgett Gerry A.
Blodgett Norman S.
Watson Robert C.
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