Work holders – Relatively movable jaws – Three coacting work grippers
Patent
1978-12-26
1980-05-06
Watson, Robert C.
Work holders
Relatively movable jaws
Three coacting work grippers
269164, 269321N, 409903, B25B 120
Patent
active
042013763
ABSTRACT:
An adjustable clamp for a V-block comprises an integral piece forming two legs, joined together at an acute angle and each having a free end. A first threaded hole is formed through said means on an axis at least approximately bisecting the acute angle. A first externally threaded elongated member extends through the first hole and has its threads engaged by the threads of the first hole. A respective slot is formed in each of the two legs. A respective block is slidably received in each of the slots. Respective second and third threaded holes are formed through the blocks each on an axis at least approximately intersecting the axis of the first hole at points within the acute angle and within an imaginary line extending between the tips of the legs regardless of the position of the blocks in the slots. Respective second and third externally threaded elongated members extend through the second and third holes and have their threads engaged by the threads of the second and third holes.
REFERENCES:
patent: 1587682 (1926-06-01), Siegfried et al.
patent: 2455024 (1948-11-01), Schneider
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