Work holders – Holder mounted for movement – With plural means for changing holder positions
Patent
1979-09-24
1981-06-30
Watson, Robert C.
Work holders
Holder mounted for movement
With plural means for changing holder positions
269 77, 269315, 403385, 403389, 403399, B23Q 300
Patent
active
042758726
ABSTRACT:
A clamping apparatus is provided which is adapted to selectively secure two elongate members in a predetermined positional relationship. The apparatus includes a U-shaped clamping block, with an opening receiving a mounting post therethrough. A second opening extends through the arms of the clamping block, and a bolt-like clamping member is disposed through the second opening and has a knob threadedly positioned thereon. The head of the clamping member is slotted and includes a third opening receiving a stop rod therethrough. Also, cooperating frusto-conical surfaces are provided in the second opening of the clamping block and adjacent the head of the clamping member, whereby the tightening of the knob on the clamping member serves to concurrently clamp the post in the opening of the clamping block and the rod in the opening in the head of the clamping member.
REFERENCES:
patent: 1239233 (1917-09-01), Trowbridge
patent: 2267583 (1941-12-01), Carroll
patent: 2456003 (1948-12-01), Knutson
patent: 2709565 (1955-05-01), Tovsignant
patent: 2817546 (1957-12-01), Benes
patent: 3096109 (1963-07-01), Callahan
patent: 3581354 (1971-06-01), Usiskin
patent: 3827686 (1974-08-01), Storkh
patent: 4030718 (1977-06-01), Philipoff
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