Work holders – Holder mounted for movement – With indexing steps
Patent
1998-08-28
2000-03-07
Watson, Robert C.
Work holders
Holder mounted for movement
With indexing steps
269 71, B25B 122
Patent
active
060329386
ABSTRACT:
A carver's vise for holding a workpiece to be carved includes a base mounted to a workbench, a clamp mechanism, a mounting plate, and a mounting plate shaft clamped to a base connector by the clamp mechanism. The base includes an angled portion that extends upwardly from a rear of the base to a point near the front of the base closer to the user. The clamp mechanism includes a clamp head holding the mounting plate shaft against the base connector, a clamp shaft located in a bore of the base connector, and a handle that tightens or releases the clamp from the base connector. When the handle releases the clamp head, the mounting plate is free to rotate about the clamp shaft. Grooves in the base connector and an O-ring allow the mounting plate to rotate in discrete angular increments. The mounting plate may also rotate about the clamp shaft and move back and forth through the clamp head.
REFERENCES:
patent: 530427 (1894-12-01), Kendig
patent: 1305321 (1919-06-01), Tooker
patent: 1392130 (1921-09-01), Engstrom et al.
patent: 1529251 (1925-03-01), Hansen
patent: 1611305 (1926-12-01), Ellwood
patent: 3881888 (1975-05-01), Schwab
patent: 4500077 (1985-02-01), Coxon
patent: 4502457 (1985-03-01), Marron
Two (2) photographs of R.T.F. Designs, Ltd. Vise. (admitted prior art).
Four(4) photographs of Record Carver's Vise. (admitted prior art).
Lee Valley Tools Ltd.
Pratt John S.
Watson Robert C.
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