Work holders – Holder inserted within work aperture – Inserted holder movable relative to work backup
Patent
1981-11-09
1984-05-08
Watson, Robert C.
Work holders
Holder inserted within work aperture
Inserted holder movable relative to work backup
B25B 514
Patent
active
044470509
ABSTRACT:
A wood, or the like, kerf chuck of two substantially identical pieces are disposed parallel to each other for clamping a board between them. A vertical kerf member extends from one piece through a saw kerf and lies alongside a similar vertical member which extends from the other piece. A bolt and thumb screw attach the vertical members in order to maintain the established separation between base and clamp jaws.
REFERENCES:
patent: 1336291 (1920-04-01), Gilmore
patent: 2133892 (1938-10-01), Gelinski
patent: 2148156 (1939-02-01), Hagopian
patent: 2635320 (1953-04-01), Ornitz
patent: 2770271 (1956-11-01), Kane
patent: 2786372 (1957-03-01), Lassy
patent: 3062261 (1962-11-01), Chesser
patent: 3173674 (1965-03-01), Ringle
patent: 3342479 (1967-09-01), Howe
patent: 4076228 (1978-02-01), Sheldon
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