Work holders – Hand maneuvered or work supported tool guides
Patent
1989-04-03
1989-09-19
Yost, Frank T.
Work holders
Hand maneuvered or work supported tool guides
30372, 83745, B27B 904
Patent
active
048674257
ABSTRACT:
A one-piece elongated rectangular metal fence plate adjustably attachable to a cutable guide base of plywood or plastic. One longitudinal edge of the fence plate is formed into a guide fence for hand held power circular saws or saber saws. The invention has straight widened edges of adjustably bolting to the surface of the guide base. The fence plate attached to the guide base provides an elongated saw guide fence for straight cutting of large building material panels such as plywood. The guide base is a rectangular panel sized equal in length to the fence plate. The guide base is initially of greater width than the width of the fence plate plus the width of the base of the power saw. For the initial set-up, the fence plate is bolted to the guide base. The guide base is then cut to size using a power hand saw with the guide fence of the attached fence plate serving as the saw guide to assure parallel alignment of the guide fence relative to the cut edge of the guide base. After cutting the guide base to width, the device is preset and ready to use for that particular hand held power saw and blade so that the added dimensions of the width of the saw base and the blade kerf are not required to be computed into each guided cut of a piece of building material.
REFERENCES:
patent: 3871103 (1975-03-01), Simmons
patent: 3913440 (1975-10-01), Baker
patent: 4112987 (1978-09-01), Pachnik
patent: 4524662 (1985-06-01), Carley
patent: 4736523 (1988-04-01), Hanning
Smith Scott A.
Yost Frank T.
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