Cutlery – Scratching implements – Having traction-rotated tool
Patent
1979-03-30
1981-01-20
Peters, Jimmy C.
Cutlery
Scratching implements
Having traction-rotated tool
30374, 83863, 144 3R, B27B 900
Patent
active
042453909
ABSTRACT:
A scoring device for attachment to a shoe plate of a power hand saw includes a mounting structure having an elongate base member with opposite ends engageable in spaced saw rip guide brackets for extending transversely on the shoe plate forwardly of the saw blade. An upper bar member is slidably mounted atop the base member and longitudinally selectively positionable thereto. A scoring wheel for cutting into the outer surface of an article to be sawn has a sharp edge and is rotatably mounted between spaced arms connected to the bar member for vertical swinging movement. The wheel is selectively positioned with the bar member so that the wheel edge cuts a continuous score line or indentation over the entire line of intended sawing and generally aligned with the saw blade. A spring extends between the bar member and one of the arms for urging at least portion of the scoring wheel below the shoe plate and into penetrating relation with the article surface for preventing splintering of the surface portion of the wood by the following saw blade.
REFERENCES:
patent: 1753959 (1930-04-01), Wikstrom
patent: 2487327 (1949-11-01), Ganter
patent: 2996089 (1961-08-01), McCarty
patent: 3421556 (1969-01-01), Clifford
patent: 3623518 (1971-11-01), Nicotra
patent: 4087914 (1978-05-01), Bates
patent: 4174745 (1979-11-01), Benuzzi
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