Cutlery – Powered planer
Patent
1988-01-11
1989-06-20
Yost, Frank T.
Cutlery
Powered planer
144117C, B27C 110
Patent
active
048399663
ABSTRACT:
A hand-carried tool includes one or more cutting cylinders rotatably supported and power from a compressed air operable motor causes them to rotate around their axes. Each cutting cylinder has cutting sections and grooves formed alternately along its length and each cutting section has two or more edge pieces spirally protruding in radially outward directions. The cutting edges on these edge pieces are parallel to the axis of rotation and separated mutually by more than 7 mm so as to reduce the amount of plaster powder produced.
REFERENCES:
patent: 1170454 (1916-02-01), Magerkurth
patent: 1279488 (1918-09-01), Broward
patent: 2437668 (1948-03-01), Adams
patent: 2894549 (1959-07-01), Garland
patent: 2969816 (1961-01-01), Johnsa
patent: 3506044 (1970-04-01), Evans
patent: 3557658 (1971-01-01), Jamison
patent: 4360048 (1982-11-01), Schadlich et al.
Krouzkevitch Benjamin
Litvinenko Alexander
Folkerts Michael D.
Yost Frank T.
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