Rotary cutter

Woodworking – Rotary cutter – Cylindrical cutter having spiral bit

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Details

83665, 144240, 144241, 144 34R, 407 59, 407 62, 407 63, B27G 1300

Patent

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049363611

ABSTRACT:
A rotary cutter bar for a tree felling apparatus. The bar comprises a cylindrical rod having a plurality of raised cutting teeth on its surface. Each tooth is in the form of a short curved bar. The teeth are located on a plurality of equally spaced-apart, spiral paths extending about the cylindrical surface of the rod from one end to the other. The spiral paths extend at an angle of between 30.degree. and 60.degree. to the longitudinal axis of the rod.

REFERENCES:
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patent: 1438184 (1922-12-01), Lewis
patent: 1451079 (1923-04-01), Millsaps
patent: 2396289 (1946-03-01), Ross
patent: 2969816 (1961-01-01), Johnsa
patent: 3457976 (1969-07-01), Andersson et al.
patent: 3785417 (1974-01-01), Vora
patent: 3902538 (1975-09-01), Muirhead
patent: 3946474 (1976-03-01), Hahn et al.
patent: 4131146 (1978-12-01), Koch
patent: 4790693 (1988-12-01), Koblesky

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