Woodworking – Rotary cutter – Cylindrical cutter having spiral bit
Patent
1999-10-22
2000-09-12
Bray, W. Donald
Woodworking
Rotary cutter
Cylindrical cutter having spiral bit
144218, 144230, 407 41, B27G 1300
Patent
active
061163058
ABSTRACT:
A rotary cutter is disclosed. The rotary cutter includes a roller having a plurality of flutes defined in the periphery thereof, and a plurality of blades arranged on the periphery of the roller along each of the flutes. Each of the flutes has a pair of helical sections that branch outward and forward from a junction and extend around the periphery of the roller.
REFERENCES:
patent: 2355865 (1944-08-01), Hofbauer
patent: 2576607 (1951-11-01), Knudson et al.
patent: 3785417 (1974-01-01), Vora
patent: 4074737 (1978-02-01), Stewart
patent: 4684297 (1987-08-01), Funakawa et al.
patent: 4830073 (1989-05-01), De Abreu
patent: 4893662 (1990-01-01), Gervasi
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