Forage harvester cutterhead and method of sharpening

Details Forage harvester cutterhead and method of sharpening Forage harvester cutterhead and method of sharpening

1977-12-06

1982-03-16

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Combined or convertible

51246, 2411017, 241222, B02C 1806

Patent

active

043197183

ABSTRACT:
A forage harvester having a cutterhead with underbeveled knives thereon is disclosed. In a preferred embodiment, each knife has a lateral cross sectional configuration closely resembling an isosceles trapezoid with the initial cutting edges formed by the sides and the longer base thereof. Sharpening of the knife results in the formation of a new cutting edge on the side which is closer to the shorter base than the previous cutting edge. The method of performing the sharpening operation is also disclosed.

REFERENCES:
patent: 1634219 (1927-06-01), Smith
patent: 2735248 (1956-02-01), West et al.
patent: 3059383 (1962-10-01), Wallin et al.
patent: 3059384 (1962-10-01), McClellan
patent: 3729143 (1973-04-01), Wagstaff et al.
patent: 3876158 (1975-04-01), Rogers
patent: 4055309 (1977-10-01), Fleming et al.

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