Sickle covered knifeback

Details Sickle covered knifeback Sickle covered knifeback

1992-02-11

1993-09-07

Bagnell, David J.

Harvesters

Cutting

Cutter members

56305, A01D 3417, A01D 3418

Patent

active

052418111

ABSTRACT:
A power-operated sickle for cutting agricultural plants and for preventing the cut stalk of the plant from coming in contact with reciprocating components of the sickle. The sickle includes a plurality of cutting teeth attached to a drive bar that is slidably retained on a stationary horizontally disposed sickle bar. A plurality of underside teeth are attached to the sickle bar and extend forwardly therefrom. A cover member is attached to the sickle bar and extends over covering the drive bar and other reciprocating components thereat. The cover member includes a plurality of upper teeth that extend over the underside teeth and sandwich the reciprocating cutting teeth therebetween. The cover member includes a semi-circular section extending between its attachment to the sickle bar and the upper teeth. The gap between the upper and underside teeth is selectively adjustable for a proper setting during initial assembly and for, thereafter, adjusting for wear of the cutting teeth, upper teeth, and underside teeth.

REFERENCES:
patent: 497320 (1893-05-01), Hillabold
patent: 3098338 (1963-07-01), Myers
patent: 3284994 (1966-11-01), Hamel
patent: 3401512 (1968-09-01), Pool et al.
patent: 3401513 (1968-09-01), Rickerd
patent: 3553948 (1971-01-01), White
patent: 3978645 (1976-09-01), Bennett et al.
patent: 4286425 (1981-09-01), Schumacher, II
patent: 4519192 (1985-05-01), Oppenhuisen et al.
patent: 4520618 (1985-06-01), Sorensen et al.
patent: 4612758 (1986-09-01), Schumacher, II et al.
patent: 4653257 (1987-03-01), Schumacher, II et al.
patent: 4750321 (1988-06-01), Klein
patent: 5054277 (1991-10-01), Schumacher, II et al.
Publication by Gebr. Schumacher GmbH "Easy Cut Sickle Bar System" (undated).

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