Haymaking machines for tedding and windrowing

Details Haymaking machines for tedding and windrowing Haymaking machines for tedding and windrowing

1980-04-01

1981-09-15

Eskovitz, Jay N.

Harvesters

Tedders

A01D 7900

Patent

active

042889723

ABSTRACT:
A haymaking machine for tedding and windrowing, includes a frame, at least one raking wheel drivably mounted on the frame for rotation about a center axis, a cam centered about the center axis forming an endless loop within a predetermined axial range therearound, and rigid with the frame, and a plurality of tool-carrying arms operatively connected to the raking wheel, which may be switched between a tedding position, in which the arms project radially outwards, and a windrowing position, in which the arms extend in a direction substantially tangential of a circle inscribed in the raking wheel. Each arm is arranged to oscillate about its longitudinal axis, and includes a cam follower connected near the inner end thereof; a guidance device adjacent the cam is provided for guiding each cam follower into engagement with the cam in the windrowing position, so that each arm operatively oscillates about its longitudinal axis within a predetermined angle in the windrowing position, and is free from oscillation in the tedding position.

REFERENCES:
patent: 4144699 (1979-03-01), Aron

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