Haymaking machine for the tedding and windrowing of fodder

Details Haymaking machine for the tedding and windrowing of fodder Haymaking machine for the tedding and windrowing of fodder

1976-05-04

1977-11-29

Eskovitz, Jay N.

Harvesters

Tedders

A01D 7900

Patent

active

040599442

ABSTRACT:
A haymaking machine for the tedding and windrowing of fodder comprises a pair of rake wheels driven in rotation, with working tool-carrier arms mounted pivotally in support bearings thereon and having at their ends facing the rotation axis of the corresponding rake wheel, a control crank that has a roller that moves in a guide cam so as to cause the working tools to pivot over a portion of their path of revolution, upward and in the direction opposite to the direction of rotation of the corresponding rake wheel during windrowing. The control cranks are connected with the working tool-carrier arms by means of an articulation, the angle formed between the geometric axes of the control cranks and the geometric axes of the working tool-carrier arms, as seen from above, varying when the carrier arms are transposed from the windrowing position into the tedding position and vice versa. The rollers fast with the control cranks remain in engagement with the guide cam of the corresponding rake wheel both during windrowing and during tedding.

REFERENCES:
patent: 3555800 (1971-01-01), Stell et al.
patent: 3820314 (1974-06-01), Reber

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