Crop windrowing machine having double windrow-forming attachment

Details Crop windrowing machine having double windrow-forming attachment Crop windrowing machine having double windrow-forming attachment

1981-11-25

1983-07-12

Eskovitz, Jay N.

Harvesters

Cutting and windrowing

56 136, 56 145, 56 164, 56228, A01D 5730

Patent

active

043923399

ABSTRACT:
The windrower, which may be of the mower or mower-conditioner type, is provided with a double windrowing attachment at the rear thereof which may be lowered into a double windrowing mode or raised into a non-operative position for single windrowing. Severed crops are converged centrally of the machine from opposite sides of the cutting path taken by the machine so as to be discharged onto the ground in a single, centrally disposed windrow when the attachment is in its raised position. Actuation of the hydraulic circuitry associated with the attachment to lower the same into its operating position during a next pass around the field causes a conveyor of the attachment to intercept the centrally and rearwardly discharged crop so as to instead divert and convey the same to a laterally outboard position in order that the windrow of that crop cutting pass will be laid adjacently alongside of the previously formed single windrow for the next preceding pass. A special hydraulic circuit for raising and lowering the double windrowing attachment also operates lift apparatus for the cutting mechanism of the windrower, yet allows raising and lowering of the attachment independently of the cutting mechanism.

REFERENCES:
patent: 2511841 (1950-06-01), Gaterman
patent: 3717981 (1973-02-01), van der Lely
patent: 3772865 (1973-11-01), Ruprecht et al.

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