Harvesters – Tedders
Patent
1978-09-18
1981-03-10
Hirsch, Paul J.
Harvesters
Tedders
56365, A01D 7700
Patent
active
042546095
ABSTRACT:
An agricultural implement for carding, combing and/or teasing crop lying on the ground by receiving same from the ground by comb-like structures and then engaging and conveying the crop through the implement by a rotating drum with tines extending therefrom or rotating discs which have substantially vertical axes, the crop being restrained as it is engaged to impart somewhat of a combing action. In embodiments having a rotary drum with tines which rotates about a horizontal axis, further rotating tines in the path of the conveyed crop tend to comb and disentangle the crop further. The latter such tines may be close to or actually within the cylinder of rotation traced by tines extending from the drum although direct contact between the two sets of rotating tines is avoided. The combing action may be accomplished by a series of parallel plates or non-moving resilient tines or both and the position of the tines may be adjustable and, in one case, teeth depend from the tines to provide the combing action, such tines being freely movable within limits. With the discs or rake wheels, the rotation of same is such as to deliver crop to the rear whereas the drum rotates in the direction of travel as seen from the side. In the embodiment having the rotatable discs or rake wheels, the restraining member is mounted on a parallelogram arrangement and its disposition within such arrangement is adjustable within limits from a vertical disposition to an inclined disposition.
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