Crop harvester including a quickly adjustable semi-floating, sel

Details Crop harvester including a quickly adjustable semi-floating, sel Crop harvester including a quickly adjustable semi-floating, sel

1981-04-09

1983-01-11

Hirsch, Paul J.

Harvesters

Motorized harvester

With condition-responsive operation

56 275, 5612141, A01D 4516, A01D 5500, A01D 9104

Patent

active

043676219

ABSTRACT:
The present invention is directed to an easily adjustable, semi-floating, self-steering cutter head for row crops. The present invention incorporates self-steering capabilities, a cut-off mechanism and a quick-adjustment into a single integral unit. Direction sensing is accomplished by utilizing a feeler arm or a set of feeler arms which follow the plant stock row or other protrusions or indentations. Forces detected by the guidance sensors are transmitted to a ring which is a part of the housing and/or shielding of the cut-off device. The steering forces may be transmitted to a steering system through a single connection. The present invention is particularly useful in harvesting tobacco.

REFERENCES:
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patent: 2862345 (1958-12-01), Wigham
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patent: 3077065 (1963-02-01), Samways et al.
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patent: 4176560 (1979-12-01), Clarke
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patent: 4197690 (1980-04-01), Eistert et al.
patent: 4216642 (1980-08-01), Spratt et al.
patent: 4295323 (1981-10-01), Maier et al.

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