Variable drive for a harvester functional element

Details Variable drive for a harvester functional element Variable drive for a harvester functional element

1981-09-04

1984-06-19

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74689, F16H 344, F16H 3700

Patent

active

044547870

ABSTRACT:
In a drive system for the threshing cylinder of a combine harvester, a conventional infinitely variable V-belt drive, is combined with a two-speed final drive assembly. In the final drive assembly, an epicyclic gear train is housed within the body of a driven sheave carried on the cylinder shaft. A sun gear of the gear train is controllable externally of the sheave body and may be pinned for rotation with the sheave in a direct drive mode, or nonrotatably secured relative to the combine body for a cylinder speed reducing mode. The combine cylinder speed is therefore infinitely variable within, selectively, either an upper range or a lower range.

REFERENCES:
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patent: 2611227 (1952-09-01), Keller
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patent: 4133225 (1979-01-01), Love
patent: 4138837 (1979-02-01), Love
patent: 4346627 (1982-08-01), Kawamoto et al.

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