Variable speed tractor transmission and single lever control

Details Variable speed tractor transmission and single lever control Variable speed tractor transmission and single lever control

1986-04-04

1987-10-06

Novosad, Stephen J.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

And pulley shiftable laterally of its axis of rotation

74473R, 56 111, F16H 1104

Patent

active

046980482

ABSTRACT:
A drive mechanism for a small tractor combines a variable speed V-belt transmission with a forward-reverse gear transmission wherein both transmission are controlled by natural movement of a single control lever within a gate means. An optional second forward range of speeds is also engaged by this same single lever. The normal range of ratios afforded by a two V-belt variable speed transmission is extended by an automatic "overdrive" means that also replaces any belt tension maintenance means.

REFERENCES:
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patent: 2689484 (1954-09-01), Phares
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patent: 2775134 (1956-12-01), Swenson
patent: 3433087 (1969-03-01), Winter et al.
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patent: 3759342 (1973-09-01), Plamper
patent: 3777585 (1973-12-01), Plamper
patent: 4176560 (1979-12-01), Clarke
patent: 4524635 (1985-06-01), Hulin et al.

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