Change-speed apparatus for a tractor

Details Change-speed apparatus for a tractor Change-speed apparatus for a tractor

1981-10-28

1984-07-31

Herrmann, Allan D.

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74 1566, 74 1586, 74473R, F16H 302, F16H 3700, B23D 1900

Patent

active

044622732

ABSTRACT:
A change-speed apparatus for a tractor for transmitting engine power to running travel apparatuses via a main change-speed mechanism, an auxiliary change-speed mechanism and a forward-and-rearward-travel-shifter mechanism. These mechanisms are arranged in series in fore-and-aft direction of a machine body and a shifter lever for the said forward-and-rearward-travel-shifter mechanism is disposed in juxtaposition to a main change-speed lever for the said main change-speed mechansim.

REFERENCES:
patent: 2447469 (1948-08-01), Spraragen
patent: 3196696 (1965-07-01), Ritter
patent: 3290955 (1966-12-01), Keller et al.
patent: 3563109 (1971-02-01), Glass et al.
patent: 3566711 (1971-03-01), Leuenberger
patent: 4273007 (1981-06-01), Sato et al.
patent: 4294130 (1981-10-01), Kisaka et al.
patent: 4294131 (1981-10-01), Murayama
patent: 4304141 (1981-12-01), Tone et al.
patent: 4351196 (1982-09-01), Yoshida et al.

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