Transmission

Details Transmission Transmission

1976-09-20

1978-08-08

Scott, Samuel

Machine element or mechanism

Gearing

Interchangeably locked

74359, 74410, F16H 308, F16H 5700, F16D 1100

Patent

active

041049284

ABSTRACT:
An improved change gear system having a plurality of spaced countershafts having parallel axes and means supporting the countershafts in a casing for rotation. Countershaft gears are provided on the countershafts and are concentric and rotatable therewith. A rotatable main shaft is provided which is arranged substantially parallel with the countershafts and is preferably located between a pair of the countershafts. Means are provided for pivotally supporting one end of the main shaft in addition to means for guiding the other end thereof in a free floating relation relative to the one end for movement in at least a direction transverse of a plane through the axes of two of the countershafts. A plurality of axially constrained thrust rings are fixed to the main shaft for rotation therewith and cooperate with a fixed thrust plate for transferring thrust loads on the main shaft to the casing. Clutching means are provided for effecting a driving connection between the countershafts and the main shaft.

REFERENCES:
patent: 2995046 (1961-08-01), Mansachs
patent: 3105395 (1963-10-01), Perkins
patent: 3283613 (1966-11-01), Perkins
patent: 3335616 (1967-08-01), Perkins
patent: 3500695 (1970-03-01), Keiser
patent: 3555920 (1971-01-01), Merritt
patent: 3611823 (1971-10-01), Richards et al.
patent: 3910131 (1975-10-01), Richards

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