Change speed transmission

Details Change speed transmission Change speed transmission

1985-05-06

1987-05-26

Herrmann, Allan D.

Machine element or mechanism

Gearing

Interchangeably locked

74356, 74359, F16H 308

Patent

active

046675264

ABSTRACT:
A transmission comprises first and second input shafts which are drivable respectively from independently operable first and second clutches. Gearing is provided which enables drive to be transmitted from the input shafts to an output via a layshaft. Further gearing is provided on a further layshaft for selection of reverse ratio. In reverse ratio the further gearing is in a drive path which includes the first and second input shafts. The further gearing includes synchronizer means to facilitate selection of reverse ratio.

REFERENCES:
patent: 2612787 (1952-10-01), Youngren et al.
patent: 2739487 (1956-03-01), Winther
patent: 2991661 (1961-07-01), Rambausek
patent: 3769857 (1973-11-01), Whateley
patent: 4116082 (1978-09-01), Kelbel
patent: 4461188 (1984-07-01), Fisher
patent: 4495838 (1985-01-01), Gooch

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