Multispeed reversible transmission shiftable under load

Details Multispeed reversible transmission shiftable under load Multispeed reversible transmission shiftable under load

1977-08-22

1979-03-27

Scott, Samuel

Machine element or mechanism

Gearing

Interchangeably locked

74360, 74325, F16H 308

Patent

active

041459350

ABSTRACT:
A multispeed reversible transmission shiftable under load having fixed rotation axes for a plurality of gears and respective clutches. The basic structure of the transmission comprises an input gear which forms a gear train for second and third gears each of which is rotatable upon one of the aforementioned fixed axes and is connected by a respective direction clutch (forward or reverse clutch) with fourth and fifth gears also rotatable upon the respective fixed axes and meshing with one another. These fourth and fifth gears are connected by first and second speed-changing clutches with sixth and seventh gears, respectively, locatable about the first and second fixed axes, an eighth gear being connected to the seventh gear and rotatable about the second fixed axis. The ninth gear meshes with the eighth gear and is rotatable about the third fixed axis and is connectible via the third speed-changing clutch with the tenth gear which meshes with the fifth gear but is rotatable about the third fixed axis. An output (eleventh) gear is connected to the ninth gear and drives the output shaft.

REFERENCES:
patent: B358244 (1975-01-01), Jameson
patent: 3710637 (1973-01-01), Fisher et al.
patent: 3858455 (1975-01-01), Sisson et al.
patent: 3893345 (1975-07-01), Sisson et al.
patent: 3916710 (1975-11-01), Sisson et al.

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