Transmission for an off-highway implement

Details Transmission for an off-highway implement Transmission for an off-highway implement

1995-03-17

1996-11-12

Marmor, Charles A.

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

475218, 475322, 74325, F16M 3702

Patent

active

055734715

ABSTRACT:
A transmission for an off-highway implement having a plurality of selectively operable gear meshes arranged between input and output shafts of the transmission. A two-speed planetary section is coupled between the output shaft and the transmission output drive shaft. The planetary section of the transmission includes a sun gear that rotates with the output shaft, a planetary carrier that rotates with the transmission output drive shaft and has a series of planetary gears arranged in intermeshing relationship between a rotatable ring gear and the sun gear. A pair of clutch assemblies selectively condition the planetary section of the transmission and thereby influence the turning ratio between the input shaft and the transmission output drive shaft. To rotatably turn the transmission output drive shaft in a third speed ratio condition relative to the turning speed of the output shaft, a selectively operated drive system is associated with the planetary section of the transmission. The drive system allows selective rotation of the ring gear thereby developing a super low speed ratio between the turning output shaft and the transmission output drive shaft. An adjustment assembly is also disclosed for simplifying adjustment of the end play of elongated shaft assemblies disposed throughout the transmission assembly.

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