Compact combine drive system
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United States of America Patent
Stats
-
Nov 6, 1990
Issued Date -
N/A
app pub date -
Jan 30, 1989
filing date -
May 15, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive system for the internal combustion engine of a large work vehicle, such as a self-propelled agricultural combine. The drive system comprising three concentric drive shafts that are housed in a housing for driving three separate usage assemblies. The outer and middle drive shafts are provided with bevel gear assemblies having output axes perpendicular to the drive shafts axis. The bevel gear assembly of the outer drive shaft is coupled to a series of four sequentially mounted hydraulic pumps, whereas the bevel gear assembly of the middle drive shaft is coupled to a forwardly extending drive shaft. An internal clutch is provided for operatively engaging and disengaging the middle drive shaft from the drive train.
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