Machine element or mechanism – Gearing – Lubrication
Patent
1991-11-15
1993-07-20
Herrmann, Allan D.
Machine element or mechanism
Gearing
Lubrication
74 1586, 184 612, 184 628, F16H 5704, F16H 3706
Patent
active
052283550
ABSTRACT:
A PTO unit for a transmission or the like includes a housing having an interior chamber. A PTO drive shaft, mounted in the housing, includes a first drive connection for connection to an auxiliary device to provide power thereto. The PTO drive shaft includes a second drive connection. A lubricating pump is connected to the second drive connection of the drive shaft to be in driving engagement therewith. A laterally shiftable gear is mounted on the drive shaft between the first and second drive connections. A gear shift mechanism is provided for laterally shifting the shiftable gear between the first and second positions. An idler shaft, spaced from and parallel to the drive shaft, is mounted in the housing, and a cluster gear is provided for rotation on the idler shaft. The cluster gear includes a transmission driven gear and a pinion. The pinion engages the laterally shiftable gear in the first position thereof for driving the PTO shaft, and is disengaged therefrom when the laterally shiftable gear is in the second position. The idler shaft includes a hose for receiving a lubricant from the pump and injecting it into the housing to maintain the PTO unit lubricated only when the pinion is engaged with the laterally shiftable gear.
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Anderson Eric
Kruger Ronald
Smith Wallace E.
Dana Corporation
Herrmann Allan D.
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