Lubricating structure for a wheel driving apparatus
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United States of America Patent
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-
Apr 7, 1998
Grant Date -
N/A
app pub date -
Jun 8, 1995
filing date -
Dec 10, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A lubricating structure for a wheel driving apparatus in which a wheel hub (7) is rotatably supported by a wheel mounting body (1). An output side of a hydraulic motor (31) is attached to the mounting body and is coupled to a drive shaft (6) which is engageably inserted into a shaft bore (50) of the wheel mounting body. The drive shaft is coupled to the wheel hub via a reduction gear mechanism (10) and a clutch mechanism (11), and a braking mechanism (37) is mounted between the wheel hub and the wheel mounting body. The lubricating structure is characterized in that an annular space (51), formed between the shaft bore and the drive shaft, communicates via individual lubricable portions with a lubricant oil inlet (103) and a peripheral port (55). Also, the lubricant oil is supplied from the lubricant oil inlet and is discharged from the port.
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