Shaft coupling
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United States of America Patent
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Mar 25, 2014
Grant Date -
Jun 2, 2011
app pub date -
Dec 1, 2009
filing date -
Dec 1, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A shaft coupling is disclosed herein. The shaft coupling includes a tubular portion extending along a central axis. The tubular portion has a maximum inner diameter. The shaft coupling also includes a first set of internal splines positioned in the tubular portion. The shaft coupling also includes a dam rising above the maximum inner diameter in the tubular portion. The dam is spaced from the first set of internal splines along the central axis. The shaft coupling also includes at least one aperture for receiving lubricant for the first set of internal splines. The at least one aperture extends through the tubular portion along an aperture axis transverse to the central axis. A cross-sectional area of the at least one aperture decreases along at least part of the aperture axis. In another feature, the shaft coupling can include a passageway extending through the dam.
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