Connection structure between hollow output shaft and driven shaft, and speed reducer
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United States of America Patent
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Jun 23, 2015
Grant Date -
Mar 7, 2013
app pub date -
Aug 31, 2012
filing date -
Mar 1, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided a connection structure between a hollow output shaft of a speed reducer, which is provided with the hollow output shaft including a hollow portion, and a driven shaft of a counterpart machine inserted into the hollow portion of the hollow output shaft. The connection structure includes a communication passage through which the hollow portion of the hollow output shaft communicates with an internal space of the speed reducer. A space, which includes clearance between the hollow output shaft and the driven shaft, is formed as a closed space.
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