Strain wave gearing
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United States of America Patent
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May 19, 2020
Grant Date -
Dec 28, 2017
app pub date -
Jan 13, 2015
filing date -
Jan 13, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An internal contact part of a wave generator of a strain wave gearing, a contact part between an externally toothed gear and the wave generator, and tooth surface parts are lubricated by a lubricating fine powder. When the strain wave gearing is in operation, the lubricating fine powder is supplied to the internal contact part and the contact part by a first powder guide that rotates integrally with the wave generator. Having passed through these sections, the lubricating fine powder is supplied to the tooth surface parts by a second powder guide that rotates integrally with the wave generator. Each component part can be reliably lubricated regardless of the orientation of the strain wave gearing during operation.
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