Wave generator and strain wave gearing
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United States of America Patent
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Jul 21, 2020
Grant Date -
Jan 25, 2018
app pub date -
Jan 8, 2015
filing date -
Jan 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A strain wave gearing has a wave generator provided with a plug and a roller bearing. The roller bearing is provided with flange plates fixed to both sides of the plug, and outer circumferential edge portions of the flange plates protrude outwardly from a plug outer circumferential surface so as to locate on both sides, in an axial line direction, of the raceway of rollers. The movements of the rollers in the axial line direction are constrained by the outer circumferential edge portions. The movement of retainer in the axial line direction is constrained by engaging with the rollers. The movement of each component part of the roller bearing in the axial line direction can be constrained without using additional components.
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