SEALING SLEEVE FOR GEARED SHAFT OF GEARMOTOR ASSEMBLY
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United States of America
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Issued Date -
Jan 16, 2020
app pub date -
Sep 23, 2019
filing date -
Sep 23, 2019
priority date (Note) -
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Abstract
A motor includes a shaft rotatable about an axis, an engaged component engaged by the shaft, a sleeve fixed to the shaft to rotate therewith, and a seal at least partly circumscribing the shaft. The shaft includes an engagement region presenting a substantially variable outer shaft surface that at least in part engages the engaged component. The sleeve includes a first section that at least partly circumscribes and engages the engagement region of the shaft. The first section of the sleeve presents an outer seal-engaging surface and an outer bearing-engaging surface. The seal and the bearing each at least partly circumscribe the engagement region of the shaft and the first section of the sleeve to engage the seal-engaging surface and the bearing-engaging surfaces, respectively, of the sleeve.
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