COATED DRIVER AND METHOD OF FORMING
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United States of America Patent
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Issued Date -
Mar 30, 2023
app pub date -
Oct 22, 2021
filing date -
Oct 22, 2021
priority date (Note) -
Published
status (Latency Note)
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Abstract
A driver for coupling a driving device and a driven device includes a core defining a plurality of corner chamfers and a casing formed on and encasing the core. The casing has a contoured perimeter surface and a variable casing thickness, and is compressible during an interference fit installation to a coupling socket to provide a non-lubricated coupling which has zero backlash and substantially no running noise. The core is made of a metal-based material and includes a shaft bore for receiving an input shaft. In an illustrative example, the driver core is made of a stainless steel core and the casing is made of a high wear thermoset urethane material. The metal core can be recycled from the coated driver by removal of the polymeric casing, then recoated with a new casing to form a new coated driver including the recycled metal core.
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