CRANK WITH ADJUSTABLE BEARING HANDLE AND ADAPTER
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Oct 5, 2021
filing date -
Oct 6, 2020
priority date (Note) -
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Abstract
A crank assembly with an adjustable handle assembly that includes a handle mounted on bearings and on an axle such as a self-locking, quick-release pin. The pin allows the handle assembly to be removably positioned in any of a number of holes in the crank body allowing choice of high leverage or high speed during crank operation. While designed with hand-cranked trailer jacks in mind, the crank assembly can be used in various applications requiring hand cranking by suitable choice of crank interface and dimensions. An adapter at the crank interface may be used alone with a power drive tool or by hand with the crank assembly.
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