THREADED TAPERED FASTENER FOR SECURING A POWER TRANSMISSION DEVICE TO A SHAFT
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United States of America Patent
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Issued Date -
Nov 17, 2022
app pub date -
May 12, 2022
filing date -
May 13, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A working machine assembly has a rotatable shaft and a power transmission device having a central hub with a bore there through configured to receive the rotatable shaft. The shaft and power transmission device are connected with a securing mechanism that includes a key inserted in a keyway formed in an inner surface of the central hub and a key seat formed along a portion of the shaft wherein the key prevents relative movement between the rotatable shaft and the attached power transmission device. The securing mechanism has a pin having a flat tapered surface. The pin is received in a cross hole in the hub and interacts with the key such that the tapered surface abuts the key. The pin has a threaded end. A nut is received on the threaded end and used to draw the tapered surface of the pin against the key in a wedging action.
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