GEAR, BALANCER DEVICE, AND BALANCER DEVICE PROVIDED WITH OIL PUMP
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United States of America Patent
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Issued Date -
Jun 24, 2021
app pub date -
Mar 27, 2019
filing date -
Mar 27, 2019
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Abstract
A gear configured to rotate as a unit with a shaft, the gear includes: a plurality of annular grooves formed on both side surfaces of the gear in a direction of a rotation axis of the shaft, at least partially overlapped when viewed from the direction of the rotation axis, and at least partially overlapped in a radial direction with respect to the rotation axis.
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