GEAR MOTOR AND ASSOCIATED CYCLE
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United States of America Patent
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Issued Date -
Apr 20, 2023
app pub date -
Oct 14, 2022
filing date -
Oct 14, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A gear motor of an electrical assistance device for a cycle is provided, including a gear reducer and an electric motor, which are configured to be fitted coaxially on a central shaft, the gear reducer including at least one planet wheel, which is fitted firstly on an eccentric cam, the planet wheel also having passing therethrough at least three shafts of the satellite-carrier, the at least three shafts including a respective peripheral surface configured to come into contact with a hole of the planet wheel, which surface is made of polymer material, and/or the at least one planet wheel is made of polymer material.
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