ENCODER, MOTOR, AND METHOD FOR MANUFACTURING ENCODER
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Nov 30, 2022
filing date -
Nov 30, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
To enhance productivity of an encoder. An encoder (20) disclosed herein includes: a boss (25) that rotates about a rotation axis of a shaft included in a motor; a circular rotating plate (21) that is fixed to the boss (25) and rotates about the rotation axis; a bonding portion (27) that fixes the boss (25) and the rotating plate (21); and an optical module including a light source that irradiates the rotating plate (21) with light and a light receiving element that receives light emitted from the light source and reflected by the rotating plate (21). Bonding portion (27) includes a cured product of an adhesive having a photocuring property and an anaerobic curing property. A part of bonding portion (27) is exposed from between boss (25) and rotating plate (21) and is in contact with boss (25) and rotating plate (21).
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