Piezoelectric motor and injection device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11998717
APP PUB NO 20210299349A1
SERIAL NO

17266310

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A piezoelectric motor includes: a stator having an elastic body, a piezoelectric element and a sliding member adhesively attached to the elastic body; a rotor having an annular member, which includes a disc spring portion and a basic body portion in contact with the sliding member, and a fixture portion to which the annular member is fixed; and a shaft that rotates with the rotor, wherein the disc spring portion of the annular member is fixed to the fixture portion which is fixed to the shaft.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PIEZO SONIC CORPORATION1-15-5 KASUYA SETAGAYA-KU TOKYO 157-0063

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tada, Kouhei Tokyo, JP 1 2

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