The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2023
Filed:
Feb. 26, 2020
Ntn Corporation, Osaka, JP;
Shintarou Ishikawa, Shizuoka, JP;
Takahide Saito, Shizuoka, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A differential device () of an electric actuator () includes a driving rotary body (), a driven rotary body (), and a planetary rotary body (). A first speed reducer () is formed between the planetary rotary body () and the driving rotary body (). A second speed reducer () is formed between the planetary rotary body () and the driven rotary body (). The electric actuator () includes a first bearing () configured to support the planetary rotary body () on an inner side of a rotor () of an electric motor (), and a second bearing () configured to support the planetary rotary body () at a position shifted in an axial direction so as to be prevented from overlapping the rotor (). The second bearing () is formed of a deep-groove ball bearing.