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:
Sep. 22, 2020
Filed:
Feb. 02, 2018
Azbil Corporation, Tokyo, JP;
Tomofumi Ohashi, Tokyo, JP;
Azbil Corporation, Tokyo, JP;
Abstract
An actuator includes: a fixed internal gear that is formed in an annular shape, has a tooth on an inner peripheral surface thereof, and is non-rotatably provided; a movable internal gear that is formed in an annular shape, has a tooth on an inner peripheral surface thereof, and is rotatably provided coaxially with the fixed internal gear; a plurality of external gears that mesh with the fixed internal gear and the movable internal gear, and rotate along an inner peripheral surface of the fixed internal gear; and a carrier that is formed in an annular shape, rotatably supports the external gears, has a tooth for receiving a turning force from a drive motor on an outer peripheral surface thereof, transmits a turning force from the drive motor to the external gears, and is rotatably provided coaxially with the movable internal gear.