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:
Jan. 30, 2024
Filed:
Aug. 01, 2019
Thk Co., Ltd., Tokyo, JP;
Katsuya Fukushima, Tokyo, JP;
Masashi Ishii, Tokyo, JP;
Hiroki Niwa, Tokyo, JP;
Akira Suzuki, Tokyo, JP;
Kazuto Oga, Tokyo, JP;
Shogo Wakuta, Tokyo, JP;
Satoshi Hara, Tokyo, JP;
Shigeki Hayashi, Kawasaki, JP;
Tomofumi Mizuno, Tokyo, JP;
THK CO., LTD., Tokyo, JP;
Abstract
Provided is an actuator in which a load applied to a shaft and a workpiece is controlled. The actuator includes a support part that rotatably supports the shaft, a linear motion motor that moves the shaft in a direction of a central axis, a connecting member that is at least a part of a member connecting a mover of the linear motion motor and the support part, a strain gauge that detects strain of the connecting member, and a control device that controls the linear motion motor, based on the strain detected by the strain gauge.