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:
Nov. 25, 2025
Filed:
May. 09, 2022
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Hideshi Iitani, Tokyo, JP;
Shouta Akazaki, Tokyo, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/42 (2006.01); E02F 9/20 (2006.01); F16H 25/22 (2006.01); F16H 25/20 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
E02F 3/427 (2013.01); E02F 9/202 (2013.01); F16H 25/2204 (2013.01); F16H 2025/2081 (2013.01); F16H 2025/2087 (2013.01); F16H 57/0464 (2013.01); F16H 57/0479 (2013.01); F16H 57/0486 (2013.01);
Abstract
This electric cylinder includes a motor that serves as a driving source, an output shaft that rotates in response to driving of the motor, a first rotor that is joined to the output shaft and rotates in response to rotation of the output shaft, and a second rotor that is adjacent to the first rotor and rotates in response to rotation of the first rotor. The first rotor has an open hollow portion capable of accommodating a lubricant therein.