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. 08, 2019
Filed:
Mar. 17, 2016
Kabushiki Kaisha Yaskawa Denki, Kitakyushu-shi, JP;
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu-Shi, JP;
Abstract
A robot arm includes a first member, a second member, an actuator, and a speed reducer. The second member is pivotable relative to the first member about a pivot axis. The actuator is configured to pivotally move the second member relative to the first member about the pivot axis. The speed reducer is configured to couple the actuator to the second member to reduce a rotational speed of the second member relative to an output rotational speed of the actuator. The speed reducer includes a grease chamber in which grease is to be provided. The second member including an air chamber in which air is provided, the air chamber being connected to the grease chamber.