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. 24, 2020
Filed:
Mar. 27, 2018
Seiko Epson Corporation, Tokyo, JP;
Hiroyuki Kusumoto, Okaya, JP;
Abstract
A robot includes a first member, a second member provided rotatably with respect to the first member, a gearing that transmits drive power from one side to the other side of the first member and the second member, the gearing includes an internal gear, an external gear having a flexible barrel portion in a tubular shape with an opening portion in an end part, and rotating about a rotation axis relative to the internal gear, and a wave generator, the wave generator includes a cam having a non-circular outer circumferential surface, and a bearing including an inner ring, an outer ring, and a plurality of balls, the first member includes a counter body provided to face the end part on the opening portion side of the barrel portion, and a first seal member is provided between the outer ring and the counter body.