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.

Date of Patent:
May. 10, 2016

Filed:

Mar. 29, 2013
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Seiji Hahakura, Suwa, JP;

Takuya Owa, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 17/00 (2006.01); B25J 9/10 (2006.01); B25J 19/00 (2006.01);
U.S. Cl.
CPC ...
B25J 17/00 (2013.01); B25J 9/108 (2013.01); B25J 19/0062 (2013.01); Y10S 901/28 (2013.01); Y10T 74/20329 (2015.01);
Abstract

A robot includes an arm, a wrist and a rotation support mechanism The rotation support mechanism has a shaft section provided in the wrist and an outer shape of which is a column shape; a bearing which is disposed on an outer periphery section of the shaft section and rotatably supports the shaft section around a center axis thereof; an annular-shaped ring member provided in the wrist and is concentrically disposed with the bearing by separating on the outer periphery side of the bearing; and an annular-shaped oil seal provided in the arm and slides with respect to the ring member by abutting the outer periphery section of the ring member and holding airtightness with the ring member according to the rotation of the center shaft of the shaft section.


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