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:
Apr. 29, 2025
Filed:
Feb. 10, 2021
Fanuc Corporation, Yamanashi, JP;
Tomoya Konishi, Yamanashi, JP;
Fanuc Corporation, Yamanashi, JP;
Abstract
Provided is a structure of a joint portion which suppresses deterioration or damage of a seal member arranged inside the joint portion. The joint portion rotates a first structure portion and a second structure portion relatively to each other. The structure of the joint portion comprises: an oil seal which is arranged in a gap portion; and a labyrinth member which is arranged on outer surfaces of the first structure portion and the second structure portion. The labyrinth member comprises a passage which communicates with the gap portion. The labyrinth member is formed so as to be attachable to the outer surface of the first structure portion and the outer surface of the second structure portion. Further, the labyrinth member is formed so as to be detachable from the first structure portion and the second structure portion.