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. 02, 2021
Filed:
Mar. 14, 2019
Fanuc Corporation, Yamanashi, JP;
Yoshihiro Tanno, Yamanashi, JP;
Toshinori Ohashi, Yamanashi, JP;
FANUC CORPORATION, Yamanashi, JP;
Abstract
A robot gravity balancer includes: a tubular housing whose both ends in the direction of a longitudinal axis are closed by end plates having through-holes; a movable member housed inside the housing so as to be movable in the direction of the longitudinal axis; a compression spring disposed between the movable member and the end plate; and an elongated rod that is capable of being passed through the through-holes of both the end plates, and that is disposed in a state of having one end detachably mounted on the movable member and the other end protruding to the outside of the housing, regardless of which of the through-holes the rod is passed through. The robot gravity balancer is disposed between a first member and a second member of a robot, the second member being provided so as to be swingable around a predetermined swing axis relative to the first member.