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:
Oct. 08, 2024
Filed:
Mar. 14, 2023
Nachi-fujikoshi Corp., Tokyo, JP;
Shinya Ida, Toyama, JP;
NACHI-FUJIKOSHI CORP., Tokyo, JP;
Abstract
It is an object of the present invention to provide a stopper structure that can be arranged even at a position where no sufficient space can be ensured, such as at an axis at which an arm has a large operation range, and can appropriately absorb a shear load, and an articulated robot including such a stopper structure. A stopper structure according to the present invention relates to a stopper structurefor restricting relative rotation between an armand a mechanical element (base) by a predetermined angle or more, the stopper structure including: a protrusionprovided on one of the arm and the mechanical element; a holeformed in the other one of the arm and the mechanical element; and a stopperinserted into the hole while being partially exposed from the hole, wherein the stopper including: a blockmade of an elastic resin; and a metal surface platethat has a bent cross-section, and is provided on a surface of the block along a front side on which the stopper comes into contact with the protrusion.