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:
Jun. 28, 2022
Filed:
Apr. 25, 2018
Komatsu Ltd., Tokyo, JP;
Komatsu Ltd., Tokyo, JP;
Abstract
A work equipment includes: a drawbar having a drawbar plate; a bearing having an outer ring which is fixed to a lower surface of the drawbar plate, and an inner ring which is disposed inside the outer ring and is connected to the outer ring so as to be rotatable in a peripheral direction with respect to the outer ring; and a circle having a circle plate that is fixed to a lower end of the inner ring over the peripheral direction, an outer peripheral-side wall portion that is connected to an outer peripheral side of the circle plate and has a cylindrical shape surrounding the bearing from an outer peripheral side, and an inner circumferential-side wall portion protruding from the upper surface of the circle plate between the bearing and the outer peripheral-side wall portion, extends in the peripheral direction, and faces the outer ring in the radial direction.