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:
Mar. 30, 2021
Filed:
Dec. 21, 2018
Kobelco Construction Machinery Co., Ltd., Hiroshima, JP;
Ryota Izumi, Hiroshima, JP;
Satoshi Kurushima, Hiroshima, JP;
KOBELCO CONSTRUCTION MACHINERY CO., LTD., Hiroshima, JP;
Abstract
To enable maintenance of a control valve in a narrow space, on a slewing frame an engine is disposed at a rear portion, a swivel joint is disposed between a pair of vertical plates, a slewing motor is disposed diagonally behind the swivel joint between the paired vertical plates, and a control valve is disposed diagonally behind the swivel joint between the paired vertical plates and forward of the engine. A detachment direction A of a plurality of spools of the control valve extends obliquely in such a way as to get closer to a right vertical plate as it goes rearward.