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:
Jul. 12, 2016
Filed:
Nov. 20, 2012
Komatsu Ltd., Tokyo, JP;
KOMATSU LTD., Tokyo, JP;
Abstract
A hydraulic excavator includes an engine, a revolving frame supporting the engine, a vehicle body frame, a first exhaust treatment apparatus and a connecting pipe. The vehicle body frame includes a plurality of column members disposed upright on the revolving frame. The first exhaust treatment apparatus is supported by the vehicle body frame and treats exhaust from the engine. The connecting pipe connects the engine and the first exhaust treatment apparatus. At least a portion of the connecting pipe includes an extendable and contractable bellows portion. The connecting pipe includes a fixing portion fixed to the vehicle body frame. The fixing portion is positioned in the connecting pipe between the bellows portion and the first exhaust treatment apparatus.