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. 14, 2015
Filed:
Oct. 03, 2012
Hitachi Construction Machinery Co., Ltd., Bunkyo-ku, Tokyo, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
Provided is a working machine, which can release exhaust gas at a position above a counterweight even if no space is secured for the installation of an exhaust pipe on an upperstructure or on an upper wall of the counterweight, and which can suppress heating of the counterweight by exhaust gas. The working machine is provided with a muffler () into which exhaust gas is guided from an engine, and a tailpipe () connected to the muffler (). Defined through a counterweight () is a passage () in which the tailpipe () is inserted. The working machine is further provided with an exhaust pipe holding member () and an exhaust pipe (). The exhaust pipe holding member () is attached to an outer side wall of the counterweight (), and has a passage () which is in communication with the passage () of the counterweight () and in which the tailpipe () is inserted. The exhaust pipe () is disposed and held upright on the exhaust pipe holding member (), and has a lower part, in which the tailpipe () is inserted, and an upper part defining therein an exhaust outlet () through which the exhaust gas guided via the tailpipe () is released.