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:
Nov. 05, 2002
Filed:
Sep. 08, 2000
Shozo Yokoyama, Akashi, JP;
Kobelco Construction Machinery Co., Ltd., Hiroshima, JP;
Abstract
A crawler traveling type working machine, comprising: a lower traveling body provided with crawlers on left and right sides; an upper rotating body mounted on the lower traveling body through a rotating means, the upper rotating body having a first counter weight; and a second counter weight interposed between an upper part of the lower traveling body and the rotating means. With this constitution, the stability of the working machine is excellent, the obstacle avoiding function when the upper rotating body rotates is excellent, and the rear rotating radius is smaller than the normal working machine of an upper class. Therefore, the working machine can be used as a working machine of an upper class.