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:
Apr. 17, 2007
Filed:
May. 19, 2004
Yoshiteru Kubo, Fukooka, JP;
Kenichi Shimizu, Saitama, JP;
Shinichi Senba, Saitama, JP;
Kouhei Urase, Shiga, JP;
Takaharu Nishimura, Shiga, JP;
Yoshiteru Kubo, Fukooka, JP;
Kenichi Shimizu, Saitama, JP;
Shinichi Senba, Saitama, JP;
Kouhei Urase, Shiga, JP;
Takaharu Nishimura, Shiga, JP;
Komatsu Ltd., Tokyo, JP;
Komatsu Zenoah Co., Kawagoe, Saitama, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A construction machine where an operating load is transferred to a location having good rigidity, thereby ensuring the strength of a vehicle body and increasing the load-withstanding strength in relation to running loads. The frame of the lower traveling body of the construction machine comprising a hollow center frame having an upper plate with an attachment ring, a lower plate, and side plates that surrounding sides of the frame and that jut out from the attachment ring, and reinforcing ribs which connect the upper plate to the lower plate in the interior of the center frame beneath the attachment ring.