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. 26, 2005
Filed:
Mar. 24, 2003
Teiji Yamamoto, Hirakata, JP;
Akira Hashimoto, Hirakata, JP;
Teiji Yamamoto, Hirakata, JP;
Akira Hashimoto, Hirakata, JP;
Komatsu Limited, Tokyo, JP;
Abstract
The invention provides a crawler type traveling apparatus which can be stably used for a long time period, and furthermore provides a crawler belt sprocket and a segment thereof which is best suited for the crawler type traveling apparatus. A crawler type traveling apparatus is provided with a crawler belt () and a crawler belt sprocket (). The crawler belt () is structured such that a plurality of links () are connected via a bearing structure body () having a pin () a bush () which is outward fitted to the pin (), and seal member () which are arranged in both end sides of the bush (). Guide portions (G, G) making an intrusion into a portion between the relatively facing links () are protruded from both side surfaces of the sprocket (). The sprocket () is connected via the bearing structure body (), and a gear tooth portion () thereof makes an intrusion into the portion between the relatively facing links () so as to be engaged with the bush (). Space portions () are formed in an outer side of the seal members () in the engagement state.