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.:

US 7237853 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 03, 2007

Filed:

Nov. 01, 2004
Applicants:

Teiji Yamamoto, Hirakata, JP;

Tuyosi Yosida, Hirakata, JP;

Syouta Murakami, Hirakata, JP;

Inventors:

Teiji Yamamoto, Hirakata, JP;

Tuyosi Yosida, Hirakata, JP;

Syouta Murakami, Hirakata, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D 55/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention provides a support roller of a crawler type traveling apparatus which can prevent a rotational resistance from being increased by the soil or the like, and can stably achieve a function serving as the support roller for a long time. The invention provides a support roller of a crawler type traveling apparatus provided with a shaft (), a support portion () supporting a center portion in an axial direction of the shaft (), and a pair of rollers () respectively arranged in both end portions () of the shaft () and rotating together with the shaft (). A mounting seat portion () of the support portion () to a track frame () is set within a range (S) of a roller outer shape formed by a pair of rollers () in a plan view.


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