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.

Date of Patent:
Mar. 23, 2010

Filed:

Mar. 02, 2006
Applicants:

Yuzuru Ishikawa, Wako, JP;

Masayuki Taniguchi, Wako, JP;

Kenji Hasegawa, Wako, JP;

Shunichi Nakajima, Wako, JP;

Koji Shimokawa, Wako, JP;

Norio Hoshi, Wako, JP;

Inventors:

Yuzuru Ishikawa, Wako, JP;

Masayuki Taniguchi, Wako, JP;

Kenji Hasegawa, Wako, JP;

Shunichi Nakajima, Wako, JP;

Koji Shimokawa, Wako, JP;

Norio Hoshi, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62K 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A motorcycle body frame includes a main frame including a head pipe for supporting a front suspension at the front end thereof, a single leading frame portion extending rearwardly from the head pipe, and a rear frame portion for supporting a rear wheel suspension. The rear frame portion extends substantially downwardly from a rear part of the leading frame portion. The main frame, cast from an aluminum alloy, includes two component parts arranged front-to-rear. For example, a front frame portion is provided, and a rear frame portion is fixed to the rear side of the front frame portion. The leading frame portion has a small section portion, where the main frame is smallest in sectional area, disposed substantially centrally in the longitudinal direction thereof. The two component parts of the frame are joined at a coupling portion of the main frame situated in back of the small section portion.


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