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:
Apr. 22, 2008

Filed:

Feb. 26, 2004
Applicants:

Eiji Adachi, Saitama, JP;

Yasuhiro Nakayama, Saitama, JP;

Inventors:

Eiji Adachi, Saitama, JP;

Yasuhiro Nakayama, Saitama, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 61/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A frame structure of a motorcycle includes a head pipe gusset forged integrally with a head pipe, and a front fitting recess to which a front wall and front-half parts of right and left side walls of a down pipe are fit is provided with the head pipe gusset. The structure also includes a forged stiffener pipe gusset, and a rear fitting recess to which a rear wall and rear-half parts of right and left side walls of the down pipe can be fit is provided with the stiffener pipe gusset. The right and left front-half parts of the down pipe are inclined in accordance with a draft angle of the front fitting recess, and the right and left rear-half parts are inclined in accordance with a draft angle of the rear fitting recess.


Find Patent Forward Citations

Loading…