Title:
自動二輪車のフレーム構造
Document Type and Number:
Japanese Patent JP4233022
Kind Code:
B2
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.
Inventors:
Yasuhiro Nakayama
Eiji Adachi
Eiji Adachi
Application Number:
JP2003051655A
Publication Date:
March 04, 2009
Filing Date:
February 27, 2003
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
B62K19/28; B62K11/04; B62K19/02
Domestic Patent References:
| JP60084387U | ||||
| JP6171570A | ||||
| JP2002362464A | ||||
| JP2001010578A | ||||
| JP11001192A | ||||
| JP3258681A |
Foreign References:
| WO2000001500A1 |
Attorney, Agent or Firm:
Yoichiro Shimoda
Tamiya Hiroshi
Tamiya Hiroshi