公开(公告)号：US07073617B2

公开(公告)日：2006-07-11

申请号：US10476468

申请日：2002-12-26

申请人： Shidehiko Miyashiro ,  Takehisa Katsura ,  Takayoshi Fukuda ,  Sin Yokomizo ,  Takushiro Shiraishi ,  Hiroshi Yamaoka ,  Norikazu Unno

发明人： Shidehiko Miyashiro ,  Takehisa Katsura ,  Takayoshi Fukuda ,  Sin Yokomizo ,  Takushiro Shiraishi ,  Hiroshi Yamaoka ,  Norikazu Unno

IPC分类号： B62M7/00

CPC分类号： B62K11/04 ,  B62K19/12

摘要： In a body frame for a motorcycle mounted with an engine unit 11 and provided with a main frame 2a by which a front fork 4 and rear arms 7 are supported, the main frame 2a includes: a head pipe unit 20 which extends obliquely downward to a rear of a vehicle from a head pipe 3 and so as to expand in a vertical direction; a down frame 21 which is connected to a front part at lower end of the head pipe unit 20; and left and right rear arm brackets 10 which are stretched and connected to a rear end of the down frame 21 and a rear part at lower end of the head pipe unit 20, and the head pipe unit 20 is an aluminum die-cast molded product, and the down frame 21 and the left and right rear arm brackets 10 are aluminum forged molded products.

摘要翻译： 在安装有发动机单元11的摩托车的车体框架中，主车架2a配备有主支架4和后臂7支撑的主框架2a，主框架2a包括：头管单元20，其倾斜向下延伸 从头管3到车辆的后方，并且在垂直方向上膨胀; 与头管单元20的下端的前部连接的下降框21; 以及左右后臂支架10，其被拉伸并连接到下框架21的后端和头管单元20的下端的后部，头管单元20是铝压铸模制品 下框架21和左右后臂支架10是铝制锻造成型品。