| 发明名称 |
Drive system for a wheelchair |
| 摘要 |
A wheelchair comprises a frame or chassis, a seat mounted on the chassis, a front wheel assembly mounted on the chassis, and a pair of rear wheels mounted on the chassis. A drive train assembly propels the wheelchair in a selectively forward or reverse direction. The drive train assembly comprises an arm lever which can be moved back and forth by the user, a drive member connected to the arm lever by means of a chain, and a rear wheel hub assembly connected to the drive member by means of a chain. |
| 申请公布号 |
US9408762(B1) |
申请公布日期 |
2016.08.09 |
| 申请号 |
US201414286804 |
申请日期 |
2014.05.23 |
| 申请人 |
Baker Scott Bradley |
发明人 |
Baker Scott Bradley |
| 分类号 |
A61G5/02;A61G5/08 |
主分类号 |
A61G5/02 |
| 代理机构 |
|
代理人 |
Abrahams Coun P. |
| 主权项 |
1. A wheelchair comprising:
a chassis; a seat mounted on the chassis; a front wheel assembly mounted on the chassis; a pair of rear wheels mounted on the chassis; and a drive train assembly for propelling the wheelchair in a selectively forward or reverse direction, the drive train assembly comprising an arm lever which can be moved back and forth by the user, a drive member connected to the arm lever by means of a chain, and a rear wheel hub assembly connected to the drive member by means of a chain, the rear wheel hub assembly comprising a forward ramp ring and reverse ramp ring, and a pair of inner clutches for selective operative engagement with either the forward ramp ring or the reverse ramp ring. |
| 地址 |
Sherman Oaks CA US |
