Electric power-assisted bicycle
US6152249A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Nov 25, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M6/55
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A kind of electric power-assisted bicycle is presented in the invention. Its characters consist in that: the electric-driving device 2 is composed of the flat motor installed in the shell and harmonic reducer; the shell body and storage battery are fixed in the middle of the frame; its center shaft crosses the flat motor and the harmonic reducer along with the axis line separately, and can rotate relatively to them; the mentioned flat motor is connected with the power-transmitting device through the harmonic reducer. The entire bicycle is lightweight and long-life, while it is also energy saving high efficient and can be conveniently assembled, used, carried and maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.