Electric auxiliary apparatus for bicycle
US6080073A · kind A · utility
19Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1998 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Dec 21, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M6/55
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric auxiliary apparatus for a bicycle mainly comprises an electric motor, a gear reduction mechanism, a power combination mechanism, and a pedal force sensing mechanism, wherein the gear reduction mechanism includes a planetary gear assembly, a bevel gear assembly, and two reduction gears; the power combination mechanism comprises two chain-wheel seats, two elastic member seats, two elastic members, and two single-direction clutches, the pedal force sensing mechanism primarily includes a sensing sliding seat, a magnet, a magnetizable member, a restoring spring, and a sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.