Brake and gear change control unit for a bicycle
US5257683A · kind A · utility
78Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Mar 6, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20438
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A combined gear change control and brake unit for a bicycle comprises a first actuating lever adjacent the rear of the brake lever and a second actuating lever projecting horizontally towards the middle of the handlebar, which respectively control ratchet devices for controlling upward or downward selection of the various transmission ratios.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.