Backward driving device for tricycle
US4852420A · kind A · utility
0Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Sep 9, 1987 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Sep 9, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19488
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A backward driving device for tricycle, especially scooter motorcycle remodelled for the disabled, to be installed to engine power output shaft, incorporated with a shifter for driving backward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.