Bicycle frame
US4453730A · kind A · utility
19Cited by
2References
13Claims
0Family size
Inventor
Key dates
| Filing date | Nov 18, 1981 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | Nov 18, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2078
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bicycle frame bent in approximately the shape of a parabola with the parabola vertex in the region of the steering fork head, the frame being stabilized by the ends of the parabolic frame arms are tensioned with respect to each other in opposition to their elastic movement of restoration by a bridge which extends from the rear wheel fork to the saddle mount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.