Two-step and toothless bicycle head shaft bowl set
US5647684A · kind A · utility
17Cited by
14References
5Claims
0Family size
Inventor
Key dates
| Filing date | May 16, 1995 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | May 16, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7069
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fastening device is capable of holding securely the head tube and the handlebar sleeve in the front fork of a bicycle. The front fork is provided respectively at both upper end thereof and lower end thereof with a restraining ring which is of an arcuate construction and is capable of bringing about an automatic calibration so as to ensure that the bearing sets of the front fork cooperate properly and rotate smoothly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.