Tubular spindle mounting for bicycle bottom-bracket hub
US4093325A · kind A · utility
20Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1976 |
| Grant date | Jun 6, 1978 |
| Priority date | — |
| Expiry date | Oct 29, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2164
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Bottom bracket hub comprising a hollow spindle with two ball-bearings, said spindle having a relatively thin wall, and mountings permitting the axial adjustment of said spindle; a pair of ball-bearings are mounted on said spindles and a pair of inserts are fitted into the ends of said spindle. Alternatively, the inner races of said bearings are formed by cold-rolling the outer surface of said hollow spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.