Wheel rims
US5653510A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1996 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Feb 21, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B21/025
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Lightweight wheel rims for bicycles are formed by pin joints wherein a pin traverses the joint connecting a pair of adjacent ends of a rim member and extend into passages in the rim member on opposite sides of the joint. The improved joint is formed by resilient arms on the pin (or passage) that are resiliently bent or bowed between a pair of spaced contact areas when the pin is forced into the passage and apply pressure resiliently between the pin and the passage wall so the force are applied to inside walls of the passage so that more deflection occurs in the arms as opposed to the rim. In another embodiment of the present invention circumferentially spaced vents are formed leading from the circumferential pin receiving passages to the spoke holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.