Polyurethane skate wheel with shaped foam core
US5922151A · kind A · utility
12Cited by
20References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Jul 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T152/1045
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An in-line skate wheel having a shaped foam core which cooperates with load bearing side walls to dictate degrees of flexure of such walls in response to loading thereof from different directions. The wheel structure includes a polyurethane tire body which encapsulates a foam mandrel and a hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.