Resilient tile for recreation surfaces
US5234738A · kind A · utility
70Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 1991 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Aug 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24992
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Resilient tiles having substantially uniform impact attenuation over the entire surface thereof are disclosed. The tiles of the invention have a plurality of spaced, elongated peripheral ridges and a plurality of truncated, conical legs inboard of the peripheral ridges which combine to provide the substantially uniform impact attenuation of the tiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.