Tumbling floor
US4316297A · kind A · utility
10Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1980 |
| Grant date | Feb 23, 1982 |
| Priority date | — |
| Expiry date | Apr 14, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F15/02172
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tumbling floor features an assembly of rigid panels beneath each of which is an array of soft foamed blocks of cushioning material which rest upon the gymnasium floor. The panels are covered by foamed panels of soft springing material and the latter in turn covered by a thin carpet providing a non-slip surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.