Playground equipment
US7001311B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2001 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Nov 10, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63G1/14
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Playground equipment comprising a revolving ring for standing or sitting on is according to the invention composed of ring segments (1) which are connected by means of connecting pieces (2) for forming a closed ring. The revolving ring is mounted somewhat above the base by means of legs (3) and by adapting the length of the legs, an inclined revolving plane may be obtained. The structure itself comprises a stationary ring (5, 6) on which a revolving ring (4) provided with wheels or rolls (9, 10) may roll. The revolving ring (1) fits tightly about the stationary part of the playground equipment and it is not possible to separate the parts apart once the playground equipment has been assembled and held together by means of locking rings (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.