Folding plastic skeleton
US6196700A · kind A · utility
2Cited by
3References
8Claims
0Family size
Inventor
Key dates
| Filing date | Nov 10, 1999 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Nov 10, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2121/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plastic skeleton with folding structure is disclosed. The plastic skeleton includes a plurality of first arc skeletons, a plurality of second arc skeletons, and a plurality of pivot joints. Each first arc skeleton and each second arc skeleton have a shape of arc with 90 degrees, and are joint together by a respective pivot joint. One first arc skeleton, one second arc skeleton, and one pivot joint forms a plastic frame, which has a shape of arc with 180 degrees when expanding, and has a shape of arc with 90 degrees when folded. The plastic skeleton is easily folded to store with less space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.