Detachable swivelling structure
US4895339A · kind A · utility
15Cited by
11References
2Claims
0Family size
Inventors
Key dates
| Filing date | Sep 2, 1988 |
| Grant date | Jan 23, 1990 |
| Priority date | — |
| Expiry date | Sep 2, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
It is a detachable swivelling structure, which is particular a swivelling structure for mounting a swivelling Christmas tree. The swivelling structure comprises a round base, four supporting legs to be assembled at a perpendicular angle one another or disassembled, a lid, and a turning base. After the four supporting legs being assembled together, they are mounted under the round base so as to have a larger base to hold the swivelling tree in a stable manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.