Driving seat of a crystal ball
US5979092A · kind A · utility
1Cited by
5References
16Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Nov 20, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19084
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A driving seat of a crystal ball, comprising a disk shape seat, a plurality of gears, a swing block, a restoring block, a rotary disk, and other components, wherein the long hole of the extending arm of the swing block is located on the shaft of a driven gear, the driven gear is engaged with an active gear, and the gear on the lower end of a rotary disk is engaged with a small gear on the upper end of the active gear. By this structure, when the active gear is rotated, the swing block is driven to rotate to swing forward and backward, and at the same time, the rotary disk is driven to rotate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.