Apparatus for rotating lamp set
US7909475B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 7, 2008 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Jul 11, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2200/32
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus for rotating a lamp set is provided. The apparatus includes: a motor; a shaft which is rotatable by the motor and includes screw threads formed thereon; a sliding unit which includes a hole having screw threads formed therein that are engaged with the screw threads of the shaft and an insertion ball, the sliding unit being movable along the shaft upon rotation of the shaft; and a holder unit which includes a groove, the insertion ball being inserted into the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.