Projection installing device
US5938161A · kind A · utility
33Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Jun 11, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/54
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A projector installing device for installing a projector pendant from a ceiling, which enables easy and quick horizontal angular adjustment of the projector and which is also excellent in durability. A rotary member rotatable around a vertical axis of a pin is installed on a supporting member fastened to a ceiling, the rotary member is provided with fixing screws for unfixably fixing the rotary member at a desired rotary position to the supporting member from its horizontal direction, and the projector is fastened to the rotary member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.