Adjustable supporting device for soft screen and projection display device
US9335620B1 · kind B1 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 18, 2015 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Jun 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/58
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The disclosure discloses an adjustable supporting device and a projection display device. The adjustable supporting device includes a frame and a plurality of strip-shaped connectors, wherein the frame includes a plurality of sub-frames connected in order, and a strip-shaped groove is arranged on the outer wall of each of the sub-frames and extends in the length direction of the sub-frames; each of the strip-shaped connectors has one side installed in corresponding one strip-shaped groove, and the other side located outside the strip-shaped groove to be connected with a side of the soft screen, and a position-limiting protrusion is arranged on the side of the strip-shaped connector located in the strip-shaped groove; and an automatic force adjusting unit is arranged between the strip-shaped groove and the corresponding strip-shaped connector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.