Title:
FIXING DEVICE, PROJECTION SCREEN, AND PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/085257
Kind Code:
A1
Abstract:
Disclosed are a fixing device and a projection screen and a projection apparatus using the fixing device. The fixing device (100) comprises a fixing bracket (1) configured to be fixed to an external fixing face (5), a driving rod (2) provided on the fixing bracket, and a supporting structure (3) fixed onto the driving rod, wherein the supporting structure is configured to support an object to be fixed, and the height position of the supporting structure can be continuously adjusted by rotating the driving rod. The fixing device is not only convenient to fix, but also facilitates positional adjustment in the height direction. When the fixing device is applied to the projection screen, the positional adjustment of the projection screen can be effectively realized, so that the effective adjustment of projection effect is realized.
Inventors:
FU JINJIANG (CN)
HUANG MIN (CN)
LI YI (CN)
HUANG MIN (CN)
LI YI (CN)
Application Number:
PCT/CN2018/071430
Publication Date:
May 09, 2019
Filing Date:
January 04, 2018
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/56
Foreign References:
| CN202746887U | 2013-02-20 | |||
| CN201583779U | 2010-09-15 | |||
| CN202330993U | 2012-07-11 | |||
| CN204731524U | 2015-10-28 | |||
| CN203759412U | 2014-08-06 | |||
| CN2927262Y | 2007-07-25 | |||
| US5878987A | 1999-03-09 |
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