Title:
BODY ADJUSTMENT DEVICE AND PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/071867
Kind Code:
A1
Abstract:
A body adjustment device (100) and a projection apparatus (300) using the body adjustment device are provided. The device comprises: a drive part (1), wherein the drive part (1) is a strip-shaped structure, used to provide an adjustment force, and has a first teeth part (12); a transmission part (2), wherein the transmission part (2) is an arc-shaped structure and has a second teeth part (21) engaging with the first teeth part (12), and the drive part (1) drives the transmission part (2) to rotate around a center of a circle where the transmission part (2) is located; a rotating shaft (3) disposed at the center of the circle where the transmission part (2) is located; and an adjustment part (4) hinged to the rotating shaft (3), wherein one end thereof is fixedly connected to the transmission part (2), and the other end is used to perform extension adjustment. The body adjustment device and the projection apparatus have good stability and high adjustment efficiency.
Inventors:
QI SENLIN (CN)
LIAO ZHILIANG (CN)
OU JIMIN (CN)
LI YI (CN)
LIAO ZHILIANG (CN)
OU JIMIN (CN)
LI YI (CN)
Application Number:
PCT/CN2018/071415
Publication Date:
April 18, 2019
Filing Date:
January 04, 2018
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/14; F16H19/04
Foreign References:
| CN204046766U | 2014-12-24 | |||
| CN101000453A | 2007-07-18 | |||
| CN206402150U | 2017-08-11 | |||
| CN103686527A | 2014-03-26 |
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