OPEN PRESENTATION APPARATUS FOR ENGLISH TEACHING

WIPO Patent Application WO/2021/253145

A1

An open presentation apparatus for English teaching, comprising a connecting plate (1), a storage box (2), a base assembly (3), a bearing plate (4), an outer sleeve (5), an inner sleeve (6), a round rotation block (7), a display platform (8), rotation shafts (9), a display screen (10), a vertical column (11), a rotation motor (12), a fixed bar (13), a first telescopic rod (14), a second telescopic rod (15), a clamp (16), a camera (17), a handle (18), mounting plates (19), a blocking plate (20), a first slide groove (21), a word writing board (22), a first roller (23), a second slide groove (24), a sentence writing board (25), a second roller (26), a first pull handle (27), and a second pull handle (28). The storage box (2) is welded at one side of the top of the connecting plate (1); the mounting plates (19) are mounted on the front and back surfaces and one side of the storage box (2); the blocking plate (20) is glued to the middle of the mounting plates (19); a support plate (31) is mounted at the bottom of the connecting plate (1); support rods (32) are mounted on two corresponding sides at one side of the bottom of the support plate (31); and a base (33) is mounted at the bottom of the support rods (32). The apparatus has a simple structure and diverse functions, and can achieve a high teaching quality and a good shock absorption effect.

XIAO PENG (CN)

PCT/CN2020/096027

December 23, 2021

June 15, 2020

Click for automatic bibliography generation  

WENZHOU LANBAO SAPPHIRE TECH CO LTD (CN)

G09B5/00

CN209765771U	2019-12-10
CN110459078A	2019-11-15
CN201461820U	2010-05-12
CN210743233U	2020-06-12
CN206975849U	2018-02-06
CN109949633A	2019-06-28
CN204878516U	2015-12-16
JP2017037213A	2017-02-16
US20170236433A1	2017-08-17

View/Download PDF      PDF Help

Previous Patent: NOVEL SOLID CARBON SOURCE AND PREPARATION METHOD THEREFOR

Next Patent: NEW TYPE OF WIND TURBINE BLADE