Advertisement bulletin board

The utility model discloses an advertisement bulletin board, which relates to the field of advertisement propaganda and comprises a main body, a propaganda window is arranged on the outer wall of the main body, four groups of support frames are fixedly mounted at the bottom of the main body, an air...

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Bibliographic Details
Main Authors ZHANG JIANPING, DU YANDAN
Format Patent
LanguageChinese
English
Published 02.02.2024
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
PHYSICS
SEALS
SIGNS
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Summary:The utility model discloses an advertisement bulletin board, which relates to the field of advertisement propaganda and comprises a main body, a propaganda window is arranged on the outer wall of the main body, four groups of support frames are fixedly mounted at the bottom of the main body, an air cylinder is arranged on one side, close to the propaganda window, in the main body, and a telescopic shaft is movably connected in the air cylinder. The end, away from the air cylinder, of the telescopic shaft is fixedly connected with a coupler, the end, away from the telescopic shaft, of the coupler is fixedly connected with a baffle, the positions, connected with the main body, of the left side and the right side of the baffle are each provided with a sliding groove, and the upper side and the lower side in the main body are each movably provided with a transmission roller. The left and right sides of the two groups of transmission rollers are respectively in threaded connection with a group of bolts; and a stor
Bibliography:Application Number: CN202322247021U