Marketing specialty advertisement teaching aid

• Main Authors: ZHAO MINGMEI, YANG BO
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2016
• Subjects: ACCESSORIES THEREFOR; ADVERTISING; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CINEMATOGRAPHY; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; ELECTROGRAPHY; GLOBES; HOLOGRAPHY; PHOTOGRAPHY; PHYSICS; PLANETARIA; SEALS

The utility model discloses a marketing specialty advertisement teaching aid, including pneumatic cylinder, couple and protective housing, the antifriction bearing fixedly connected with bull stick is passed through to inside top of protective housing and bottom, bull stick surface cover has the curtain, protective housing one side top and bottom are provided with the rubber bar through the connecting piece, the rubber bar is pressed on the curtain surface, the rubber bar both ends all are provided with electric putter, electric putter one end fixedly connected with adjusts the support, it is provided with the universal wheel to adjust the support bottom, the electric putter tip is connected through the couple transmission with the curtain tip, the pneumatic cylinder top is provided with the telescopic link, telescopic link and protective housing bottom fixed connection, the pneumatic cylinder bottom also is provided with the universal wheel. This product simple structure, convenient operation, the easy regul