Inflatable projecting apparatus curtain cloth holder for history teaching

The utility model discloses an inflatable projecting apparatus curtain cloth holder for history teaching, including the gasbag crossbeam, its characterized in that, the gasbag crossbeam left and right sides is equipped with the gasbag stand, gasbag crossbeam rear side middle part is equipped with th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YANG TONGMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 BLASTING CINEMATOGRAPHY CRYPTOGRAPHY CYLINDERS DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTROGRAPHY ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GLOBES HEATING HOLOGRAPHY LIGHTING MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS PISTONS PLANETARIA SEALINGS SEALS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an inflatable projecting apparatus curtain cloth holder for history teaching, including the gasbag crossbeam, its characterized in that, the gasbag crossbeam left and right sides is equipped with the gasbag stand, gasbag crossbeam rear side middle part is equipped with the gasbag pillar, gasbag stand gentleness rami capsulares toe portion is equipped with non -slip rubber, gasbag stand gentleness rami capsulares post lower extreme inboard is equipped with counter weight plate, both sides are equipped with the curtain stores pylon about gasbag crossbeam downside, gasbag pillar lower extreme is equipped with the inflation inlet, the inflation inlet left side is equipped with the one -way sealing pad, the inflation inlet right side is equipped with aerifys the rubber tube, it is equipped with the fan to aerify the rubber tube right side, aerify to be equipped with on the rubber tube to prick and detain, gasbag crossbeam, gasbag stand, the mutual UNICOM of gasbag pillar. The beneficial