Multimedia classroom projector mounting and adjusting structure

The utility model belongs to the technical field of projector installation adjusting structures, and particularly relates to a multimedia classroom projector installation adjusting structure which comprises a top hanging screw joint seat, a lifting adjusting mechanism is installed at the bottom of t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG XINYI, ZHU XINYI, WANG QI, ZHANG CHUTING, CUI CHENMING, ZHU ANTONG, LI XIANGXIANG, JIANG YI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING 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 HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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