Device for controlling lifting of lighting lamp

A device for controlling a lighting lamp to ascend and descend is characterized by comprising a transverse rod (1), a lifting lug (2), a pull rope (3), a pulley (4), a sliding roller (5) and a connecting rod (6). The four connecting rods (6) are welded between the two cross rods (1), and the distanc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HONG FENGCHI, ZHANG LIWEI, JI BORAN, LI YUHAO, ZHANG QINGSHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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