Double-protection safety retaining ring for upper iron tower and lower iron tower and using method thereof

The invention provides an upper and lower iron tower dual-protection safety retaining ring and a using method thereof, and relates to the technical field of electric power tools, the upper and lower iron tower dual-protection safety retaining ring comprises a retaining ring, a spring lock clamp and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAO ZHIYUAN, BI LIMING, LI XUEYAN, YANG BIAO, ZHANG YISHU, DU JIKUAN, ZHAO SHILU, GAO YINGHONG, LI YILUN, ZHANG SHUPU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
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