Detachable safety fan blades

The present invention is related to a detachable security fan blade. The detachable security blade includes a fixed shaft and at least one fan blade. These fan blades are fixed on the outer edge of the fixed shaft. The fan blades have a connecting portion and an acting portion, wherein the connectin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HE, ZHU-TIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is related to a detachable security fan blade. The detachable security blade includes a fixed shaft and at least one fan blade. These fan blades are fixed on the outer edge of the fixed shaft. The fan blades have a connecting portion and an acting portion, wherein the connecting portion and the fixed shaft are engaging. The fan blades have a non-uniform thickness, wherein the thickness is gradually thickening along the outer edge of the fixed shaft from the outer edge of the fan blade.