Portable non-electric fan

The portable fan without electric energy is composed of casing, force-applied press handle, gear and blades. When hand puts pressure on the press handle, it drives the combined gears, inertial wheel and blades to rotate.

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Bibliographische Detailangaben
1. Verfasser:	SHI CHENGQUAN
Format:	Patent
Sprache:	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 portable fan without electric energy is composed of casing, force-applied press handle, gear and blades. When hand puts pressure on the press handle, it drives the combined gears, inertial wheel and blades to rotate.