Umbrella stand type expansion screw

The utility model discloses an umbrella stand type expansion screw which comprises a screw rod, a fixing pipe is arranged on one side of the screw rod, an expansion pipe is arranged on the screw rod, a nut and a gasket are arranged on the screw rod, the fixing rod is provided with an anti-disengagem...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU LUNTAO, SHEN DACHAO, CHEN ZHENGTAI, WANG YANJIE, YUE CHUNWEI, LIU MAOLIN, WU HONGYE, WEI RENXING, GUO YANSONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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