Concealed roller anti-theft screw nut

The utility model relates to an anti-dismounting and theftproof screw nut, which is composed of a screw nut main body, an arc-shaped contraction shrink groove which is connected with a screw thread surface of the screw nut and is arranged on the screw nut main body, and a roller which is arranged on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DAN YU, HUIYU ZHAN, SHUNZHANG ZENG
Format:	Patent
Sprache:	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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Beschreibung
Zusammenfassung:	The utility model relates to an anti-dismounting and theftproof screw nut, which is composed of a screw nut main body, an arc-shaped contraction shrink groove which is connected with a screw thread surface of the screw nut and is arranged on the screw nut main body, and a roller which is arranged on a wide side end of the arc-shaped contraction groove. The arc-shaped contraction groove is an arc-shaped contraction groove in a blind hole shape which opens from a bottom surface to top, after the utility model is installed, and the roller is completely hidden in the screw nut main body. The anti-dismounting performance and the theftproof performance are enhanced, and the utility model can replace the existing various anti-dismounting and theftproof screw nut to use.