Bolt convenient to installation

The utility model discloses a bolt convenient to installation, including nut, catch bar, screw rod and swinging boom, its characterized in that, the swinging boom includes one -level the stretch out and draw back flexible rocking arm of rocking arm, second grade, tertiary flexible rocking arm and th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIA GUOFANG
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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Beschreibung
Zusammenfassung:	The utility model discloses a bolt convenient to installation, including nut, catch bar, screw rod and swinging boom, its characterized in that, the swinging boom includes one -level the stretch out and draw back flexible rocking arm of rocking arm, second grade, tertiary flexible rocking arm and the flexible rocking arm of level four, the below welding of nut has the screw rod, the hollow structure of nut, the fixed connection blocking sheet that is equipped with in the outside of nut, connection blocking sheet's the fixed slider that is equipped with in one side, the slider is connected withthe flexible rocking arm of one -level, the fixed connection blocking sheet that is equipped with in the outside of the flexible rocking arm of one -level, the slider is connected with the flexible rocking arm of second grade, the fixed connection blocking sheet that is equipped with in the outside of the flexible rocking arm of second grade, the slider is connected with tertiary flexible rockingarm, the fixed connection