Spacer and rotary connection apparatus using the same

A rotary connection apparatus includes a base, a rotating body, a spacer and a number of balls. The spacer and the balls are accommodated between the base and the rotating body. The rotating body can rotate with respect to the base. The thickness of the spacer is less than the diameter of the balls....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DING, LI-HUA, LI, GUO-FENG, TENG, YA-PING, YE, HUI, YEN, CHUN, HSIEH, FENG-HSING, HE, MENG-HUA, WANG, LING-KONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A rotary connection apparatus includes a base, a rotating body, a spacer and a number of balls. The spacer and the balls are accommodated between the base and the rotating body. The rotating body can rotate with respect to the base. The thickness of the spacer is less than the diameter of the balls. The spacer further defines a number of through holes, and the diameter of the through holes at opposite sides of the spacer is less than that of the ball. A spacer is also provided.