PULLEY STRUCTURE

The present invention pertains to a pulley structure (1) equipped with an outer rotating body (2), an inner rotating body (3), and a coil spring (4), said pulley structure 1 characterized in that a cross section of the spring wire of the coil spring (4) along a direction running along the rotational...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMAMURA, HAYATO, DAN, RYOSUKE, IMAI, KATSUYA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING 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 present invention pertains to a pulley structure (1) equipped with an outer rotating body (2), an inner rotating body (3), and a coil spring (4), said pulley structure 1 characterized in that a cross section of the spring wire of the coil spring (4) along a direction running along the rotational axis and parallel to the rotational axis is a trapezoidal shape, the length Ti [mm] of an inner-diameter-side portion in the rotational axis direction in the cross section is greater than the length To [mm] of an outer-diameter-side portion in the rotational axis direction in the cross section, and when the number of windings of the coil spring (4) is N, expression (1) is satisfied. N×(Ti-To)/2