Variable pitch sheave and method for manufacturing same

The invention features a three piece variable pitch sheave. In one embodiment, a pair of flanges are positioned on a rotatable central member. One of the flanges is secured in a fixed position, and may contact an abutment surface to locate it on the rotatable central member. The other flange is adju...

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Bibliographische Detailangaben
Hauptverfasser:	HARGROVE TRACY E, ZEDEK JOHN M, SPIVEY JOSEPH D
Format:	Patent
Sprache:	eng
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 invention features a three piece variable pitch sheave. In one embodiment, a pair of flanges are positioned on a rotatable central member. One of the flanges is secured in a fixed position, and may contact an abutment surface to locate it on the rotatable central member. The other flange is adjustably positionable on the rotatable central member, such as by engagement of complementary threads on the flange and the rotatable central member. Torque is transmitted between the first flange and the rotatable central member, such as via cooperating flat surfaces. The flanges may be made as identical elements, such as by a powdered metallurgy process.