HUB-BASED DRIVE COUPLING MECHANISM FOR A FUSER BACKUP MEMBER, AND METHODS OF USING SAME

A hub-based drive coupling mechanism for a fusing assembly, including a gear operatively coupled to a motor; a hub member; and a backup roll having a shaft rotatably coupled to the gear via the hub member, the gear including an outer cylindrical portion having a plurality of tabs disposed along an i...

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Bibliographische Detailangaben
Hauptverfasser:	BUCHANAN, Jeffery James, GEYLING, Alexander J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BRAKES CINEMATOGRAPHY CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ELECTROGRAPHY ELECTROPHOTOGRAPHY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MAGNETOGRAPHY MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A hub-based drive coupling mechanism for a fusing assembly, including a gear operatively coupled to a motor; a hub member; and a backup roll having a shaft rotatably coupled to the gear via the hub member, the gear including an outer cylindrical portion having a plurality of tabs disposed along an inner surface thereof, the hub member including an annular portion having a plurality of protrusions radially extending therefrom, and the backup roll shaft having a pin member. The gear rotates for a first fraction of a revolution without rotating the hub member and the backup roll due to the tabs of the gear not contacting the protrusions of the hub member, and rotates for a second fraction of the revolution with the hub member due to contact between the tabs and protrusions, but without rotating the backup roll.