STRUCTURE OF DRIVING DRIVEN-ROTARY BODY AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To suppress the rotation speed irregularity of a driven rotary body in the case where an axial shift occurs between the driven rotary body and a driving force transmission member.SOLUTION: A photoreceptor drive structure 100 includes: a photoreceptor 31 provided with a first co...

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Bibliographische Detailangaben
Hauptverfasser:	KAWAI ATSUSHI, SAKURAI YUMI
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To suppress the rotation speed irregularity of a driven rotary body in the case where an axial shift occurs between the driven rotary body and a driving force transmission member.SOLUTION: A photoreceptor drive structure 100 includes: a photoreceptor 31 provided with a first coupling member 102 having a concave portion 102E on an end portion of a rotation shaft 31A; a first gear 104 having a hole 104E formed; a first connection member 106 having first and second spherical portions 106B and 106C formed on both ends of a shaft portion 106A and connecting the first gear 104 to the first coupling member 102; a spring 108 for energizing the first connection member 106 toward the concave portion 102E side. Here, no other drive force transmission member exists between the first connection member 106 and concave portion 102E, minimizing a play due to accumulation of component accuracy, thereby making it possible to suppress the rotation speed irregularity of the photoreceptor 31.