Driving force transmission mechanism and image forming apparatus

A driving force transmission mechanism (M) includes a connection (50) for integrally rotating a driving shaft (60) on the driving source side and a driven shaft (70) of a rotary member. The connection (50) includes a tubular boss portion (61); and a fitting shaft portion (62) fitted into the tubular...

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Bibliographic Details
Main Authors YOSHIZAWA, HIDEO, YONEDA, TAKUZI, TSUDA, KIYONORI, UTSUNOMIYA, KOHICHI, TAKAHASHI, YUTAKA, OSHIKAWA, YUKI, KITA, EMI
Format Patent
LanguageEnglish
French
German
Published 12.09.2012
Subjects
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A driving force transmission mechanism (M) includes a connection (50) for integrally rotating a driving shaft (60) on the driving source side and a driven shaft (70) of a rotary member. The connection (50) includes a tubular boss portion (61); and a fitting shaft portion (62) fitted into the tubular boss portion (61). An inner shaft portion (63) is provided in a projecting manner from bottom center of the tubular boss portion (61) toward inside the tubular boss portion (61). An inner recessed portion (64) into which the inner shaft portion (63) fits is provided in center of a leading edge plane (62a) for fitting of the fitting shaft portion (62). Micro gaps (S1, S2) are provided between an inner surface of the tubular boss portion (61) and an outer surface of the fitting shaft portion (62) and between an inner surface of the inner recessed portion (64) and an outer surface of the inner shaft portion (63).
Bibliography:Application Number: EP20120157139