Driving force transmission mechanism and image forming apparatus

A driving force transmission mechanism includes a connection for integrally rotating a driving shaft on the driving source side and a driven shaft of a rotary member. The connection includes a tubular boss portion; and a fitting shaft portion fitted into the tubular boss portion. An inner shaft port...

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Bibliographic Details
Main Authors OSHIKAWA YUKI, TAKAHASHI YUTAKA, YOSHIZAWA HIDEO, KITA EMI, YONEDA TAKUZI, TSUDA KIYONORI, UTSUNOMIYA KOHICHI
Format Patent
LanguageEnglish
Published 18.08.2015
Subjects
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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Summary:A driving force transmission mechanism includes a connection for integrally rotating a driving shaft on the driving source side and a driven shaft of a rotary member. The connection includes a tubular boss portion; and a fitting shaft portion fitted into the tubular boss portion. An inner shaft portion is provided in a projecting manner from bottom center of the tubular boss portion toward inside the tubular boss portion. An inner recessed portion into which the inner shaft portion fits is provided in center of a leading edge plane for fitting of the fitting shaft portion. Micro gaps are provided between an inner surface of the tubular boss portion and an outer surface of the fitting shaft portion and between an inner surface of the inner recessed portion and an outer surface of the inner shaft portion.
Bibliography:Application Number: US201213398063