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|국가/구분||United States(US) Patent 등록|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 23 인용 특허 : 4|
A photoreceptor drum driving mechanism includes a drum drive gear provided at a leading end of a drive shaft, which is in mesh with an internal gear mounted to a photoreceptor drum and a roller coaxially formed with the drive shaft. The mechanism further includes a circular arc surface in contact with the roller in a deflecting direction of the drive shaft. As a result, the drive shaft of the drum drive gear can be prevented from being deformed in a pressure angle direction of the drum drive gear. As this eliminates irregularities in rotations of the pho...
[ What is claimed is:] [1.] A photoreceptor drum driving mechanism, comprising:a photoreceptor drum provided with an internal drum gear;a drum drive gear supported by an overhang shaft, said drum drive gear being in mesh with said internal drum gear;a driving unit for driving said photoreceptor drum by rotating said drum drive gear; anda roller coaxially formed with a rotation shaft of said drum drive gear, said roller having a curved surface being in contact with a rolling curved surface formed in a concentric circle with a rotation shaft of said photor...