发明名称 IMAGE FORMING DEVICE HAVING DETACHABLE DRUM UNIT
摘要 There is provided an image forming device that forms images on recording sheets. The image forming device includes a frame having an opening, a cover movable for opening and closing the opening, a drum unit, a belt unit and a pair of registration rollers. The drum unit is disposed in the frame and having plurality of photosensitive drums each defining an axis, the plurality of photosensitive drums being juxtaposed in line in a direction orthogonal to the axis. The belt unit is accommodated in the frame and having a plurality of rollers and an endless belt mounted over the plurality of rollers under tension, the endless belt having a first running part running in a sheet conveying direction and in direct confrontation with each of the photosensitive drums, the first running part extending in a first direction, the drum unit being movable in the first direction and accessible through the opening. The pair of registration rollers nips the recording sheets therebetween to correct skew in the recording sheets and to convey each recording sheet toward the belt unit, the pair of registration rollers being supported to the frame and disposed at a side opposite to the drum unit with respect to an imaginary plane which is an extension of the first running part, the pair of registration rollers defining a nip point therebetween where the recording sheet is nipped, the nip point being located at a position aligned with the belt unit.
申请公布号 US2009190978(A1) 申请公布日期 2009.07.30
申请号 US20090359720 申请日期 2009.01.26
申请人 BROTHER KOGYO KABUSHIKI KAISHA 发明人 IKEZAKI YOSHIYUKI
分类号 G03G15/00 主分类号 G03G15/00
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