Toner case and image forming apparatus including the same

    公开(公告)号:US09740142B2

    公开(公告)日:2017-08-22

    申请号:US15371873

    申请日:2016-12-07

    Abstract: A toner case includes a case main body and a cleaning member. The case main body is capable of containing a toner supplied to an image forming part arranged inside an apparatus main body and is attachable to and detachable from a supplying attachment part of the apparatus main body along an attachment and detachment direction. The cleaning member is arranged at an outer circumferential face of the case main body. The case main body rotates inside the supplying attachment part in a first direction so as to convey the toner toward a communicating port formed at a first side in the attachment and detachment direction. The cleaning member rotates integrally with the case main body in the first direction so as to clean an inner circumferential face of the supplying attachment part.

    Untransferred toner recovery device and image forming apparatus
    32.
    发明授权
    Untransferred toner recovery device and image forming apparatus 有权
    未转印调色剂回收装置和成像装置

    公开(公告)号:US09285710B2

    公开(公告)日:2016-03-15

    申请号:US14719379

    申请日:2015-05-22

    CPC classification number: G03G15/0891 G03G21/105

    Abstract: In an initial recovery stage of untransferred toner, a conveying stirring screw is rotated at a high speed by using a second driving path. When the amount of collected untransferred toner increases and the rotating torque of the conveying stirring screw reaches a setting torque value of a second torque limiter, a driving path is switched to a first driving path, so that the conveying stirring screw is rotated at a low speed. When the amount of the collected untransferred toner further increases and the rotating torque of the conveying stirring screw reaches a setting torque value of a first torque limiter, the first driving path is also disconnected to block torque transfer to the conveying stirring screw.

    Abstract translation: 在未转印调色剂的初始恢复阶段,通过使用第二驱动路径高速旋转输送搅拌螺杆。 当收集的未转印调色剂的量增加并且输送搅拌螺杆的旋转扭矩达到第二扭矩限制器的设定扭矩值时,将驱动路径切换到第一驱动路径,使得输送搅拌螺杆低转 速度。 当收集的未转印调色剂的量进一步增加并且输送搅拌螺杆的旋转扭矩达到第一扭矩限制器的设定扭矩值时,也断开第一驱动路径以阻止转移到输送搅拌螺杆的扭矩。

    TONER TRANSPORTATION DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME
    33.
    发明申请
    TONER TRANSPORTATION DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME 有权
    调色剂运输装置和图像形成装置与其配套

    公开(公告)号:US20130272764A1

    公开(公告)日:2013-10-17

    申请号:US13863052

    申请日:2013-04-15

    Abstract: A toner transportation device according to the present disclosure includes a transportation screw that has a rotational shaft and a transportation fin formed on an outer circumferential surface of the rotational shaft and a toner transportation pipe that has a circular shape in cross section. The transportation screw is rotatably positioned in the toner transportation pipe. A support member is attached to the rotational shaft that has a bearing portion having an annular shape and rotatably fitted onto the rotational shaft and that has a plurality of leg portions radially protruding outward from an outer circumferential surface of the bearing portion. A distance between an axis of the rotational shaft and a tip of each leg portion is greater than a radius of the transportation fin and equal to or less than a radius of an inner circumferential surface of the toner transportation pipe.

    Abstract translation: 根据本公开的调色剂输送装置包括具有旋转轴和形成在旋转轴的外圆周表面上的输送翅片的输送螺杆和具有圆形截面的调色剂输送管。 输送螺杆可旋转地定位在调色剂输送管中。 支撑构件附接到具有环形形状并且可旋转地装配到旋转轴上的轴承部分的旋转轴,并且具有从轴承部分的外周面向外径向突出的多个腿部。 旋转轴的轴线与每个支腿部分的前端之间的距离大于输送翅片的半径并且等于或小于调色剂输送管的内圆周表面的半径。

    Sheet post-processing device
    34.
    发明授权

    公开(公告)号:US12280979B2

    公开(公告)日:2025-04-22

    申请号:US18463772

    申请日:2023-09-08

    Abstract: A sheet post-processing device includes a discharge port, a discharge tray, and a sheet holding member. On the discharge tray, a sheet discharged through the discharge port is stacked. The sheet holding member is swingably attached above the discharge port, and holds the sheet stacked on the discharge tray. The sheet holding member has a plurality of link members and a joint portion. The plurality of link members are coupled to each other along a discharge direction of the sheet. The joint portion couples the plurality of link members to each other. The sheet holding member is capable of changing a shape thereof by being bent at the joint portion in an up-down direction.

    Sheet folding device, sheet post-processor provided with the same, and image forming system

    公开(公告)号:US11987469B2

    公开(公告)日:2024-05-21

    申请号:US18153967

    申请日:2023-01-12

    CPC classification number: B65H37/06 B65H45/167 B65H2301/452 B65H2801/27

    Abstract: A sheet folding device includes a sheet conveyance path, first and second side plates, a first folding roller pair, a first folding guide, and a guide drive mechanism. The first folding guide is reciprocatable between a folding position and a retracted position, and includes a guide main body and first and second arms provided respectively at both ends of the guide main body. The guide drive mechanism includes a drive source provided on the first side plate, a first drive transmission portion that transmits a drive force of the drive source to the first arm, a second drive transmission portion that transmits the drive force to the second arm, and a drive coupling portion that couples the first drive transmission portion to the second drive transmission portion and transmits the drive force from the first drive transmission portion to the second drive transmission portion.

    Sheet folding device and sheet post-processor provided with the same

    公开(公告)号:US11926500B2

    公开(公告)日:2024-03-12

    申请号:US18066449

    申请日:2022-12-15

    CPC classification number: B65H45/162 B65H37/06 B65H2801/27

    Abstract: A sheet folding device includes a sheet conveyance path, a first folding conveyance path, a first folding roller pair, a first folding guide, and a conveyance roller. The first folding roller pair is composed of a first roller and a second roller forming a first folding nip by being brought into pressure contact with an upstream side of the first roller. The first folding guide is movable between a folding position at which it approaches the first folding nip, guiding a to-be-folded part of a sheet to the first folding nip, and a retracted position at which it is away from the first folding nip. The conveyance roller forms, together with the second roller, a first assist roller pair that conveys the sheet along the sheet conveyance path. The first folding guide has a pivot fulcrum on a downstream side relative to the first folding nip in the conveyance direction.

    Sheet post-processing apparatus
    37.
    发明授权

    公开(公告)号:US11712866B2

    公开(公告)日:2023-08-01

    申请号:US17587520

    申请日:2022-01-28

    CPC classification number: B31F1/10 B42C19/02 B65H45/04 B65H45/20 B65H2801/48

    Abstract: A sheet post-processing apparatus includes a first sheet conveyance passage, a second sheet conveyance passage, a sheet folding portion, and a merging portion. The second sheet conveyance passage branches off from a branch portion on the first sheet conveyance passage. The merging portion is located downstream of the branch portion on the first sheet conveyance passage, and there a folding conveyance passage of the sheet folding portion merges with the first sheet conveyance passage. When performing a folding process on a sheet, a controller guides the sheet conveyed from a sheet introduction port into the first sheet conveyance passage via the branch portion to the second sheet conveyance passage, then reverses the conveyance direction to guide the sheet to the sheet folding portion to perform the folding process, and passes the sheet through the folding conveyance passage, merges the sheet into the first sheet conveyance passage at the merging portion.

    Waste toner collecting device and image forming apparatus

    公开(公告)号:US10481548B2

    公开(公告)日:2019-11-19

    申请号:US16163138

    申请日:2018-10-17

    Inventor: Koji Murata

    Abstract: In a waste toner collecting device, primary cleaning devices and a secondary cleaning device remove residual toner that has remained on photoconductor drums and an intermediate transfer belt, respectively. A conveyance path guides the residual toner in a downstream direction. A toner container stores, as waste toner, the residual toner discharged from a downstream end of the conveyance path. A toner amount sensor outputs a detection signal whose level changes in correspondence with an amount of the waste toner. A derivation portion derives an accumulated value of the residual toner based on image data each time an image formation is performed. A determination portion determines whether or not an abnormality has occurred in the waste toner collecting device based on the level of the detection signal and the accumulated value.

    IMAGE FORMING APPARATUS, TONER CASE ATTACHABLE TO IMAGE FORMING APPARATUS

    公开(公告)号:US20180307157A1

    公开(公告)日:2018-10-25

    申请号:US15961628

    申请日:2018-04-24

    CPC classification number: G03G15/0865 G03G2215/0692

    Abstract: A shutter member of a toner case includes a compatible key and an engaged portion. A storage portion for storing the toner case includes a compatible member rockably supported at a position that faces the shutter member during an insertion process of the toner case. The compatible member includes a first contact portion and a first engaging portion. The first contact portion is located on a forward side of a rocking shaft of the compatible member in the insertion direction. The first engaging portion is located on a backward side of the rocking shaft in the insertion direction. During an insertion process of the toner case, the first engaging portion of the compatible member is engaged with the engaged portion so that the shutter member moves from a closing position to an opening position.

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