Rotation transmission structure and image forming apparatus

    公开(公告)号:US11796956B2

    公开(公告)日:2023-10-24

    申请号:US17869741

    申请日:2022-07-20

    CPC classification number: G03G15/757 G03G21/1647 G03G21/1857 G03G2221/1657

    Abstract: A rotation transmission structure includes: a first member that is provided on a rotating body and includes a plural straight teeth extending in an axial direction of the rotating body and arranged in a circumferential direction; a second member that is provided on a moving body moving in the axial direction of the rotating body, includes a plural straight teeth extending in the axial direction of the rotating body and arranged in the circumferential direction, and is fitted to the first member to transmit rotation of the rotating body to the moving body in a case where the moving body approaches the rotating body; a biasing member that biases the first member toward the moving body; and a rotation mechanism that is provided between the first member and the rotating body and rotates the first member in a case where the first member is moved toward the rotating body.

    Driving device, apparatus including openable/closeable member, and image forming apparatus

    公开(公告)号:US11774901B1

    公开(公告)日:2023-10-03

    申请号:US17966179

    申请日:2022-10-14

    Abstract: A driving device includes a driving source, a fixing portion to which the driving source is fixed, a first transmission portion attached to the fixing portion to transmit a driving force from the driving source, a second transmission portion engaged with the first transmission portion while having an intermeshing width in a first direction to receive the driving force from the first transmission portion, a mount portion located in the first direction from the fixing portion and to which the second transmission portion is attached, a fastening portion including a mounted portion disposed on a side of the fixing portion opposite to a side facing the mount portion, the fastening portion fastening the fixing portion and the mount portion to each other, a first cushioning member disposed between the mounted portion and the fixing portion, and a second cushioning member disposed between the fixing portion and the mount portion, and having a greater spring constant than the first cushioning member.

    Intermittent drive device
    3.
    发明授权

    公开(公告)号:US11480237B2

    公开(公告)日:2022-10-25

    申请号:US17408472

    申请日:2021-08-22

    Abstract: An intermittent drive device includes a tooth-missing gear having a tooth row partially missing, an output gear, an input gear provided with a first tooth row receiving a driving force and a second tooth row transmitting the driving force to the tooth-missing gear and arranged at a position apart from the output gear in a rotation axis direction. A shaft joint member moves in the rotation axis direction to a first position where the driving force is transmitted to the output gear and a second position where the transmission is released. A tooth-missing gear control mechanism starts rotation of the tooth-missing gear from a state where the driving force from the input gear is released and meshes with the input gear. A switching mechanism switches a position of the shaft joint member in the rotation axis direction between the first position and the second position.

    Driving force transmission device and image forming apparatus

    公开(公告)号:US12187560B2

    公开(公告)日:2025-01-07

    申请号:US17403854

    申请日:2021-08-16

    Abstract: A driving force transmission device includes a rotating body that is rotated by receiving a driving force, a control unit that controls rotation of the other rotating part by being switched between a connection state where the control unit is connected to the other rotating part and a separation state where the control unit is separated from the other rotating part as states of the control unit with respect to the other rotating part, and an operation unit that is operated by receiving a force output from the rotating body and includes a contact mechanism to be in contact with the control unit, the contact mechanism being moved by the force output from the rotating body to operate the control unit and the contact mechanism then being separated from the control unit.

    Drive switching device, sheet transport device, and image forming apparatus

    公开(公告)号:US12116233B2

    公开(公告)日:2024-10-15

    申请号:US17976176

    申请日:2022-10-28

    CPC classification number: B65H7/00 B65H2402/441 B65H2403/51 B65H2403/70

    Abstract: A drive switching device includes: a covering member that is rotatably provided on a support shaft provided in a housing including a driver, and is rotatable from a closed position for covering an inside of the housing to an open position for exposing the inside of the housing; an input unit that is provided in the covering member, and receives an input of displacement caused by rotation of the covering member; a release member provided in a direction apart from the input unit inside the housing and including a cam that moves in conjunction with movement of the input unit, the release member being configured to, upon rotation of the covering member toward the open position, disconnect a drive transmission path of the driver by the cam; and multiple links connected to the input unit and the cam, the multiple links being configured to, upon rotation of the covering member, move the cam in an opposite direction to a direction in which the input unit is moved.

    Power transmission member with teeth and grooves, transfer device, and image forming apparatus

    公开(公告)号:US11960227B2

    公开(公告)日:2024-04-16

    申请号:US17994184

    申请日:2022-11-25

    Abstract: A power transmission member includes: a male member formed from a resin material and including a plurality of engagement teeth arranged at regular intervals in a circumferential direction when viewed in an axial direction, the engagement teeth having a uniform thickness in a radial direction; a female member including a to-be-engaged portion to which the engagement teeth are fitted as a result of the female member moving in the axial direction relative to the male member; and a fitting member disposed at the male member and the female member, the fitting member fitting the engagement teeth to the to-be-engaged portion while the male member and the female member are located in predetermined opposing positions in the circumferential direction to engage the male member and the female member with each other.

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