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    WORKING MACHINE
    1.
    发明申请
    WORKING MACHINE 有权

    公开(公告)号：US20230101418A1

    公开(公告)日：2023-03-30

    申请号：US17954996

    申请日：2022-09-28

    Applicant: Makita Corporation

    Inventor： Kohei OISHI ,  Tomoyuki Kutsuna

    IPC: A01D34/10 ,  A01D34/40

    Abstract: A working machine may include: a conversion mechanism configured to convert motion of a prime mover; a first blade connected to the conversion mechanism; a second blade overlapping with the first blade in an up-down direction and facing a first facing surface of the first blade; a sealing member engaged with a first non-facing surface of the first blade that is opposite to the first facing surface, wherein the sealing member includes a first sealing surface facing the first non-facing surface in the up-down direction; and a cover member facing a second sealing surface of the sealing member that is opposite to the first sealing surface of the sealing member. The sealing member may be disposed forward of the conversion mechanism and configured to suppress the object cut with the first blade and the second blade from moving toward the conversion mechanism between the first blade and the cover member.

    WORKING MACHINE AND BLADE UNIT
    3.
    发明公开
    WORKING MACHINE AND BLADE UNIT 审中-公开

    公开(公告)号：US20230284556A1

    公开(公告)日：2023-09-14

    申请号：US18178581

    申请日：2023-03-06

    Applicant: Makita Corporation

    Inventor： Kohei OISHI ,  Takayoshi IIO ,  Tomoyuki KUTSUNA ,  Satoshi TAKAHASHI

    IPC: A01D34/17 ,  A01D34/10 ,  A01D34/14

    CPC classification number: A01D34/17 ,  A01D34/10 ,  A01D34/145 ,  A01D34/37

    Abstract: A working machine may include: a first blade; a second blade overlapping with the first blade in an up-down direction; and a holding unit configured to hold the first blade and the second blade overlapping each other in the up-down direction. The first blade may be configured to reciprocate in a direction perpendicular to the up-down direction with respect to the second blade. The first blade may include a first elongated hole having a longitudinal direction along the reciprocating direction. The second blade may include a second elongated hole having a longitudinal direction along the reciprocating direction. The holding unit may include: a holding part inserted in the first elongated hole of the first blade and the second elongated hole of the second blade; and an outer sleeve having a cylindrical shape and supported by the holding part such that the outer sleeve is rotatable around the holding part.

    CHAIN SAW
    4.
    发明申请
    CHAIN SAW 有权

    公开(公告)号：US20220203513A1

    公开(公告)日：2022-06-30

    申请号：US17551478

    申请日：2021-12-15

    Applicant: MAKITA CORPORATION

    Inventor： Kohei OISHI ,  Ryo SUNAZUKA ,  Yoshifumi WATANABE

    IPC: B25F5/00 ,  B27B17/12 ,  B27B17/02 ,  B27B17/08

    Abstract: A chain saw may include a saw chain, a guide bar to which the saw chain is attached, a sprocket configured to run the saw chain along a periphery of the guide bar, a prime mover configured to rotate the sprocket, an oil tank configured to store oil to be supplied to the saw chain, a housing that houses the prime mover and the oil tank, a bolt protruding from the housing and penetrating a hole disposed in the guide bar, a nut screwed onto the bolt to fix the guide bar to the housing, and a heat dissipating structure configured to dissipate heat from the bolt to the oil in the oil tank.

    HANDCART
    6.
    发明申请
    HANDCART 有权

    公开(公告)号：US20210039698A1

    公开(公告)日：2021-02-11

    申请号：US16986455

    申请日：2020-08-06

    Applicant: Makita Corporation

    Inventor： Susumu KATO ,  Tomonobu NASHIMOTO ,  Kohei OISHI ,  Yasuo IFUKU

    IPC: B62B3/02 ,  B62B5/06

    Abstract: A handcart may include a support frame, an actuator, a rotating frame configured to be rotated relative to the support frame by the actuator and a container configured to be rotated relative to the support frame. The container may be configured to be rotated with the rotating frame relative to the support frame when the rotating frame is rotated relative to the support frame by the actuator. The rotating frame may be rotatable up to a position at which an angle between the support frame and the rotating frame becomes a first rotation angle. The container may be rotatable up to a position at which an angle between the support frame and the container becomes a second rotation angle, the second rotation angle being greater than the first rotation angle.

    HANDCART
    7.
    发明申请
    HANDCART 有权

    公开(公告)号：US20210039697A1

    公开(公告)日：2021-02-11

    申请号：US16986362

    申请日：2020-08-06

    Applicant: MAKITA CORPORATION

    Inventor： Yoshinori SHIBATA ,  Susumu KATO ,  Tomonobu NASHIMOTO ,  Kohei OISHI ,  Yasuo IFUKU

    IPC: B62B3/02 ,  B62B5/00 ,  B62B5/04 ,  B62B3/08 ,  F16H48/20 ,  F16H63/34

    Abstract: A handcart may include a chassis unit and a container unit configured to be detachably attached to the chassis unit. The chassis unit may include a front wheel unit rotatably supporting a front wheel; a rear wheel unit rotatably supporting a rear wheel; a chassis frame extending in a front-rear direction and supporting the front and rear wheel units; and a prime mover configured to rotate at least one of the front wheel and the rear Wheel as a drive wheel. The container unit may be selected from a group including at least a first container unit and a second container unit. The first container unit may include a first container and a first container frame extending in the front-rear direction and supporting the first container, The second container unit may include a second container and a second container frame extending in the front-rear direction and supporting the second container.

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