Concrete trowel
    11.
    发明授权

    公开(公告)号:US11927022B2

    公开(公告)日:2024-03-12

    申请号:US17679332

    申请日:2022-02-24

    Inventor: Ian C. Richards

    CPC classification number: E04F21/248

    Abstract: A concrete trowel is disclosed and includes a frame, a drive assembly including a motor mounted on the frame and a drive hub configured to receive torque from the motor, and a rotor rotatable about a rotational axis and including a plurality of blades. The concrete trowel further includes a quick-change coupling for selectively attaching the rotor and the drive hub for co-rotation therewith.

    PLATE COMPACTOR
    12.
    发明公开
    PLATE COMPACTOR 审中-公开

    公开(公告)号:US20240076839A1

    公开(公告)日:2024-03-07

    申请号:US18140032

    申请日:2023-04-27

    CPC classification number: E01C19/402

    Abstract: A plate compactor includes a base, a vibration mechanism coupled to the base, a compacting plate coupled to the base and configured to be vibrated in a vertical direction by the vibration mechanism, and a non-stick coating on a surface of the compacting plate. The compacting plate is configured to compact a work surface. The non-stick coating is configured to prevent a buildup of material on the compacting plate.

    CONCRETE TROWEL
    13.
    发明申请

    公开(公告)号:US20220267968A1

    公开(公告)日:2022-08-25

    申请号:US17679343

    申请日:2022-02-24

    Inventor: Ian C. Richards

    Abstract: A concrete trowel is disclosed and includes a frame, a drive assembly including a motor mounted on the frame and a drive hub configured to receive torque from the motor and a rotor rotatable about a rotational axis. The rotor includes a rotor hub coupled for co-rotation with the drive hub, a plurality of rotor arms radially extending from the rotor hub, and a plurality of blades selectively attached on respective rotor arms by a quick-connect mounting system.

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