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    Drive sprocket for a tracked vehicle
    371.
    发明授权
    Drive sprocket for a tracked vehicle 有权

    公开(公告)号：US10988190B2

    公开(公告)日：2021-04-27

    申请号：US16224749

    申请日：2018-12-18

    Applicant: MTD PRODUCTS INC

    Inventor： Jimmy N. Eavenson, Sr. ,  Peter Joseph Buchanan

    IPC: B62D55/125 ,  B62D55/12 ,  F16H55/30

    Abstract: A drive sprocket for driving a track of a tracked vehicle is provided. The drive sprocket includes an interior ring, an exterior ring, and an intermediate ring situated between the interior ring and the exterior ring. The interior ring, exterior ring, and intermediate ring are oriented in a substantially spaced-apart manner, each of the rings have an outer peripheral surface. A plurality of rods is attached to the rings adjacent to the outer peripheral surface thereof. The interior, exterior, and intermediate rings have a substantially “U” or “J” shape.

    Drop handle mower
    372.
    发明授权
    Drop handle mower 有权

    公开(公告)号：US10856468B2

    公开(公告)日：2020-12-08

    申请号：US16180100

    申请日：2018-11-05

    Applicant: MTD PRODUCTS INC

    Inventor： Jeffery Legan ,  Timothy Dilgard

    IPC: A01D34/82 ,  A01D34/68 ,  A01D34/67 ,  A01D101/00

    Abstract: A walk-behind mower includes a deck. The deck includes a rear portion, a power source attached to the deck, a plurality of wheels attached to the deck, a handle attached to the rear portion of the deck. Structure is included to enable a distal end of the handle to be selectively located in a plurality of positions. The handle extends upward and rearward from the rear portion of the deck.

    LOW IMPACT TURF WHEEL AND WHEEL CLEANING SYSTEM
    374.
    发明申请
    LOW IMPACT TURF WHEEL AND WHEEL CLEANING SYSTEM 审中-公开

    公开(公告)号：US20200369080A1

    公开(公告)日：2020-11-26

    申请号：US16881522

    申请日：2020-05-22

    Applicant: MTD PRODUCTS INC

    Inventor： Ryan Cmich

    IPC: B60B15/08 ,  B60S1/68 ,  B60B15/02

    Abstract: A turf wheel having a wheel rim having an inner and outer surface, and an annular tread portion; a plurality of projections extending radially outward from the outer surface of the wheel rim, wherein each projection provides a stem, a ground contacting pad, and a ground engaging lug; and a hub. A wheel cleaning system having a frame provided by a wheeled apparatus; at least one turf wheel mounted to the frame; a turf wheel scraper assembly, the turf wheel scraper assembly providing a turf wheel scraper and an attachment mechanism, where the attachment mechanism is adapted to be mounted to the frame, and couples the turf wheel scraper to the frame.

    Wheel assemblies with non-pneumatic tires
    378.
    发明授权
    Wheel assemblies with non-pneumatic tires 有权

    公开(公告)号：US10703140B2

    公开(公告)日：2020-07-07

    申请号：US15809510

    申请日：2017-11-10

    Applicant: MTD Products Inc

    Inventor： Axel Schaedler ,  Peter J. Buchanan

    IPC: B60C7/24 ,  B60C7/10 ,  B60C7/26 ,  B60B25/00 ,  B60C11/03 ,  B60C7/14

    Abstract: A non-pneumatic tire assembly includes a non-pneumatic tire. The non-pneumatic tire includes an inner circumferential ring and an outer circumferential ring defining an annular space and a cylindrical space inside the inner circumferential ring. A plurality of partitions connect the circumferential rings within the annular space. A ground-contacting tread is located on the outer circumferential ring. A rim, including a plurality of pieces, is located within the cylindrical space. The non-pneumatic tire assembly further includes a hub that is removably connected to the rim.

    Autonomous mower navigation system and method
    379.
    发明授权
    Autonomous mower navigation system and method 有权

    公开(公告)号：US10698417B2

    公开(公告)日：2020-06-30

    申请号：US15588025

    申请日：2017-05-05

    Applicant: MTD Products Inc

    Inventor： Christopher J. Churavy ,  Edward J. Blanchard

    IPC: G05D1/02 ,  A01D34/00 ,  H03M13/15 ,  G01S5/00 ,  A01D101/00

    Abstract: A method for autonomous mower navigation includes receiving a return-to-zero encoded signal including a pseudo-random sequence, transforming the received signal to a non-return-to-zero representation, digitally sampling the non-return-to-zero signal representation in a time domain, filtering the sampled signal utilizing a reference data array based on the return-to-zero encoded signal to produce a filter output, and determining a location of the autonomous mower relative to a defined work area based on an evaluation of the filter output.

    DIFFERENTIAL TRACTION DRIVE AND STEERING AXIS COORDINATION SYSTEM AND METHOD
    380.
    发明申请
    DIFFERENTIAL TRACTION DRIVE AND STEERING AXIS COORDINATION SYSTEM AND METHOD 审中-公开

    公开(公告)号：US20200172166A1

    公开(公告)日：2020-06-04

    申请号：US16699990

    申请日：2019-12-02

    Applicant: MTD PRODUCTS INC

    Inventor： Her-Jye Chang ,  Aaron Smith ,  Jay E. Maggard

    IPC: B62D11/10 ,  B62D6/00 ,  A01D34/00 ,  G05D1/02 ,  B60W10/20 ,  B62D1/28

    Abstract: A system and method for differential traction drive and steering axis coordination for an autonomous mower or other turf device includes initiating a steering motion based on determining a target forward speed and a steering rotational speed, calculating a left wheel speed and a right wheel speed, and applying the left and right wheel speeds, wherein the steering rotational speed is driven by a steering motor and the traction wheels associated with the autonomous mower, and the left and right wheel speeds are based on the target forward speed, a distance from a steering axle to the center of the respective wheel, and the steering rotational speed.

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