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    Self-Propelled Cart
    1.
    发明公开
    Self-Propelled Cart 审中-公开

    公开(公告)号：US20230192168A1

    公开(公告)日：2023-06-22

    申请号：US18068489

    申请日：2022-12-19

    Applicant: Hall Labs, LLC

    Inventor： David R. Hall ,  Jerome Miles ,  Jeffery Duncan

    IPC: B62B5/00 ,  B62B3/02

    CPC classification number: B62B5/0033 ,  B62B3/02 ,  B62B2206/06

    Abstract: A self-propelled cart comprising: a body having a generally rectangular prism shape with a top, bottom, front end, rear end, and two sides, the body further comprising: a battery compartment, and a utility platform comprising a plurality of connecting features for releasable attachment of one or more components to the platform; a rechargeable battery housed in the battery compartment; a controller; four arms having a first end and a second end, each pivotally attached at the first end to the body; four wheels, each connected to the second end of one of the four arms; four arm actuators, each configured to pivot one of the four arms such that each wheel can be moved closer to or further away from the body; and at least two motors powered by the battery, each configured to rotate one of the four wheels, each independently controlled by the controller, whereby the controller can move the cart and control the yaw of the cart by rotating one or more of the four wheels; at least one sensor for determining the pitch of the cart in communication with the controller, whereby the controller is able to adjust the height of the cart and the pitch of the cart by pivoting one or more of the four arm actuators is disclosed.

    POOL CLEANER CADDY WITH REMOVABLE WHEEL ASSEMBLIES
    4.
    发明申请
    POOL CLEANER CADDY WITH REMOVABLE WHEEL ASSEMBLIES 审中-公开

    公开(公告)号：US20180327014A1

    公开(公告)日：2018-11-15

    申请号：US15592371

    申请日：2017-05-11

    Applicant: Hayward Industries, Inc.

    Inventor： Garrett Jacob Ferrell

    IPC: B62B3/10 ,  E04H4/16 ,  B62B5/06 ,  B62B5/00

    CPC classification number: B62B3/104 ,  B62B5/0033 ,  B62B5/06 ,  B62B2202/02 ,  B62B2202/50 ,  B62B2203/44 ,  B62B2301/254 ,  B62B2301/33 ,  E04H4/1654

    Abstract: Exemplary embodiments are directed to pool cleaners that remove debris from water using a plurality of cyclonic flows, or that include a removable impeller subassembly, a check valve for a debris canister, a particle separator assembly having a handle that locks to the pool cleaner, a modular roller drive gear box, or a roller latch that secures a roller to the pool cleaner. Exemplary embodiments are also directed to the check valve and the roller latch themselves. Exemplary embodiments are directed to a filter medium for pool cleaners that includes embossments providing flow channels for water, and to roller assemblies for pool cleaners. Exemplary embodiments are directed to pool cleaners including alternative pump motor engagements. Exemplary embodiments are directed to pool cleaners power supplies that include a potted and contoured power board assembly, and to kickstands therefor. Exemplary embodiments are directed to a pool cleaner caddy, and removable wheels therefor.

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