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    • 6. 发明授权
    • Edger
    • 边缘
    • US06293349B1
    • 2001-09-25
    • US09374194
    • 1999-08-13
    • James MarshallRichard RosaJacob R. Prosper
    • James MarshallRichard RosaJacob R. Prosper
    • A01D3410
    • A01G3/062
    • An electrically powered lawn edger (10) having a wire wheel (26) specifically adapted for edging and trench cutting applications. The wire wheel includes pairs of twisted wire brush segments (34) which are held within a hub (32) of the wire wheel. The pairs of brush segments are spaced apart radially around a peripheral edge of the hub to produce evenly spaced gaps (36). The gaps help to prevent the edger from “loading up” with dirt and/or turf when edging or cutting a trench and possibly stalling the edger motor (21). A washer (40) having a key shaped boss (44) keys the wire wheel to an output spindle (21a) of the motor to prevent slippage of the wire wheel.
    • 一种具有特别适用于边缘和沟槽切割应用的线轮(26)的电动草坪修边机(10)。 线轮包括一对绞合线刷段(34),它们被保持在线轮的轮毂(32)内。 刷子段对成对地围绕轮毂的周缘径向间隔开以产生均匀间隔开的间隙(36)。 间隙有助于防止边缘磨边或切割沟槽并可能使修边机马达(21)停转,从而在加载污垢和/或草坪时避免磨边。 具有键形凸台(44)的垫圈(40)将线轮连接到马达的输出轴(21a),以防止线轮滑动。
    • 8. 发明申请
    • Cordless electric mower fail-safe charge lockout
    • 无绳电动割草机故障安全充电锁定
    • US20080223012A1
    • 2008-09-18
    • US11717088
    • 2007-03-13
    • Richard RosaDavid M. ShaverDavid Topping
    • Richard RosaDavid M. ShaverDavid Topping
    • A01D69/00
    • A01D34/828A01D69/02
    • A cordless mower, including a start-up key that must be removed to charge a battery. The start-up key must be inserted to operate the motor, and can be moved to a different position or removed to interrupt the motor. The mower cannot be operated when the switch is not actuated. Some embodiments include a lockout relay that disables charging of the battery when a charge on the battery exceeds a predetermined threshold. Thus, the cordless mower can be safely charged by removing the start-up key and inserting a charge connector that cannot otherwise be inserted. The cordless mower can be safely powered by inserting the start-up key and moving it into an operation position, and then closing the switch to run the mower. The cordless mower can be safely shut off in an emergency by removing the start-up key or moving it to a safety position.
    • 无绳割草机,包括必须取出来为电池充电的启动键。 必须插入启动键才能操作电机,并将其移动到不同的位置或拆下以中断电机。 当开关未启动时,割草机无法操作。 一些实施例包括当电池上的电荷超过预定阈值时禁止电池充电的闭锁继电器。 因此,通过去除启​​动键并插入不能插入的充电连接器,可以安全地对无绳割草机进行充电。 通过插入启动键并将其移动到操作位置,然后关闭开关以运行割草机,可以安全地为无绳割草机供电。 通过拆下启动钥匙或将其移动到安全位置,可以在紧急情况下安全地切断无绳割草机。