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公开(公告)号：US20170166003A1
公开(公告)日：2017-06-15
申请号：US15446384
申请日：2017-03-01
Applicant: MTD PRODUCTS INC
Inventor： Axel Schaedler , Timothy Dilgard
CPC classification number: B60B9/04 , A01B33/028 , A01B33/08 , A01D34/001 , A01D34/47 , A01D34/62 , A01D34/82 , A01D34/828 , A01D2101/00 , B60B9/26 , B60B2200/40 , B60B2900/313 , E01H5/098
Abstract: A walk-behind working tool having a frame, a power source, and a handle attached to the frame is provided. The working tool includes at least one axle operatively connected to the frame and a pair of wheel assemblies connected to the axle. The wheel assemblies include a hub, a rim, a tire, and a flexible vibration dampening assembly that operatively connects the hub and rim, wherein the dampening assembly is configured to reduce the vibration transferred between the rim and hub and through the handle to the operator. The dampening assembly includes a plurality of elastic elements having a spring constant for smoothing out movement of the frame when the working tool is guided over rough or uneven ground.
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公开(公告)号：US20160001595A1
公开(公告)日：2016-01-07
申请号：US14751782
申请日：2015-06-26
Applicant: MTD Products Inc
Inventor： Axel Schaedler , Timothy Dilgard
CPC classification number: B60B9/04 , A01B33/028 , A01B33/08 , A01D34/001 , A01D34/47 , A01D34/62 , A01D34/82 , A01D34/828 , A01D2101/00 , B60B9/26 , B60B2200/40 , B60B2900/313 , E01H5/098
Abstract: A walk-behind working tool having a frame, a power source, and a handle attached to the frame is provided. The working tool includes at least one axle operatively connected to the frame and a pair of wheel assemblies connected to the axle. The wheel assemblies include a hub, a rim, a tire, and a flexible vibration dampening assembly that operatively connects the hub and rim, wherein the dampening assembly is configured to reduce the vibration transferred between the rim and hub and through the handle to the operator. The dampening assembly includes a plurality of elastic elements having a spring constant for smoothing out movement of the frame when the working tool is guided over rough or uneven ground.
Abstract translation: 提供了具有框架，电源和附接到框架的手柄的步行工作工具。 工作工具包括至少一个可操作地连接到框架的轴和连接到车轴的一对轮组件。 车轮组件包括轮毂，轮辋，轮胎和可操作地连接轮毂和轮辋的柔性减振组件，其中所述阻尼组件被构造成减小在所述轮辋和轮毂之间传递的振动并且通过所述把手到所述操作者 。 阻尼组件包括多个弹性元件，弹性常数用于当工作工具在粗糙或不平坦的地面上被引导时平滑框架的运动。
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公开(公告)号：US20190133036A1
公开(公告)日：2019-05-09
申请号：US16180100
申请日：2018-11-05
Applicant: MTD PRODUCTS INC
Inventor： Jeffery Legan , Timothy Dilgard , Jeffrey Kucera
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.
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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.
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