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1. 发明授权

US07325389B2 High-clearance dump system with independent tilt control 有权
标题翻译：具有独立倾斜控制的高间隙倾卸系统
公开(公告)号：US07325389B2
公开(公告)日：2008-02-05
申请号：US11051252
申请日：2005-02-04
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： A01D43/07
CPC分类号： A01D43/0635
摘要： A high-clearance dump system is described for use with a riding mower. A folding lift assembly lifts the catcher box up and away from the riding mower to allow dumping over and away from the walls of a truck or other receiving vehicle. The folding lift assembly interfolds into the dumping catcher assembly and the dump system mount assembly thus providing a low-profile when in the lowered position. A lift pivot arm, and lift control rods that are shorter than the lift pivot arm, cause the catcher frame to be tilted at an obtuse angle with respect to the lift pivot arm so that the back end of the catcher frame is higher than the front end of the catcher frame when the lift pivot arm is raised, thus providing high clearance. A power system provides power a switch box that switches power between a lift cylinder and a dump cylinder so that the catcher may be dumped in a raised, partially raised, or lowered position.
摘要翻译：描述了用于骑马割草机的高间隙倾卸系统。折叠升降组件将捕手箱向上提升并远离骑马割草机，以允许倾倒在卡车或其他接收车辆的墙壁上。折叠升降组件交汇成倾卸捕集器组件和倾卸系统安装组件，从而在处于降低位置时提供小的轮廓。提升枢轴臂和比提升枢转臂短的升降控制杆使得抓地器框架相对于提升枢转臂以钝角倾斜，使得捕获器框架的后端高于前端当提升枢轴臂升起时抓地器框架的端部，从而提供高间隙。电力系统为开关箱提供动力，该开关盒在提升缸和倾卸缸之间切换动力，使得捕集器可以倾倒在升高的，部分升高的或降低的位置。

2. 发明授权

US4930981A Low noise impeller 失效
标题翻译：低噪音叶轮
公开(公告)号：US4930981A
公开(公告)日：1990-06-05
申请号：US395961
申请日：1989-08-18
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： F04D29/28 , F04D29/66
CPC分类号： F04D29/281 , F04D29/666
摘要： A blower for fluidized particulates has a housing with an inlet in one wall. The housing defines a chamber which also has an outlet. A rotatably mounted shaft projects into the interior of the chamber. Circumferentially spaced around and projecting laterally from the shaft are a plurality of blades which individually have a shape selected to substantially maximize the impulsive pressure on the particles delivered through the outlet upon rotation of the shaft. Each of those blades has a notch defined toward the shaft from the laterally outer blade periphery with that notch having a size and shape selected to significantly reduce noise created by movement of the blade across the outlet. A plurality of paddles individually project outwardly from and are circumferentially spaced around the shaft adjacent to and circumferential aligned with respective ones of the notches, with that spacing of each paddle from the corresponding adjacent blade being selected to augment reduction of the noise while maintaining maximization of the pressure.
摘要翻译：用于流化颗粒的鼓风机具有在一个壁中具有入口的壳体。壳体限定还具有出口的室。可旋转地安装的轴突出到室的内部。沿轴向周向间隔开并从轴突出的多个叶片是单独具有选定的形状的多个叶片，所述形状被选择为在轴转动时通过出口输送的颗粒基本上最大化冲击压力。这些叶片中的每一个具有从横向外部叶片周边朝向轴限定的凹口，该凹口具有选择的尺寸和形状，以显着减少由叶片穿过出口移动而产生的噪音。多个桨叶分别向外突出并且围绕相邻并相对于凹槽周向对准的轴周向间隔开，每个叶片与相应的相邻叶片的间隔被选择为增加噪声的减小，同时保持最大化压力。

3. 发明授权

US4386038A Evaporative cooler apparatus 失效
标题翻译：蒸发式冷却器
公开(公告)号：US4386038A
公开(公告)日：1983-05-31
申请号：US323671
申请日：1981-11-20
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： F24F6/06 , B01F3/04
CPC分类号： F24F6/06 , Y10S261/46
摘要： An evaporative cooling system includes a housing with an air outlet and inlet structure. An endless belt is of a material to which a liquid may cling and is transparent to air flow so as to achieve evaporation. A portion of the belt extends through a reservoir and the belt is driven in movement therethrough. Blower apparatus is disposed to draw air through the inlet and the belt and exhaust the air through the outlet. A metering drum controllably exhausts reservoir liquid for the purpose of reducing contamination.
摘要翻译：蒸发冷却系统包括具有空气出口和入口结构的壳体。环形带是液体可以附着并对气流透明以达到蒸发的材料。带的一部分延伸穿过贮存器，并且带被驱动以通过其移动。设置鼓风装置以通过入口和带吸入空气，并通过出口排出空气。计量鼓可控制地排出储存液体，以减少污染。

4. 外观设计

USD422163S Point-of-purchase display stand 失效
公开(公告)号：USD422163S
公开(公告)日：2000-04-04
申请号：US103107
申请日：1999-04-08
申请人： Robin Pendergrast
设计人： Robin Pendergrast

5. 发明授权

US4589249A Mowing apparatus 失效
标题翻译：割草机
公开(公告)号：US4589249A
公开(公告)日：1986-05-20
申请号：US216149
申请日：1980-12-15
申请人： Wesley M. Walker , Robert W. Walker , Dean M. Walker
发明人： Wesley M. Walker , Robert W. Walker , Dean M. Walker
IPC分类号： A01D34/63 , A01D34/64 , A01D43/063 , A01D61/02
CPC分类号： A01D34/64 , A01D43/063 , A01D2101/00 , A01D34/63 , A01D43/0631
摘要： A vehicle is controllably powered to be steerably moved over an area. Mountable on the front is a cutter assembly. Also mounted on the vehicle is a hopper. Mowed cuttings are delivered by a conduit from the cutter to the hopper. That hopper is positioned atop the vehicle and coupled to the delivery end of the conduit. Moreover, the hopper is movable with respect to the vehicle into another position wherein the hopper is disengaged from the conduit and at which latter position cuttings may be easily removed.
摘要翻译：车辆被可控地供电以在区域上被可控地移动。安装在前面的是一个刀具组件。车上也装有料斗。切割的切屑通过导管从切割器传送到料斗。该料斗位于车辆的顶部并且联接到管道的输送端。此外，料斗可相对于车辆移动到另一位置，其中料斗与导管脱开，在后一位置，切屑可以容易地移除。

6. 外观设计

USD275988S Ceiling air diffuser or the like 失效
公开(公告)号：USD275988S
公开(公告)日：1984-10-16
申请号：US350880
申请日：1982-02-22
申请人： Robert W. Walker
设计人： Robert W. Walker

7. 发明授权

US4835951A Mower apparatus 失效
标题翻译：割草机
公开(公告)号：US4835951A
公开(公告)日：1989-06-06
申请号：US606530
申请日：1984-05-03
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： A01D34/63 , A01D43/077 , A01D43/08
CPC分类号： A01D43/063 , A01D2101/00 , A01D34/63
摘要： A vehicle is controllably powered to be steerably moved over an area. Mounted on the front of the vehicle is a cutter assembly. Also mounted on the vehicle is a hopper. Mowed cuttings are delivered by a conduit from the cutter to the hopper. An outlet mounted within the hopper is coupled in use to the conduit for distributing received cuttings on into the interior of the hopper. A driver mounted with respect to the hopper moves that outlet in a systematic pattern to vary the direction of distribution of the received cuttings.
摘要翻译：车辆被可控地供电以在区域上被可控地移动。安装在车辆前部的是一个刀具组件。车上也装有料斗。切割的切屑通过导管从切割器传送到料斗。安装在料斗内的出口在使用中联接到管道，用于将接收的切屑分配到料斗的内部。相对于料斗安装的驱动器以系统模式移动该出口以改变所接收的切屑的分布方向。

8. 外观设计

USD54442S Design for a lifting-jack 未知
公开(公告)号：USD54442S
公开(公告)日：1920-02-10
申请日：1919-08-30
申请人： Walker manufacturing Company
设计人： Joseph J. Mizer

9. 发明授权

US07146787B2 Walk behind mower 失效
标题翻译：走在割草机后面
公开(公告)号：US07146787B2
公开(公告)日：2006-12-12
申请号：US10602417
申请日：2003-06-23
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： A01D34/64
CPC分类号： B62D51/04 , A01B51/02 , A01D34/68 , A01D2101/00 , B62D11/183
摘要： Disclosed is a self propelled walk behind mower comprised of a tractor unit and a mowing deck. The tractor unit is hydrostatically driven with a unique control system whereby the forward speed of the tractor is set by operating an electric rocker switch with an operator's thumb. Hand levers are used to turn the tractor to the left and the right. The tractor unit comprises two drive wheels and a third wheel that is pivotally attached, letting the tractor unit stand upright when no implements are attached. Implements attach to the front of the tractor through a movable attachment so that the tractor and implement can closely follow the contour of the ground while keeping the operator controls in a convenient position.
摘要翻译：披露在割草机后面的自行走路，包括拖拉机和割草机。拖拉机单元采用独特的控制系统进行流体静力驱动，通过操作者的拇指操作电动摇臂开关来设定拖拉机的前进速度。手柄用于将拖拉机向左和向右转动。拖拉机单元包括两个驱动轮和可枢转地附接的第三轮，当没有工具被附接时，牵引车单元竖立。通过可移动的附件实现拖拉机的前部安装，使拖拉机和工具能够紧密跟随地面的轮廓，同时保持操作者的控制在一个方便的位置。

10. 发明授权

US06935446B2 Walk behind mower 失效
标题翻译：走在割草机后面
公开(公告)号：US06935446B2
公开(公告)日：2005-08-30
申请号：US10637993
申请日：2003-08-08
申请人： Dean M. Walker
发明人： Dean M. Walker
IPC分类号： A01B51/02 , A01D34/68 , B62D11/18 , B62D51/04
CPC分类号： A01B51/02 , A01D34/68 , A01D2101/00 , B62D11/183 , B62D51/04
摘要： A self propelled walk behind mower including a tractor unit and a mowing deck. The tractor unit is hydrostatically driven with a unique control system whereby the forward speed of the tractor is set by operating an electric rocker switch with an operator's thumb. Hand levers are used to turn the tractor to the left and the right. The tractor unit comprises two drive wheels and a third wheel that is pivotally attached, letting the tractor unit stand upright when no implements are attached. Implements attach to the front of the tractor through a movable attachment so that the tractor and implement can closely follow the contour of the ground while keeping the operator controls in a convenient position.
摘要翻译：割草机后面的自行走路包括拖拉机和割草机。拖拉机单元采用独特的控制系统进行流体静力驱动，通过操作者的拇指操作电动摇臂开关来设定拖拉机的前进速度。手柄用于将拖拉机向左和向右转动。拖拉机单元包括两个驱动轮和可枢转地附接的第三轮，当没有工具被附接时，牵引车单元竖立。通过可移动的附件实现拖拉机的前部安装，使拖拉机和工具能够紧密跟随地面的轮廓，同时保持操作者的控制在一个方便的位置。

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