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1. 发明授权

US5873138A Lost motion foot pedal linkage 失效
标题翻译：迷失运动脚踏板联动
公开(公告)号：US5873138A
公开(公告)日：1999-02-23
申请号：US980786
申请日：1997-12-01
申请人： Robert A. Geyer , Karl R. Hansen
发明人： Robert A. Geyer , Karl R. Hansen
IPC分类号： A47L11/40 , A47L11/30
CPC分类号： A47L11/4044 , A47L11/4055
摘要： An operator controlled scrubbing machine includes a body, wheels for supporting the body, a scrub brush on the body and a mechanism for raising and lowering the scrub brush. There is a squeegee on the body and a mechanism for raising and lowering the squeegee. The body includes a drive for moving the machine in forward and reverse directions and an operator controlled foot pedal for controlling the drive. There is a connection between the foot pedal and the drive providing for limited foot pedal movement prior to translating foot pedal movement into machine movement. There is a first sensor to sense machine forward movement of the foot pedal, which sensor is connected to the mechanism for raising and lowering the scrub brush. There is a second sensor to sense machine reverse movement, with the second sensor being connected to the mechanism for raising and lowering the squeegee. The first and second sensors are positioned to sense foot pedal machine forward and foot pedal machine reverse movements prior to such movements being translated into machine forward and machine reverse movements so that the scrub brush will be lowered prior to the machine moving forward and the squeegee will be raised prior to the machine moving in a reverse direction.
摘要翻译：操作员控制的洗涤机包括主体，用于支撑身体的轮子，身体上的擦洗刷和用于升高和降低擦洗刷的机构。身体上有一个刮刀，一个用于升高和降低刮刀的机构。主体包括用于沿正反方向移动机器的驱动器和用于控制驱动器的操作者控制的脚踏板。脚踏板和驱动器之间存在连接，在将踏板移动转换成机器运动之前，提供有限的脚踏板运动。有一个第一传感器来感测脚踏板的机器向前运动，该传感器连接到用于升高和降低擦洗刷的机构。有一个第二传感器来感测机器反向运动，第二个传感器连接到用于升高和降低刮板的机构。第一和第二传感器被定位成向前感测脚踏踏板机器，并且在这种运动之前脚踏踏板机器反向运动被转换成机器前进和机器反向运动，使得擦洗刷在机器向前移动之前将被降低，并且刮板将在机器沿相反方向移动之前升起。

2. 发明授权

US07488391B2 Rotating brush optimizing method 有权
标题翻译：旋转刷优化方法
公开(公告)号：US07488391B2
公开(公告)日：2009-02-10
申请号：US11452475
申请日：2006-06-13
申请人： Karl R. Hansen
发明人： Karl R. Hansen
IPC分类号： B08B7/00 , A47L11/00
CPC分类号： A47L11/282 , A47L11/24 , A47L11/4008 , A47L11/4011 , A47L11/4041 , A47L11/4058
摘要： The present invention provides an improved mechanical coupling for rapidly adjusting the elevation of a working edge portion of a tool which working edge portion is subject to wear that decreases the effective length of the working edge portion. In one embodiment, the bristles of a drum-type brush comprise the working edge portion. Once the working edge is properly adjusted with respect to a work surface, the amount of downforce imparted by the working edge and the pattern of the working edge on a work surface are maximized. In use an operator compares the length of the working edge to a first indicia set displayed adjacent the working edge and adjusts the elevation of the working edge with reference to a second indicia set which corresponds to the first indicia set. Surface maintenance vehicles which support an adjustable height tool with a working edge that wears down may utilize the present invention. The work surface may comprise any finished or unfinished interior or exterior surface such as without limitation such surfaces covered with fabric, carpet, tile, wood, stone resin-based and plastic materials and the like.
摘要翻译：本发明提供一种改进的机械联接器，用于快速调节工作边缘部分经受磨损的工具边缘部分的高度，这降低了加工边缘部分的有效长度。在一个实施例中，鼓式电刷的刷毛包括工作边缘部分。一旦工作边缘相对于工作表面进行适当调整，工作边缘施加的下压力和工作边缘的图案在工作表面上最大化。在使用中，操作者将工作边缘的长度与在工作边缘附近显示的第一标记集进行比较，并参照对应于第一标记集的第二标记集来调节工作边缘的高度。支撑具有磨损工作边缘的可调高度工具的表面维护车辆可以利用本发明。工作表面可以包括任何成品或未完成的内部或外部表面，例如但不限于用织物，地毯，瓷砖，木材，石材树脂和塑料材料等覆盖的表面。

3. 发明授权

US07082639B2 Brush optimizer 有权
公开(公告)号：US07082639B2
公开(公告)日：2006-08-01
申请号：US10139094
申请日：2002-05-04
申请人： Karl R. Hansen
发明人： Karl R. Hansen
IPC分类号： A47L11/00
CPC分类号： A47L11/282 , A47L11/24 , A47L11/4008 , A47L11/4011 , A47L11/4041 , A47L11/4058
摘要： The present invention provides an improved mechanical coupling for rapidly adjusting the elevation of a working edge portion of a tool which working edge portion is subject to wear that decreases the effective length of the working edge portion. In one embodiment, the bristles of a drum-type brush comprise the working edge portion. Once the working edge is properly adjusted with respect to a work surface, the amount of downforce imparted by the working edge and the pattern of the working edge on a work surface are maximized. In use an operator compares the length of the working edge to a first indicia set displayed adjacent the working edge and adjusts the elevation of the working edge with reference to a second indicia set which corresponds to the first indicia set. Surface maintenance vehicles which support an adjustable height tool with a working edge that wears down may utilize the present invention. The work surface may comprise any finished or unfinished interior or exterior surface such as without limitation such surfaces covered with fabric, carpet, tile, wood, stone resin-based and plastic materials and the like.

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