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1. 发明申请

US20100239368A1 PORTABLE VIBRATORY LASER SCREED WITH REMOTE GRADE INDICATOR AND FOLDING HANDLES 失效
标题翻译：带有远程等级指示器和折叠手柄的便携式振动激光
公开(公告)号：US20100239368A1
公开(公告)日：2010-09-23
申请号：US12409005
申请日：2009-03-23
申请人： Timothy J. Lickel
发明人： Timothy J. Lickel
IPC分类号： E01C23/07 , E01C19/38
CPC分类号： E01C19/402 , E01C19/006 , E04F21/242 , E04F21/244
摘要： A portable vibratory wet concrete screed includes a blade, an exciter that is selectively driven to induce vibrations in the blade, at least one operator-manipulated handle connected to the blade and extending upwardly and rearwardly, a laser receiver mounted on the screed at a height above an upper end of the handle, and an indicator that is operatively connected to the receiver. The indicator provides a visual indication of the screed height relative to a desired grade. It is located remote from the receiver at a location which, when viewed from the perspective of a person in the vicinity of a screed operator, is at least substantially in a focal area containing the rear edge of the blade. The handle is mounted on the blade so as to be foldable from an upright, operative position in which it extends vertically and horizontally well beyond horizontal and vertical footprints occupied by a combination of the blade and the exciter to a stowed position in which it is positioned at least substantially entirely within the horizontal and vertical footprints.
摘要翻译：便携式振动湿式混凝土熨平板包括叶片，选择性地驱动以在叶片中引起振动的激振器，连接到叶片并向上和向后延伸的至少一个操作者操纵的手柄，安装在熨平板上的高度的激光接收器在手柄的上端上方，以及可操作地连接到接收器的指示器。指示器提供了相对于期望等级的熨平板高度的视觉指示。在远离接收器的位置处，当从熨平板操作者附近的人的角度观察时，至少基本上位于包含叶片的后边缘的焦点区域中。手柄安装在刀片上，以便可以从直立的操作位置折叠，其中它垂直和水平地延伸，远远超过由叶片和激励器的组合占据的水平和垂直脚印到其被定位的收起位置至少基本上完全在水平和垂直足迹之内。

2. 外观设计

USD622662S1 Light tower 有权
标题翻译：灯塔
公开(公告)号：USD622662S1
公开(公告)日：2010-08-31
申请号：US29284015
申请日：2007-08-29
申请人： Ronald R. Sartler , Dale Di Iulio , Jason R. Alberti
设计人： Ronald R. Sartler , Dale Di Iulio , Jason R. Alberti

3. 发明授权

US07686538B2 Portable vibratory screed with bubble vial inclination indication system 失效
标题翻译：便携式振动熨平板，带气泡瓶倾斜指示系统
公开(公告)号：US07686538B2
公开(公告)日：2010-03-30
申请号：US11763239
申请日：2007-06-14
申请人： Todd J. Lutz , Richard D. Goldberg , Darrin W. Dauffenbach , Timothy J. Lickel
发明人： Todd J. Lutz , Richard D. Goldberg , Darrin W. Dauffenbach , Timothy J. Lickel
IPC分类号： E01C19/38
CPC分类号： E01C19/402
摘要： A portable vibratory screed includes a blade that is connected to a handle constructed to be manipulated by an operator. Nodes of minimum vibrational amplitude are formed at specific locations along the length of the blade when the exciter is driven at a rated operating speed. A site level and/or the handle is attached to the blade at or in the vicinity of one or more of these nodes, therefore, is relatively isolated from induced vibrations.
摘要翻译：便携式振动熨平板包括连接到构造为由操作者操纵的手柄的叶片。当激励器以额定的运行速度被驱动时，在叶片的长度的特定位置处形成最小振动振幅的节点。站点级和/或手柄在这些节点中的一个或多个节点附近或附近附接到叶片，因此与感应振动相对地隔离。

4. 发明授权

US07896575B2 Soil compactor having low profile muffler 有权
标题翻译：低压消声器的土壤压实机
公开(公告)号：US07896575B2
公开(公告)日：2011-03-01
申请号：US12033929
申请日：2008-02-20
申请人： David J. Schulenberg , Todd J. Lutz , Jeffrey W. Dujmovic , David J. Waldenberger , Gary D. Goplen , Dawn Auby
发明人： David J. Schulenberg , Todd J. Lutz , Jeffrey W. Dujmovic , David J. Waldenberger , Gary D. Goplen , Dawn Auby
IPC分类号： E01C19/32
CPC分类号： E01C19/36 , E02D3/046 , F01N1/00 , F01N2590/06
摘要： A ramming device for compacting soil includes an upper mass and a lower mass. The lower mass is driven linearly back and forth with respect to the upper mass to compact material therebelow. An engine drives the lower mass and is supported by the upper mass. A muffler is fluidly connected to the engine and is contoured such that a majority of the muffler is positioned inboard of a footprint of a side of the ramming device. Preferably, the muffler has a shape that substantially matches a shape of the upper mass adjacent to the muffler thereby further reducing the distance that the muffler extends beyond a footprint of a sidewall of the device.
摘要翻译：用于压实土的夯实装置包括上质量和下质量。下质量相对于上质量线性地来回驱动以压缩其下方的材料。发动机驱动较低质量并由上部质量块支撑。消声器流体地连接到发动机并且被成形为使得消声器的大部分位于捣打装置的侧面的脚印的内侧。优选地，消音器具有与消声器相邻的上质量基本匹配的形状，从而进一步减小消声器延伸超过装置侧壁的覆盖区的距离。

5. 发明申请

US20100254763A1 MULTIPLE PRESET CONCRETE TROWEL STEERING SYSTEM 有权
标题翻译：多预定混凝土导向转向系统
公开(公告)号：US20100254763A1
公开(公告)日：2010-10-07
申请号：US12416738
申请日：2009-04-01
申请人： Scott Grahl
发明人： Scott Grahl
IPC分类号： E01C19/22
CPC分类号： E04F21/247
摘要： A self-propelled concrete finishing trowel has a power steering system that facilitates operator selection of a desired steering performance response of the trowel. The power steering system includes a controller that communicates operator steering instructions from one or more joysticks and the powered actuators associated with the driven shafts. A selector allows the operator to select one or more preset steering modes, each of which has a different set of steering response characteristics for a given range of joystick motion.
摘要翻译：自走式混凝土精整t刀具有动力转向系统，便于操作者选择t刀所需的转向性能响应。动力转向系统包括控制器，该控制器与来自一个或多个操纵杆的操作者操纵指令和与从动轴相关联的动力传动器进行通信。选择器允许操作者选择一个或多个预设转向模式，每个预设转向模式对于给定范围的操纵杆运动具有不同的转向响应特性集合。

6. 发明授权

US07771139B2 Concrete trowel transport system 有权
标题翻译：混凝土抹布输送系统
公开(公告)号：US07771139B2
公开(公告)日：2010-08-10
申请号：US11839967
申请日：2007-08-16
申请人： Scott Grahl
发明人： Scott Grahl
IPC分类号： E01C19/22
CPC分类号： E04F21/247
摘要： A self-propelled concrete finishing trowel has a transport system or dolly that allows the towel to be moved manually. The transport system includes wheels that are connected to a frame of the trowel by a connector such as a rotatable shaft. A single lift device such as a jack is coupled to the connector such that operation of the lift device translates both wheels relative to the frame. The transport system allows a user to quickly deploy the wheels for non-use transportation. The wheels are also located within the footprint of the trowel so as not to interfere with a finishing operation and are positioned to maximize stability.
摘要翻译：自走式混凝土整理t刀具有可以手动移动t刀的运输系统或小车。运输系统包括通过诸如可旋转轴的连接器连接到t刀的框架的轮子。诸如千斤顶的单个提升装置联接到连接器，使得提升装置的操作相对于框架平移两个车轮。运输系统允许用户快速部署用于不使用运输的车轮。轮子也位于t刀的占地面积内，以免干扰精加工操作并且被定位成使得稳定性最大化。

7. 发明申请

US20090185860A1 Riding Concrete Trowel with Stabilizers 有权
标题翻译：搭配稳定剂混凝土抹泥机
公开(公告)号：US20090185860A1
公开(公告)日：2009-07-23
申请号：US12349666
申请日：2009-01-07
申请人： Todd J. Lutz , Richard D. Goldberg
发明人： Todd J. Lutz , Richard D. Goldberg
IPC分类号： E01C19/22
CPC分类号： E04F21/247
摘要： In a riding concrete finishing trowel, a stabilizer is operatively disposed between the frame and either the gearbox or a structure that is coupled to the gearbox. Such a stabilizer has been found to reduce the effects of rotor assembly vibration on the trowel greater than would be expected and even to improve steering response. In one embodiment, the stabilizer takes the form of a gas spring located between the frame and the pitch control post. Preferably, this gas spring is located relatively close to the top of the pitch control post so as to take advantage of the mechanical advantage offered by the spacing between that location and the gearbox.
摘要翻译：在骑马混凝土精整t刀中，稳定器可操作地设置在框架与齿轮箱或联接到齿轮箱的结构之间。已经发现这种稳定剂可以减少转子组件振动对t刀的影响大于预期的并且甚至改善转向响应。在一个实施例中，稳定器采用位于框架和俯仰控制柱之间的气体弹簧的形式。优选地，该气体弹簧相对靠近俯仰控制柱的顶部定位，以便利用由该位置和齿轮箱之间的间隔提供的机械优点。

8. 发明授权

US07775740B2 Concrete trowel steering system 有权
标题翻译：混凝土t刀转向系统
公开(公告)号：US07775740B2
公开(公告)日：2010-08-17
申请号：US11782844
申请日：2007-07-25
申请人： Roberto Berritta
发明人： Roberto Berritta
IPC分类号： E01C19/22
CPC分类号： E04F21/247
摘要： A self-propelled concrete finishing trowel has a steering system that counteracts a portion of the load associated with operator manipulation of a steering handle. A steering linkage connects the steering handle to a rotor assembly. A steering assist mechanism, preferably including a torsion bar or a spring, imposes a preload on the steering linkage to reduce handle actuation forces. The steering assist mechanism reduces handle retention forces, required to maintain the handle in a particular position after moving the handle to that position, to less than about 20 lbs throughout the stroke of the operating handle.
摘要翻译：自走式混凝土精整t刀具有一个转向系统，该转向系统抵消与操纵器操纵转向柄相关联的一部分负载。转向连杆将转向手柄连接到转子组件。优选地包括扭杆或弹簧的转向辅助机构在转向联动装置上施加预载以减少手柄致动力。转向辅助机构减少了在将手柄移动到该位置之后将手柄保持在特定位置所需的手柄保持力，在操作手柄的整个行程中小于约20磅。

9. 发明授权

US07475665B2 Capacitance-based fluid level sensor 有权
标题翻译：基于电容的液位传感器
公开(公告)号：US07475665B2
公开(公告)日：2009-01-13
申请号：US11623138
申请日：2007-01-15
申请人： Charlie Ketelhohn , Robert Zimprich , Pat Griesemer
发明人： Charlie Ketelhohn , Robert Zimprich , Pat Griesemer
IPC分类号： F01M11/10 , G01F23/00 , B60Q1/00
CPC分类号： G01F23/263 , G01F23/268
摘要： A fluid level sensor comprises a parallel plate capacitor coupled to an integrated circuit located in the bottom of an oil pan or other receptacle in which fluid level is being sensed. The sensor is preferably mounted on a drain plug for the receptacle. It includes an integrated circuit board encapsulated in a potting material disposed within the drain plug and a probe extending upwardly from the integrated circuit with its lower end also encapsulated with a resin such that its leads are protected by the resin encapsulating the integrated circuit. The probe may include one or more slotted plates in which capacitance bridges are formed within the slots or a plurality of parallel plates in which capacitance bridges are formed between adjacent plates. The sensor can be used to control operation of a gauge and/or an ignition control circuit for the machine's engine.
摘要翻译：液位传感器包括耦合到位于油盘或其他容器底部的集成电路的平行板电容器，其中感测到液位。传感器优选地安装在用于插座的排水塞上。它包括封装在设置在排水塞内的灌封材料中的集成电路板和从集成电路向上延伸的探针，其下端也用树脂封装，使得其引线被封装了集成电路的树脂保护。探针可以包括一个或多个开槽板，其中电容桥形成在槽内或多个平行板之间，其中在相邻板之间形成电容桥。传感器可用于控制机器发动机的量规和/或点火控制电路的操作。

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