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    Two-wheeled trolleys
    2.
    发明授权
    Two-wheeled trolleys 有权
    两轮手推车

    公开(公告)号：US09193369B2

    公开(公告)日：2015-11-24

    申请号：US14240940

    申请日：2012-08-24

    申请人： Martin Philip Riddiford

    发明人： Martin Philip Riddiford ,  Shaun Alexander Hume

    IPC分类号： B62B5/02 ,  B62B1/20 ,  B60B19/00 ,  B60B33/00 ,  B60B35/00 ,  B62B1/02 ,  B62B1/04 ,  B62B1/00

    CPC分类号： B62B5/02 ,  B60B19/00 ,  B60B33/0052 ,  B60B35/004 ,  B60B2200/43 ,  B60B2200/47 ,  B60B2900/551 ,  B62B1/008 ,  B62B1/02 ,  B62B1/042 ,  B62B1/208 ,  B62B2205/10 ,  B62B2205/20 ,  B62B2301/00 ,  B62B2301/05 ,  B62B2301/10 ,  B62B2301/252 ,  Y10T16/214

    摘要： The handling properties of two-wheeled trolleys may be materially improved by arranging for the freely rotatable wheels (1, 2) to be able to move to a certain extent relative to the frame or load-receiving container portions (3, 4, 5) of the trolley in a direction parallel to the direction of travel of the trolley. This can be achieved by mounting the trolley wheels (1, 2) so that they, and the axles (32) on which they are mounted for free rotation, can, preferably independently, swivel about a horizontal axis displaced from (and lower than) the level at which the wheels are mounted on their respective axles. The wheels are preferably set at a high positive camber angle. Letting the wheels swivel materially improves handling on rough terrain. The trolley is preferably foldable to save space when being transported or stored.

    摘要翻译： 通过布置可自由旋转的轮（1,2）能够相对于框架或承载容器部分（3,4,5）能够移动到一定程度，可以实质地改善两轮手推车的操纵性能， 在平行于手推车行进方向的方向上的手推车。 这可以通过安装手推车轮（1,2）来实现，使得它们和它们被安装在其上的轴（32）自由旋转，优选地可以独立地围绕从（和低于）位移的水平轴线旋转， 车轮安装在它们各自的轴上的水平。 轮优选地设置在高正外倾角。 让轮子可以大大地转动，改善崎岖地形的处理能力。 手推车优选是可折叠的，以便在运输或存储时节省空间。

    Vehicle and a method for controlling steering thereof
    4.
    发明申请
    Vehicle and a method for controlling steering thereof 有权
    车辆及其控制方法

    公开(公告)号：US20060247837A1

    公开(公告)日：2006-11-02

    申请号：US10521281

    申请日：2003-06-23

    申请人： Max Segerljung

    发明人： Max Segerljung

    IPC分类号： B62D6/00

    CPC分类号： B60B33/0052 ,  B60B19/00 ,  B62D7/1509 ,  B62D9/00 ,  B66F9/07568 ,  B66F9/07577

    摘要： A vehicle comprises a regulation device for ordering of movements of the vehicle (1) in a horizontal plane and a control device with a calculation unit arranged to produce signals to control the control and drive means of the vehicle's wheels (3) by information from the regulation device to achieve movement as instructed by the regulation device. The regulation device is designated with the capability to, on request of a change of the vehicle's direction in the horizontal plane, order a location for a turning point (B) for the vehicle located anywhere in the horizontal plane. The control device's calculation unit is designed to calculate the instantaneous desired value of the respective wheel's angular alignment relative to a lengthwise axis of the vehicle corresponding to the location of said turning point as ordered by the regulation device and send signals to the control means so as to achieve that alignment.

    摘要翻译： 车辆包括用于在水平平面中排序车辆（1）的运动的调节装置和具有计算单元的控制装置，所述计算单元被布置成通过来自所述车辆（1）的信息产生信号以控制车辆（3）的控制和驱动装置， 调节装置根据调节装置的指示实现运动。 该调节装置被指定为能够在水平面上改变车辆方向的请求，为位于水平面任何地方的车辆的转折点（B）订购一个位置。 控制装置的计算单元被设计成根据调节装置的顺序计算相对于与所述转向点的位置对应的车辆的相对于车辆的纵向轴线的相应车轮角度对准的瞬时期望值，并将信号发送到控制装置，以便 实现这种对齐。

    Low profile wheel system
    5.
    发明授权
    Low profile wheel system 失效
    低轮轮系

    公开(公告)号：US4752986A

    公开(公告)日：1988-06-28

    申请号：US757309

    申请日：1985-07-22

    申请人： Bernard W. Rivkin ,  Wesley P. Yenerich

    发明人： Bernard W. Rivkin ,  Wesley P. Yenerich

    IPC分类号： B60B19/00 ,  B60B33/00

    CPC分类号： B60B33/0021 ,  B60B33/0052 ,  B60B33/0057 ,  B60B33/0068 ,  B60B2200/20 ,  B60B2310/305 ,  B60B2310/318 ,  B60B2360/32 ,  Y10T16/214 ,  Y10T16/216

    摘要： According to the preferred form of the invention, a pair of thin wheels is rotatably mounted in the bottom of the body of a caster or other load supporting wheeled device in a bilaterally symmetrical array. Each of the wheels has a downwardly facing outer terrain-engaging surface in the general form of a frustocone, and an upwardly facing inner annular bearing surface which is opposed by a complementary annular bearing surface on the bottom of the body. Preferably one or more antifriction washers are interposed between the wheel and body bearing surfaces. This arrangement provides large bearing surface areas which are located directly above the lowermost apex of the frustoconical terrain-engaging surface so that direct vertical loading is applied through the bearing surfaces to the terrain-engaging footprint of each wheel, thereby avoiding cantilever action, avoiding any need for rollable bearings, and permitting the wheels to be very thin and of extremely low profile. The caster or other load supporting wheeled device of the invention is thereby enabled to have a large-area footprint with a very shallow, gradual tangential relationship to the terrain, thereby minimizing depression into soft terrain, and this is further aided by a contoured glide surface on the bottom of the body which leads from the front end of the body rearwardly to the wheels.

    摘要翻译： 根据本发明的优选形式，一对薄的轮子以双向对称的阵列可旋转地安装在脚轮或其他负载支撑轮式装置的主体的底部中。 每个车轮具有呈锥形体的一般形式的向下的外部地形接合表面，以及面向上的内部环形支承表面，其与身体底部上的互补的环形支承表面相对。 优选地，一个或多个减摩垫圈插入在车轮和车身支承表面之间。 这种布置提供了大的支承表面区域，它们直接位于截头圆锥形地形接合表面的最下面的顶点之上，从而通过支承表面将直接的垂直载荷施加到每个车轮的地形接合位置，从而避免悬臂的作用，避免任何 需要可滚动轴承，并且允许车轮非常薄并且具有非常低的轮廓。 因此，本发明的脚轮或其他负载支撑轮式装置能够具有与地形非常浅的逐渐切向关系的大面积足迹，从而将凹陷最小化到柔软的地形中，并且还通过轮廓滑动表面 在从身体的前端向后引导到车轮的身体的底部。

    Castor having inwardly cambered wheels and a retainer plate
    6.
    发明授权
    Castor having inwardly cambered wheels and a retainer plate 失效
    蓖麻具有内侧弧形轮和保持板

    公开(公告)号：US4457045A

    公开(公告)日：1984-07-03

    申请号：US415312

    申请日：1982-09-07

    申请人： Jack P. Kegg

    发明人： Jack P. Kegg

    IPC分类号： B60B33/00

    CPC分类号： B60B33/0052 ,  B60B33/0042 ,  Y10T16/1857 ,  Y10T16/214 ,  Y10T16/216

    摘要： A swivel castor comprises a pair of wheels (17) inclined inwardly to the upstanding swivel axis (11), such that the bottom of the wheels are spaced apart further than the tops. The swivel axis is offset forwardly of the wheel rotational axes. The arrangement gives improved support capacity and swivellability.

    摘要翻译： 旋转脚轮包括向内倾斜到直立的旋转轴线（11）的一对轮（17），使得车轮的底部比顶部间隔开。 旋转轴在车轮旋转轴的前方偏移。 这种安排提高了支持能力和可转移性。

    Universal stem for a carpet caster
    7.
    发明授权
    Universal stem for a carpet caster 失效
    地毯脚轮的通用杆

    公开(公告)号：US4037292A

    公开(公告)日：1977-07-26

    申请号：US623678

    申请日：1975-10-20

    申请人： Sidney D. Lapham

    发明人： Sidney D. Lapham

    IPC分类号： B60B33/00

    CPC分类号： B60B33/0052 ,  Y10T16/201 ,  Y10T16/202

    摘要： A self-tracking carpet caster of the inclined-disc type is disclosed, and the geometric relationships of its components and angles of inclination for optimum operation are defined. Lint protection means including a flexible sealing skirt and a grooved track construction are described, as in an improved locking structure and a simple interchangeable stem assembly construction which permits inexpensive adaptation of the caster to a wide variety of replacement uses.

    摘要翻译： 公开了倾斜盘式自动跟踪地毯脚轮，并且定义了其部件的几何关系和最佳操作的倾斜角度。 描述了包括柔性密封裙部和带槽轨道结构的绒面保护装置，如改进的锁定结构和简单的可互换的杆组件结构，其允许脚轮经济地适应各种更换用途。

    Ball castor
    8.
    发明授权
    Ball castor 失效
    球蓖麻

    公开(公告)号：US3991434A

    公开(公告)日：1976-11-16

    申请号：US598160

    申请日：1975-07-22

    申请人： Michael Joseph James

    发明人： Michael Joseph James

    IPC分类号： A61F13/15 ,  B60B33/00 ,  B60B33/08

    CPC分类号： B60B33/0052 ,  A61F2013/8402 ,  Y10T16/214

    摘要： A castor has a domed wheel rotatably mounted about an inclined axis on a body itself pivotally mounted on or about a vertical mounting spindle. The wheel axis is offset laterally of the spindle axis and the wheel has a rim with a convex part-spherical ground-engaging surface. The body is moulded with an integral bearing boss and the wheel is moulded with an integral bearing boss, the bosses engaging one within the other to provide a bearing for the wheel. The spindle is located in a bore in the body and engages in a peripheral groove in the boss to locate the wheel axially with respect to the body. A sleeve-like portion of the body moulding concentric with and surrounding the boss provides an outer female bearing surface for the wheel boss.

    摘要翻译： 脚轮具有围绕倾斜轴线可旋转地安装在本体上的半圆形轮轴，其枢转地安装在垂直安装主轴上或周围。 车轮轴线在主轴轴线的侧面偏移，车轮具有带凸起的球形地面接合表面的轮辋。 主体用一体式轴承凸台模制，并且车轮用一体式轴承凸台模制，凸台与另一轴承座啮合，为车轮提供轴承。 主轴位于主体中的孔中，并且与凸台中的周向槽接合，以使车轮相对于主体轴向定位。 与凸台同心并围绕凸起的本体模制件的套筒状部分为轮毂提供外部母承载面。

    Obstacle clearing attachment for caster wheels
    9.
    发明授权
    Obstacle clearing attachment for caster wheels 失效
    汽车轮子的障碍物清除附件

    公开(公告)号：US3818542A

    公开(公告)日：1974-06-25

    申请号：US33189773

    申请日：1973-02-12

    申请人： JONES R

    发明人： JONES R

    IPC分类号： B60B33/00

    CPC分类号： B60B33/0052 ,  Y10T16/182 ,  Y10T16/207 ,  Y10T16/216

    摘要： A caster construction includes an obstacle clearing member supported continuously in advance of the path of rolling movement of the caster for free vertical movement above and preferably below the floor contacting surface of the caster wheel such that the clearing member preferably slides continuously along the floor to clear objects from the path of the wheel, but yet can move upwardly relative to the wheel should the wheel encounter a depression in the floor. The free vertical movement also compensates for wear along the lower edge of the member. The clearing member may be a cylindrical sleeve slidably supported or guided by a support means coupled to the caster swivel spindle or other appropriate part of the caster construction or the device to which the caster is attached. The attachment is particularly useful for mechanic''s creeper wheels.

    摘要翻译： 脚轮结构包括在脚轮的滚动运动路径之前连续支撑的障碍物清除构件，用于在脚轮的地板接触表面上方并优选地在自由垂直运动之下自由垂直运动，使得清除构件优选地沿着地板连续地滑动以清除 物体从轮的路径移动，但是如果车轮遇到地板上的凹陷，则可以相对于车轮向上移动。 自由垂直运动还补偿沿着构件下边缘的磨损。 清洁构件可以是可滑动地支撑或由联接到脚轮旋转主轴或脚轮结构的其他适当部分或脚轮所附接的装置的支撑装置引导的圆柱形套筒。 该附件对于机械师的爬行轮特别有用。