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    • 6. 发明授权
    • Angle spreader for trusses
    • 桁架角撑架
    • US08915041B2
    • 2014-12-23
    • US13459335
    • 2012-04-30
    • James Kempf
    • James Kempf
    • E04H12/18E04B1/38E04B1/19
    • E04B1/40E04B1/19E04B1/38E04B2001/405E04C3/005E04C3/04E04C2003/0495
    • A truss hinge that allows hinging between truss parts, and also allows configuration into a different size, and spreads the angle of the truss open ends. One embodiment uses a first plate, having a connection part to a first truss, where the connection part is adapted for connection to a first truss. A second plate is movable relative to the first plate. The second plate also has a second connection part adapted for connection to a second truss. An angle setting part forms a connection between the first plate and the second plate, that holds the first plate relative to the second plate at any of a number of different relative locations between the first plate and the second plate. The plates include angle markings to set the connections.
    • 桁架铰链允许桁架部件之间的铰接,并且还允许配置成不同的尺寸,并且扩展桁架开口端的角度。 一个实施例使用具有到第一桁架的连接部分的第一板,其中连接部分适于连接到第一桁架。 第二板可相对于第一板移动。 第二板还具有适于连接到第二桁架的第二连接部。 角度设定部分形成第一板和第二板之间的连接,其在第一板和第二板之间的多个不同的相对位置中的任何一个上相对于第二板保持第一板。 这些板包括用于设置连接的角度标记。
    • 9. 发明授权
    • Rover wheel
    • 流浪者轮
    • US08413756B2
    • 2013-04-09
    • US13357860
    • 2012-01-25
    • James Kempf
    • James Kempf
    • B60K17/342
    • B62D7/026B60K17/342B60Y2200/45B60Y2200/49B62D7/04
    • A movable and steerable device that has a platform with four wheel assemblies, any of which are both drivable and steerable. Different driving and steering options can make the device move in different directions and orientations. The driving can be done by a drive motor, forming a drive loop of material, such as chain, and a steering motor, also forming a steering loop. The different loops are attached to different sprockets on the device, which have different sizes, and therefore the different loops do not interfere with one another.
    • 一种可移动和可操纵的装置,具有具有四个轮组件的平台,其中任何一个都是可驱动的和可操纵的。 不同的驾驶和转向选项可以使设备在不同的方向和方向上移动。 驾驶可以由驱动马达完成,形成诸如链条的材料的驱动回路以及也形成转向回路的转向马达。 不同的回路连接到设备上具有不同尺寸的不同链轮,因此不同的回路不会相互干扰。