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    • 6. 发明授权
    • Tricycle
    • 三轮车
    • US5499834A
    • 1996-03-19
    • US324176
    • 1994-10-14
    • Mark PasinRoger TonelliJames B. Easley
    • Mark PasinRoger TonelliJames B. Easley
    • B60B37/00B62K9/02
    • B62K9/02B60B37/00Y10T74/2164
    • A child's tricycle comprising a pair of rear wheels, a front wheel, a seat positioned between the front and rear wheels, a support for the seat extending between the front and rear wheels, a handle for steering, and a steering fork having an upper end for supporting the handle and a bifurcated lower end for supporting the front wheel. A one-piece crank extends through the front wheel and defines outer ends disposed on opposite sides of the front wheel for holding pedals whereby a child can propel the tricycle by applying foot pressure to the pedals to thereby turn the crank and associated front wheel. A driving connection between the crank and front wheel is provided by a centrally located bend in the crank, and a centrally located opening defined by the front wheel snugly receiving the bend. A head tube is eliminated by using a steering fork and steering wheel telescoping combination which extends through vertically-aligned openings in the tubular support extending longitudinally of the tricycle. The rear step is formed by a tubular housing which includes end plugs supporting rear axle bearings while also having flanges serving as a safety barrier between the step and adjacent rear wheels.
    • 一种儿童三轮车,包括一对后轮,前轮,位于前轮和后轮之间的座椅,用于在前轮和后轮之间延伸的座椅的支撑件,用于转向的手柄和具有上端的转向叉 用于支撑手柄和用于支撑前轮的分叉下端。 单件曲柄延伸穿过前轮并且限定设置在前轮的相对侧上的外端,用于保持踏板,由此儿童可以通过对踏板施加脚压来推动三轮车,从而转动曲柄和相关联的前轮。 曲柄和前轮之间的驱动连接由曲柄中心定位的弯曲部提供,并且由前轮限定的位于中心的开口紧密地接收弯曲部。 通过使用转向叉和方向盘伸缩组合来消除头管,其延伸穿过在三轮车纵向延伸的管状支撑件中的垂直对齐的开口。 后段由管状壳体形成,该管状壳体包括支撑后桥轴承的端塞,同时还具有用作台阶和相邻后轮之间的安全屏障的凸缘。
    • 9. 发明授权
    • Deflection sensing system
    • 偏转传感系统
    • US07959131B2
    • 2011-06-14
    • US11937257
    • 2007-11-08
    • James B. EasleyGerald W. GrabowskiDonald G. DallandDoug Tvedt
    • James B. EasleyGerald W. GrabowskiDonald G. DallandDoug Tvedt
    • A01K3/00G08B13/00
    • G08B13/122
    • The system incorporates wire deflection, taut wire detection for perimeter security applications. Generally, the system of the invention provides intrusion detection by an internal mechanism. The internal mechanism can detect wire deflection in any direction. In turn, given a sufficient amount of wire deflection, a security system is signaled. However, the force required to sufficiently deflect the wires is high enough so as to minimize nuisance alarms. The internal mechanism is generally held within a structure so that it is protected from tampering. As such, the internal mechanism is also kept separate from the wire array so that it is protected from attempts by an intruder to isolate the wire array.
    • 该系统包含线偏转,拉紧线检测用于周边安全应用。 通常,本发明的系统通过内部机制提供入侵检测。 内部机构可以检测任何方向上的线偏转。 反过来,给定足够数量的电线偏转,发出一个安全系统。 然而,足够使电线充分偏转所需的力足够高,以便最小化妨扰警报。 内部机构通常保持在结构内,以免被篡改。 因此,内部机构也与线阵列保持分开,使得其被保护以防止入侵者试图隔离线阵列。