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    • 2. 发明授权
    • Slide locked retractable grounding pin power cord plug
    • 滑动锁定可伸缩接地针电源线插头
    • US06419504B1
    • 2002-07-16
    • US09837005
    • 2001-04-17
    • Richard Bryant Nelson
    • Richard Bryant Nelson
    • H01R13648
    • H01R24/70H01R13/652H01R29/00H01R2103/00
    • A power cord connector engages a power outlet of the two wire or three wire types. The connector (plug) has a pair of spaced apart prongs in side by side parallel alignment and a grounding pin which is slidingly mounted within a recess in the connector body so as to be positionable between an extended position in parallel, spaced apart alignment with the prongs, and a retracted position fully enclosed within the recess. A biasing spring is positioned within the recess for urging the grounding pin into the extended position. A locking device includes a finger actuatable slide engaged with a tongue spring enabling the tongue to be moved into a locking position inhibiting retraction of the grounding pin.
    • 电源线连接器接合两线或三线类型的电源插座。 连接器(插头)具有并排对齐的一对间隔开的插脚,以及滑动地安装在连接器主体的凹部内的接地销,以便能够平行延伸的位置,与 插脚和完全封闭在凹槽内的缩回位置。 偏置弹簧位于凹槽内,用于将接地销推到伸出位置。 锁定装置包括与舌簧接合的手指致动滑块,其能够使舌头移动到禁止接地销的缩回的锁定位置。
    • 7. 发明授权
    • Bi-color led trailer connector circuit protector and indicator
    • 双色led拖车连接器电路保护器和指示灯
    • US06259170B1
    • 2001-07-10
    • US09330627
    • 1999-06-11
    • Henry J. LimogeRichard BryantRichard Johnson
    • Henry J. LimogeRichard BryantRichard Johnson
    • B60L114
    • B60Q1/305
    • An electrical trailer plug device for connecting a trailer electrical system to a tow vehicle electrical system. The trailer plug device includes a first electrical connector configured to connect an electrical current path of the vehicle electrical system to an electrical current path of the trailer electrical system to complete an electrical circuit supplying electricity from the vehicle electrical system to one or more trailer lamps supported on the trailer. The device also includes a current protection device configured to limit current in the circuit when current flow in the circuit exceeds a predetermined value. A first sensor light is connected in the circuit with a combination of circuit elements configured to illuminate the first sensor light when current is flowing in the circuit but has not exceeded the predetermined. A second sensor light may be connected in the circuit with a combination of circuit elements configured to illuminate the second sensor light when the current protection device is limiting current flow in the circuit.
    • 一种用于将拖车电气系统连接到拖车车辆电气系统的电动拖车插头装置。 拖车插头装置包括第一电连接器,其被配置为将车辆电气系统的电流路径连接到拖车电气系统的电流路径,以完成从车辆电气系统向一个或多个支撑的拖车灯供电的电路 在拖车上 该装置还包括电流保护装置,其配置为当电路中的电流超过预定值时限制电路中的电流。 第一传感器光在电路中连接有电路元件的组合,电路元件被配置为当电流在电路中流动但未超过预定值时照亮第一传感器光。 第二传感器光可以连接在电路中,电路元件的组合被配置为当电流保护装置限制电路中的电流时照亮第二传感器光。
    • 8. 发明授权
    • Truck bolster lifting device
    • 货车起重装置
    • US4045855A
    • 1977-09-06
    • US616269
    • 1975-09-24
    • Anthony Richard KrukRichard BryantSamuel Harper
    • Anthony Richard KrukRichard BryantSamuel Harper
    • B25B27/30B66F3/02B23P19/02B66F7/26
    • B25B27/304B66F3/02Y10T29/5383
    • An apparatus for use in replacing the bolster-supporting springs between a truck and a bolster of a railway car is disclosed. The apparatus has first engagement means to engage an upper part of the truck, second engagement means to engage the bolster and hydraulically actuated means connected at one end to the first engagement means and at the other end to the second engagement means to urge same together when actuated, whereby the bolster is raised to permit removal and replacement of the springs. Preferably, the first engagement means comprises a pair of hanger bars having hooks at their upper ends to engage the top of the truck and the second engagement means comprises a member slidably mounted on said hanger bars and having a portion insertable into the end of the bolster. The hydraulically actuated means preferably comprises a pair of piston and cylinder arrangements mounted one on each of the hanger bars at its lower end and engaging the slidably mounted member at its upper end.
    • 公开了一种用于更换卡车和铁路车辆的摇枕之间的撑架支撑弹簧的装置。 该装置具有接合卡车的上部的第一接合装置,第二接合装置接合摇枕和液压致动装置,其一端连接到第一接合装置,另一端连接到第二接合装置, 由此抬高枕头以允许弹簧的移除和更换。 优选地,第一接合装置包括一对悬挂杆,在其上端具有钩以接合卡车的顶部,并且第二接合装置包括可滑动地安装在所述衣架杆上的部件,并且具有可插入到支架的端部中的部分 。 液压致动装置优选地包括一对活塞和气缸装置,其一个在其下端安装在每个衣架杆上,并在其上端与可滑动安装的构件接合。