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    • 32. 发明授权
    • Electrical switch having oppositely facing contactor
    • 电开关具有相对面对的接触器
    • US4730090A
    • 1988-03-08
    • US018523
    • 1987-02-25
    • Andrew F. RaabAlbert R. Cobb, III
    • Andrew F. RaabAlbert R. Cobb, III
    • B60H1/00H01H3/02H01H19/58
    • B60H1/0065H01H3/0206
    • The switch includes a rotatable electrically insulating carriage having first and second contactors mounted thereon and facing in opposite directions from the path of the carriage, for a sliding engagement with first and second sets of fixed contacts. The contactors are biased in opposite directions, toward the contacts, by an electrically insulating switch assembly, mounted in a cylindrical opening in the carriage, and comprising a cup-shaped insulator having a cylindrical portion slidably mounted in the cylindrical opening. The insulator having a cup-shaped spring nest therein, for receiving one end of a coil spring. Biasing forces are exerted against the contactors by an end portion of the insulator and the opposite end of the coil spring. The cup-shaped insulator guides and locates the coil spring while obviating any electrical connection between the first and second contactors.
    • 开关包括可旋转的电绝缘托架,其具有安装在其上的第一和第二接触器,并且从托架的路径朝向相反方向,用于与第一组和第二组固定触点的滑动接合。 接触器通过安装在托架中的圆柱形开口中的电绝缘开关组件朝向触点相反的方向偏置,并且包括具有可滑动地安装在圆柱形开口中的圆柱形部分的杯形绝缘体。 具有杯形弹簧的绝缘体嵌在其中,用于容纳螺旋弹簧的一端。 通过绝缘体的端部和螺旋弹簧的相对端将偏压作用在接触器上。 杯形绝缘体引导并定位螺旋弹簧,同时消除第一和第二接触器之间的任何电连接。
    • 33. 发明授权
    • Pneumatic control device for controlling pneumatic system
    • 气动控制装置
    • US4727905A
    • 1988-03-01
    • US3416
    • 1987-01-15
    • Akihiko Kitamura
    • Akihiko Kitamura
    • B60H1/00F16K11/065
    • B60H1/0065Y10T137/6888Y10T137/8667Y10T137/86879Y10T137/87113Y10T137/87249
    • A pneumatic control device for controlling a pneumatic system operable in a plurality of modes, including: push levers corresponding to the operation modes and movable in a first direction to its operated position, the push levers being spaced from each other in a second direction perpendicular to the first direction; changeover switches operated by the push levers for selectively establishing the operation modes, each switch including an actuator member movable within the housing in the second direction between its first and second positions; and a plurality of plate cams superposed on each other and disposed so as to extend in the second direction, in operative association with the push levers so as to cause relative longitudinal movements of the cams upon movements of the push levers to the operated position, each cam engaging the operating portion of at least one of the switches, so that the operating portion of each switch engaging the cam is moved in the second direction together with the cam upon the movement of the cam, the relative longitudinal movements of the cams being determined so as to place the actuator members selectively in the first and second positions depending upon the operated push levers, thereby placing the pneumatic system in the operation modes selected by the operated push levers.
    • 一种用于控制可以多种模式操作的气动系统的气动控制装置,包括:对应于操作模式的推动杆并且可沿第一方向移动到其操作位置,所述推动杆在垂直于第二方向的第二方向上彼此间隔开 第一个方向 切换开关由推杆操作以选择性地建立操作模式,每个开关包括致动器构件,该致动器构件可在第一和第二位置之间沿第二方向在壳体内移动; 以及多个平板凸轮,它们彼此重叠并且设置成沿着第二方向延伸,与推杆可操作地相关联,以便在推杆移动到操作位置时引起凸轮的相对纵向移动,每个 凸轮接合至少一个开关的操作部分,使得接合凸轮的每个开关的操作部分在凸轮移动时与凸轮一起在第二方向上移动,凸轮的相对纵向运动被确定 以便根据操作的推杆将致动器构件选择性地置于第一和第二位置,从而将气动系统置于由操作的推杆选择的操作模式中。
    • 34. 发明授权
    • Vacuum switch
    • 真空开关
    • US4716264A
    • 1987-12-29
    • US024628
    • 1987-03-11
    • Charles P. Toulouse
    • Charles P. Toulouse
    • B60H1/00H01H3/02H01H9/06
    • H01H3/0206B60H1/0065Y10T137/87096Y10T137/87169
    • A vacuum switch for interchangeably connecting a plurality of vacuum lines includes a vacuum housing having a plurality of ports to which the vacuum lines are connectable. The vacuum housing has a plurality of channels molded in one surface of a plate and communicating with the ports. Each channel has at least one passage through the plate to the opposite surface. The channels are arranged to provide the desired fluidic logic. A one-piece seal member seals the channels to maintain a vacuum therein. A plurality of valves are slidable upon the surface of the plate opposite the channels. Each valve has a cavity providing fluid communication between passages when the cavity spans a pair of passages. Electrical contacts, movable with the valves, activate a circuit to provide an electrical signal corresponding to the desired mode selected for the vaccuum lines.
    • 用于可互换地连接多个真空管线的真空开关包括具有多个端口的真空壳体,真空管线可连接到该多个端口。 真空壳体具有在板的一个表面中模制并与端口连通的多个通道。 每个通道至少有一个通过板的通道到相对的表面。 通道布置成提供期望的流体逻辑。 一体式密封件密封通道以在其中保持真空。 多个阀可在板的与通道相对的表面上滑动。 当空腔跨越一对通道时,每个阀具有提供通道之间的流体连通的空腔。 电触点可与阀一起移动,激活电路以提供对应于为真空管线选择的期望模式的电信号。