Trigger operated portable electric tool switch

    公开(公告)号:US4665290A

    公开(公告)日:1987-05-12

    申请号:US781625

    申请日:1985-09-30

    申请人: Earl T. Piber

    发明人: Earl T. Piber

    CPC分类号: H01H9/061 H01H13/06 H01H9/52

    摘要: A pair of insulating base halves (26,28) are adapted for mutual engagement along respective open sides, one base half (26) containing stationary contacts (30,32,34) and an electrical bussing element (30) structurally interlocked with that base half upright against an interior wall and the other base half containing a speed control circuit board (40) disposed in an upright position along an opposite interior wall and electrical connectors (56,58) biased into electrical engagement with the circuit board and forming push-in lead connectors with the stationary contacts and bussing element, a movable contact carrier (38) disposed between the base halves for sliding movement and having a movable contactor (64) engaging the stationary contacts and a wiping contact (66) engaging variable resistance (44,46) elements on the printed circuit board, the two base halves being interlocked (26k,28e) together along a lower edge and retained together along an upper edge by inserting them into a hollow housing (2) containing a depressible trigger operator (4,18) the insertion effecting a driving connection (18d,38k) between the movable contact carrier and an internal member (18) of the trigger operator, the internal member having a shaft (18a) projecting through an opening (2b) in an end wall of the housing which has a seal retaining cage (2c) formed thereon around the opening (26) the internal member being retractible to position the end of the shaft (18a) flush with the end wall for permitting a seal (22) and seal retaining cap (24) to be inserted to said cage, and an external trigger operator member (4) affixed to the end of the shaft, the external member having an interlocking structure (4d) formed therein for cooperation with a reversing switch lever (14) which overlies the external trigger operator member and has a depending projection (14d) engaging the interlocking structure (4d) in a center position to prevent depression of the trigger.

    Control center bus bar brace
    2.
    发明授权
    Control center bus bar brace 失效
    控制中心母线支架

    公开(公告)号:US4025826A

    公开(公告)日:1977-05-24

    申请号:US612605

    申请日:1975-09-11

    IPC分类号: H02B1/21 H02B1/36 H02B1/08

    摘要: A control center characterized by a metal enclosed upright cabinet having a plurality of vertical bus bars therein, which bus bars are separately insulated and isolated from each other. The assembly of the bus bar and insulation barriers is supported and reinforced by a plurality of vertically spaced braces to prevent lateral movement of the bus bars as well as to hold the insulating barriers in tight surface-to-surface contact with the bus bars.

    摘要翻译: 一种控制中心,其特征在于金属封闭的立式机柜,其中具有多个垂直汇流条,该汇流条分开绝缘并彼此隔离。 汇流条和绝缘屏障的组合由多个垂直间隔的支架支撑和加强,以防止汇流条的横向运动以及将绝缘屏障与母线紧密地面对面接触。

    Panelboard front having concealed clamps
    3.
    发明授权
    Panelboard front having concealed clamps 失效
    面板前面有隐藏的夹子

    公开(公告)号:US3946283A

    公开(公告)日:1976-03-23

    申请号:US498467

    申请日:1974-08-19

    IPC分类号: H02B1/06 H02B1/08

    CPC分类号: H02B1/06

    摘要: A panelboard front assembly including a trim plate having an opening for exposing a panel assembly mounted in a box, clamping bars slidably attached to the trim plate for engaging flanges of the box, and a door attached to the trim plate which conceals the clamping bars and the associated adjusting means when closed. In the illustrated example, side rabbets are provided on the trim plate and the clamping bars slide in openings in the rabbets and have adjusting screws which slide in slots in the rabbets. The clamping bars are further spring-loaded toward the open position by springs situated proximate the adjusting screws.

    摘要翻译: 一种面板前组件,其包括具有用于暴露安装在盒中的面板组件的开口的装饰板,可滑动地附接到装饰板上用于接合盒的凸缘的夹持杆以及附接到装饰板的门,其隐藏夹紧杆和 关闭时关联的调节装置。 在所示示例中,侧板被设置在装饰板上,并且夹紧杆在拉杆中的开口中滑动并且具有在拉杆中的狭槽中滑动的调节螺钉。 通过位于调节螺钉附近的弹簧将夹紧杆进一步弹簧加载到打开位置。

    Hand-held control means
    4.
    发明授权
    Hand-held control means 失效
    手持控制装置

    公开(公告)号:US3867600A

    公开(公告)日:1975-02-18

    申请号:US36139173

    申请日:1973-05-17

    申请人: US NAVY

    IPC分类号: H01H9/02 H02B1/08

    CPC分类号: H01H9/0214

    摘要: A hand-held device for controlling the operation of powered equipment by the natural movements of an operator''s thumb is provided. The device has a lower portion which is gripped by the fingers of one hand and an upper, control portion having selected control members which are within ready reach of the thumb of the hand holding the device.

    摘要翻译: 提供了一种用于通过操作者的拇指的自然运动来控制动力设备的操作的手持式装置。 该装置具有由一只手的手指夹住的下部,以及具有选择的控制部件的上部控制部件,该控制部件在容纳该装置的手的拇指准备到达之内。

    Composable switch device
    5.
    发明授权
    Composable switch device 失效
    可组合开关装置

    公开(公告)号:US3866008A

    公开(公告)日:1975-02-11

    申请号:US43490674

    申请日:1974-01-16

    申请人: TERUZZI ANGELO

    发明人: TERUZZI ANGELO

    摘要: A switch device comprising a control member and a plurality of hollow bodies containing the electrical contact elements; said bodies being provided with resilient lugs or projections suitable for association in corresponding seats formed on the control member or on said bodies for successive connection thereof according to one or more predetermined directions.

    摘要翻译: 一种开关装置,包括控制构件和包含电接触元件的多个空心体; 所述主体设置有适于在形成于所述控制构件上或所述主体上的相应座中关联的弹性突耳或突起,用于根据一个或多个预定方向连续连接。

    Balanced line switch system with u-shaped crossed conductive channels arranged back to back
    6.
    发明授权
    Balanced line switch system with u-shaped crossed conductive channels arranged back to back 失效
    具有U形交叉导电通道的平衡线开关系统安装回到

    公开(公告)号:US3717736A

    公开(公告)日:1973-02-20

    申请号:US3717736D

    申请日:1970-08-06

    发明人: KERSHNER S OWEN K

    CPC分类号: H02B1/21 H01H13/70

    摘要: A switch system using a plurality of multi-contact reciprocating switch plungers to selectively connect any one of a plurality of multi-conductor lines running in one direction to any one of a plurality of multi-conductor lines running in a transverse direction with each plunger switch unit and its cooperating contacts being made in a module whereby a switch system of any number of switches can be readily assembled, particularly for the purpose of connecting any one of a plurality of transmitters to any one of a plurality of directional antennas for directing radio waves in a particular direction as required. Provision is made for shielding the conductor lines, whether a multiconductor line or a single conductor line, by means of shielding channels arranged with their backs in supporting engagement and fixed together providing the framework for the switch system. Suitable insulators are provided for supporting the multiconductor or single conductor lines in proper relation and the plunger switch unit serves to make the necessary connections without leaving an objectionable line stub on the energized portion of the lines.

    摘要翻译: 一种开关系统,其使用多个多触点往复式开关柱塞,以选择性地将沿一个方向延伸的多个多导体线中的任一个连接到沿横向延伸的多个多导体线中的每一个与每个柱塞开关 单元及其配合触点在模块中制成,由此可以容易地组装任何数量的开关的开关系统,特别是用于将多个发射器中的任一个连接到多个定向天线中的任何一个以引导无线电波 根据需要在特定的方向。

    Housing assembly of modular construction for solid state relays with plural external terminals
    7.
    发明授权
    Housing assembly of modular construction for solid state relays with plural external terminals 失效
    具有多个外部端子的固态继电器的模块化结构的住宅组件

    公开(公告)号:US3714515A

    公开(公告)日:1973-01-30

    申请号:US3714515D

    申请日:1971-09-20

    申请人: GEN ELECTRIC

    发明人: LEE A

    摘要: A housing of modular construction, preferably for use in solid state unit pole relays, comprising a multi-purpose molded cap capable of being used either by itself in pairs to form a complete enclosure for the circuitry of a power pole of a solid state relay, or in pairs in conjunction with a central core to form the enclosure for the circuitry of a driver unit of a solid state relay.

    摘要翻译: 模块化结构的壳体,优选地用于固态单元极继电器,包括多用途模制盖,其可以被成对地自身使用以形成用于固态继电器的电源极的电路的完整外壳, 或者与中心芯一起成对地形成用于固态继电器的驱动器单元的电路的外壳。

    Conduit fitting for pendent light fixtures
    8.
    发明授权
    Conduit fitting for pendent light fixtures 失效
    用于连接灯具的导线配件

    公开(公告)号:US3598897A

    公开(公告)日:1971-08-10

    申请号:US3598897D

    申请日:1969-08-14

    申请人: PYLE NATIONAL CO

    发明人: CASTIC WILLIAM

    IPC分类号: F21V21/02 H02G3/20 H02B1/08

    CPC分类号: F21V21/02 H02G3/20

    摘要: A conduit fitting for attaching pendent light fixtures to an overhead conduit line comprises first and second members respectively attachable to the conduit line and the fixture, wherein the members have complemental mating tongue and groove portions enabling convenient sliding assembly of the members for positively securing the fixtures to the conduit line. Removable cover members selectively close open ends of the grooves to restrain relative movement between the members and provide selective access to a wiring compartment formed between the members for permitting inspection of electrical wiring connections.