Abstract: A hand tool of the pliers-type configuration used for crimping electrical terminals is disclosed. The tool includes a pair of jaws movably with respect to one another by the actuation of a pair of handles. The jaws define a crimping nest which supports an electrical terminal. One die of the crimping nest includes a raised surface, and depending tapering side walls. The raised surface of the die has an hour-glass configuration. The particular shape of the die limits the pressure applied to the terminal during crimping, so as to reduce the tendency to overcrimp the terminal.

Abstract: A keying arrangement for interconnectable components is disclosed. The keying arrangement is particularly useful for fiber optic connector assemblies having a receptacle connector with key projections integrally formed therewith in one of plural different key positions. These key positions may be dictated by an industry standard. A plug connector of the assembly includes a multi-positionable key element. The key element is positionable in plural different orientations to provide keyways which uniquely accommodate one of the key projections defining the plural different key positions of the receptacle connector. Rotative movement of the key element within the plug connector provides the plural different orientations and thereby the plural keyways.

Abstract: An electrical connector for terminating conductors of a shielded multiconductor cable and for mating with a complementary electrical connector comprises an insulative housing supporting a plurality of elongate electrical contacts thereon. The contacts include a contact engaging portion and a shunt engaging portion movably supported on the housing. The contact engaging portion terminates in a curved free end that is axially movable within the housing. A pair of shunt bars is disposed transversely to and in electrical engagement with shunt engaging portions of the contacts thereby electrically commoning preselected pairs of electrical contacts when the connector is in a disconnected condition.

Abstract: A plug and socket electrical connection assembly for electrically connecting a pair of cables is disclosed. The connection assembly includes a socket connector adapted to be terminated to one cable of the pair and an elongate plug connector adapted to electrically terminated the other cable of the pair. A plug extent of the plug connector is designed for insertion into a socket extent of the socket connector to establish electrical connection therebetween. A deformable electrically insulative wiping element is attached to the front of the plug extent. The wiping element is dimensioned to snugly fit within the socket extent to wipe any debris or contamination therefrom upon insertion of the plug connector into the socket connector.

Abstract: An electrical connector assembly for terminating flat multiconductor ribbon cable is disclosed. The connector assembly includes a base supporting plural insulation-piercing contacts in a pre-determined array. A cover, positioned over the base, is movable with respect thereto to effect cable termination to the contacts. Cable strain relief is provided by spring clips which urge an extent of cable against a side wall of the cover.

Abstract: A strippable, shielded electrical cable comprises a plurality of elongate, parallel-spaced electrical conductors encased in a casing of electrical insulation. At least one of the conductors, preferably located at a position other than at the marginal ends of the cable has an exposed portion free of casing material. An electrically conductive wire mesh shield overlies the casing and is in electrical contact with the exposed conductor portions. A top layer of electrical insulation overlies the wire mesh shield. A release sheet of electrical insulation is disposed between the conductive shield and the cover layer. A first adhesive is on the lower surface of the sheet facing the shield, the first adhesive being removably adhered to the metallic wire mesh shield. The first adhesive and a portion of the casing material are removably adhered to each other through the interstitial openings of the wire mesh.

Abstract: An electrical connection housing assembly for insertion in an interior passage for floor-to-floor electrical transmission of both power and communication includes a first housing comprised of first matter, a second housing comprised of second matter of lesser heat conductivity than the first matter, the second housing having a first portion assembled with the first housing and a second portion extending from the first housing and a divider arrangement for separating respective power and communication cables to be inserted in the assembly from one another. The divider arrangement includes a first divider, comprised of a resilient strip of intumescent material, fixedly supported in the assembly and a second divider removably supported in the assembly and in registry with the first divider for jointly defining respective power and communication channels through the assembly.

Abstract: An electrical connector, described for suitably connecting electronic packages to each other or an electrical package to electrical wires. In a preferred form, the connector comprises a plurality of first contacts supported by an insulative housing, the housing having opposite surfaces adjacent which exposed portions of the first contacts lie. The exposed contact portions are attached to electrically engage two respective printed circuit boards on the top and bottom of the connector. Additionally, a further set of contacts is provided, which contacts include an exposed portion adjacent one of the housing supporting surfaces and a terminal portion disposed substantially parallel to such supporting surfaces for electrical engagement to a terminated wire.

Abstract: A connector block for connecting drop wires to conductors of a multi-conductor cable is disclosed. The connector block includes a housing having plural apertures therethrough and individual terminal modules which are insertable into the housing. The terminal modules may be inserted into the housing in plural different orientations to permit insertion of the drop wire from different directions. Each individual terminal module establishes electrical connection between a drop wire pair and a pair of conductors of the multi-conductor cable.

Abstract: An improved electrical filter connector comprises a capacitor sub-assembly including an insulative substrate, a plurality of capacitors soldered thereto and a ground spring. The ground spring is soldered to the ground terminations of the capacitors, the ground spring having a resilient portion for electrical engagement with conductive ground traces on a system circuit board. First terminations of the capacitors are electrically individually connected to respective contacts of the electrical connector. Second capacitor terminations are electrically connected to the ground strip. The capacitors are preferably of the discrete, monolithic chip type, having a dielectric body spaced between the electrical terminations thereof. A quantity of curable dielectric material is disposed on the dielectric bodies between each of the capacitor terminations to provide an enhanced dielectric medium to increase the capability of the connectors to withstand higher voltages during power surges.

Abstract: Apparatus is provided for effecting removal of a semiconductive chip having an exteriorly-accessible surface and chip contacts depending therefrom from a chip carrier having an exteriorly-accessible surface and chip carrier contacts therein in retentive engagement with the chip contacts and with the chip carrier contacts being secured in a printed circuit board. The apparatus comprises a tool having mutually displaceable removal members adapted in a first tool state to bear respectively against an exteriorly-accessible surface of the chip and against an exteriorly-accessible surface of the chip carrier, neither of such removal members engaging the printed circuit board in such first state. The tool is operable from the first state to mutually displace the removal members for effecting removal of the chip from the carrier without either of the removal members engaging the printed circuit board.

Abstract: An electrical connector for mechanically and electrically connecting conductors is disclosed. The connector includes a connector body formed of conductive metal. A plurality of legs extend from a central planar member of the connector body to individually support, in mechanical and electrical engagement, electrical conductors. Each connector accommodating portion is disposed in a plane spaced from the plane of the central planar member. This permits accommodation of insulated conductors in the connector and further accommodates plural conductors in a crossover fashion.

Abstract: An electrical connector for interconnecting printed circuit boards with signal and grounding contacts has a housing including a base defining signal contact seating passages therethrough, a sidewall adjacent the base and including successive first and second sidewall portions of respective different thickness, the second sidewall portions defining with the base a plurality of channels each for the receipt of a grounding contact member, the base including a portion in spaced facing relation to each of the second sidewall portions. The base and each base portion have adjacent surface portions with mutually different attitudes preselected to match the respective different attitudes of sections of a grounding contact member to be inserted in each of the channels.

Abstract: The surface mount connector comprises male and female interconnectable housings. The male housing includes a plurality of male contacts that are connected to a plurality of wires and the female housing accommodates a plurality of female contacts for receiving and holding the male contacts in assembly. The female contacts each further include a resilient lead for surface mount connection to a conductive electrode disposed on a printed circuit board surface. The female housing further includes a connection portion that in a preferred form, includes slots formed in flanges extending outwardly from the female housing, the slots in the flanges being adapted to receive and resiliently hold the printed circuit board therein while the leads of the female contacts are attached to the conductive electrodes on the printed circuit board.

Abstract: An optical fiber termination device is described which includes first and second housings supported for relative movement therebetween. The first housing supports an optical fiber cable and is insertable into a second housing which supports a cutting device for severing the cable and providing a termination end face. The composite structure is then insertable into a termination housing to provide optical connection with a further optical device.

Abstract: A board is provided with a plurality of spaced conductors, covered by a waterproof film on one surface thereof, with a window through the film exposing selected portions of the conductors. A connector housing supports a plurality of electrical contacts that are brought into electrical management with the conductors through the window. A compressible ring surrounds the housing contacts and the window and is sandwiched between the board and the housing. A spring-biased holding member, latched to the housing, urges the board resiliently toward the housing, causing the electrical engagement between the board conductors and the housing contacts and also compressing the ring around the window to provide a waterproof seal around the electrical junctures.

Abstract: A fiber optic receiver of the type having a sensor, a pre-amplifier and a post-amplifier, includes a first printed circuit board with connection of the post-amplifier therewith and having a matable connector thereon for obtaining power for operation of the post-amplfier. A second printed circuit board is supported by the first printed circuit in intersecting geometric relation to the first printed circuit board and is electrically connected therewith for obtaining power for operation of the pre-amplifier. The pre-amplifier and the sensor are mounted on the second printed circuit board and are electrically interconnected thereon. The receiver further includes a channel for detecting the presence of the carrier of energy incident on the sensor incorporation a differential peak detector circuit. A transmitter may be incorporated to provide a fiber optic transceiver.

Abstract: An abandonment plug assembly for limiting heat and fire passage through an opening formed through a floor, comprises a cover for disposition atop the floor and configured to extend beyond the opening and engage the floor, first and second cup members dependant from the cover and mutually displaceable toward one another to force a substance disposed therebetween into contiguity with the sidewall bounding the opening, an actuator for effecting the displacement of the first and second cup members and intumescent discs depending from the second cup member.

Abstract: An improved method of making an electrical filter connector includes the steps of providing a substrate with a plurality of metallized openings therethrough for electrical individual attachment to electrical contacts of the connector. The substrate is further provided with a metallized strip on a surface thereof spaced from the metallized openings. A plurality of capacitors are attached to the substrate. First conductive capacitor terminations are individually electrically attached to respective portions of the metallized openings and second conductive capacitor terminations are electrically attached in common to the metallized strip. A curable dielectric material is applied onto the dielectric body of each capacitor between each of the conductive terminations thereof. Each of the electrical contacts of the connector is electrically attached to a respective one of the metallized openings of the substrate.

Abstract: An electrical connector for connecting a pair of electrical conductors is disclosed. The connector includes a connector body defining a connection nest which accommodates a pair of conductors having either similar transverse cross-sectional shapes or conductors having different transverse cross-sectional shapes. The connector body includes a conductor receiving channel in the bottom wall thereof and a channel plug which is frangibly connected to the bottom wall. The plug may be moved into position within the channel to accommodate the pair of conductors having similar transverse cross-sectional shape or may be removed from the connector to accommodate a pair of conductors having different transverse cross-sectional shapes.