Abstract: A connector and connector kit is provided which includes an insulative housing, a conductive shell and a contact. When assembled, the contact and conductive shell are contained in the insulative housing. In particular, the conductive shell includes one segment which is positioned in a cavity which extends into one surface of the housing, and another segment which extends out of such cavity and into a groove provided at an end of the housing. The contact is positioned in a bore which extends into the housing from an opposite end of the housing to the cavity. The contact and the bore include abutments which engage one another when the connector is assembled to assure proper positioning of the contact relative to the housing.

Abstract: A lead sealing device that resides within the connector cavity of a pacemaker or defibrillator intended to prevent fluid intrusion by automatically sealing the lead lumen when the lead connector is inserted. The sealing mechanism may be in the form of a silicone disk located at the base of the space defined by the connector cavity in which the lead is inserted to make electrical and physical contact. It may be fixedly located at the bottom of the connector cavity, or may be a movable plug located within the connector cavity at a location other than the bottom of the cavity, such as adjacent to the connector block. In that case, the pin will make contact with the movable plug immediately after passing through the connector block, and will remain in contact with and seal the lead lumen while the pin and plug are further advanced to bring the pin into its final location to make electrical contact with the connector contact.

Abstract: A car plug used to derive power comprises notches provided at alternate positions among positions obtained by circumferentially dividing a peripheral wall of a body into quarters, terminals of an elastic terminal board incorporated in the body and externally exposed through the notches, notched window-holes formed at alternate remaining positions among the positions obtained by the division into quarters, arm portions having one end connected with the peripheral wall of the body, and the other end for supporting pressure-contact members disposed in the notched window-holes so as to move in a radial direction of the body by the arm portions, the body incorporating a switching cam having cam portions switched over between positions in pressure contact with inner surfaces of arm portions of the elastic terminal board and positions to release the pressure contact, and having cam portions switched over between positions to push out the pressure-contact members to the outer surface side of the body and positions to

Abstract: An electrode contact device for medical application as a contact device at one end of an electrically insulated conductor or electrode cable for a cardiac pacemaker, has a rotationally symmetrical main body of ceramic material with at least one contact portion of electrically conductive material being formed on the exterior of the main body, and which is in electrical communication with a conductor which can be attached to the contact device. The electrically conductive contact portions on the exterior of the ceramic main body are radially and/or axialy separated from each other and at leaest one of these contact portions is formed by a thin layer of material produced by application of electrically conductive material on a surface area of the main body.

Abstract: An electrical power supply connector is disclosed for use with a vehicle having an electrical distribution system including a cigarette lighter receptacle, the power supply connector comprising an opaque elongated body with a longitudinal axis extending the length of the body and an exterior surface having a perimeter encircling the longitudinal axis. Terminals are positioned near the first end of the body and are adapted to be inserted into the receptacle to make electrical connection with the electrical distribution system. An electrical light source is supported within the connector. Circuitry within the connector is adapted to electrically connect the light source to the electrical distribution system to energize the light source when the first end of the connector is inserted into the receptacle. A lens encircling the exterior surface of the body directs light from the light source exteriorly of the body.

Abstract: An apparatus is disclosed for providing access to a plurality of telecommunications lines and for providing continuous monitoring access to the telecommunications signals on the lines. The apparatus includes a frame which carries a plurality of normally closed contacts and monitor ports and corresponding monitor circuits for providing continuous access to the telecommunications lines. The telecommunications lines are terminated on the normally closed contacts. A plurality of modules may be releasably attached to the frame with electrical circuit elements on the modules breaking the normally closed contacts to create a new signal path through the module. The modules need only be attached to the frame when direct access to the signal is desired.

Abstract: A lead sealing device that resides within the connector cavity of a pacemaker or defibrillator intended to prevent fluid intrusion by automatically sealing the lead lumen when the lead connector is inserted. The sealing mechanism may be in the form of a silicone disk located at the base of the space defined by the connector cavity in which the lead is inserted to make electrical and physical contact. It may be fixedly located at the bottom of the connector cavity, or may be a movable plug located within the connector cavity at a location other than the bottom of the cavity, such as adjacent to the connector block. In that case, the pin will make contact with the movable plug immediately after passing through the connector block, and will remain in contact with and seal the lead lumen while the pin and plug are further advanced to bring the pin into its final location to make electrical contact with the connector contact.

Abstract: A power source socket includes a casing fixed to a vehicle. The socket has a contact coupled to a power supply. The contact of the socket is electrically connected to a contact of a plug of an electrical device when the plug is inserted into the casing. The socket has a contact fixed to the casing. The socket also has a movable contact movably accommodated in the casing. The movable contact has a first contact portion and a second contact portion. The first contact portion contacts the fixed contact. The second contact portion contacts the plug contact. The first contact portion also contacts the fixed contact in accordance with the engagement of the plug contact and the second contact portion of the movable contact when the plug is inserted into the casing. The contact portion of the movable contact is separated from the fixed contact in accordance with the movement of the plug contact away from the movable contact when the plug is removed from the casing.

Abstract: A miniature telephone jack rack system is disclosed. When located within the rack, adjacent miniature telephone jacks are offset vertically so as to permit a standard plug to be inserted into each miniature jack without physically interfering with the insertion of plugs into either of the adjacent miniature jacks. Interference between adjacent plugs is avoided while minimum spacing between adjacent plugs is maintained.

Abstract: An electrical adapter plug insertable into cigarette lighter-type sockets of varying diameters. The plug features a flexible dimpled member integrally joined with the periphery of the plug to provide a variable outer plug diameter. An internal spring provides an outwardly biasing force to increase resistance against vibration and jarring and improve retention of the plug within the socket.

Abstract: An adapter for supplying D.C. current from a lighter receptacle to a remote accessory is formed by a plug inserted into the receptacle which has a reversible interconnection with a cable connected to the remote accessory. The end of the cable with the reversible interconnector is marked to visually display the electrical polarity of current supplied to the remote accessory.

Abstract: A card is provided for insertion in a telecommunications chassis. The card includes two sets of ports each having tip and ring contacts. The normal springs of the first set are electrically connected to normal springs of the second set.

Abstract: A connector for connecting an electronic device to a vehicle electrical system comprises a hollow inner sleeve, a hollow outer sleeve, and first and second conductive contacts. The inner sleeve forms a hollow nozzle located at a distal end of the inner sleeve and opening into the interior of the inner sleeve. The first conductive contact is slidably mounted within the nozzle and is movable between an extended position and a depressed position. In the extended position the first contact protrudes from the nozzle, while in the depressed position the first contact is substantially disposed within the nozzle. The first contact is spring-biased toward the extended position. The second contact is mounted to a sidewall of the inner sleeve. The outer sleeve is slidably mounted over the inner sleeve and is movable between a forward position and a retracted position. The outer sleeve forms at least one locking finger at a distal end thereof and circumferentially located away from the second contact.

Abstract: A protective system for multi-part connections that prevents unintended disconnection, is inexpensive, and can be used regardless of the shape of the connectors which form the connection. The protective system allows interchanging of component connectors without compromising the protective function. The secured connection includes a first connector, a second connector shaped to engage the first connector and including a catch positioned to be accessible when the connectors are engaged, and a securing line shaped at a first end thereof to engage the first connector and at a second end thereof to be secured in the catch.

Abstract: An electric socket convertor comprises a convertor plug receivable into a conventional electric light bulb socket. An electric convertor socket is connectable with a conventional electric cigarette lighter. A connecting mechanism electrically connects the convertor plug to the convertor socket, such that electric current at the conventional electric light bulb socket is conducted through the convertor plug to the convertor socket. An electric cigarette lighter is inserted into the convertor socket, and is thereby provided with a source of 12-volt D.C. Other portable electric devices similarly can be provided with 12-volt D.C. The electric socket convertor provides convenient access to 12-volt D.C. for numerous electrical devices, and obviates permanent electric socket installation.

Abstract: Disclosed are interconnect and cross-connect equipment which permit easy cutover and restoration of telecommunications services. Coupled to plug-receiving jacks is a series of relays which are not activated until a button is depressed after the plugs are inserted to effect the cutover.

Abstract: A connector module is provided which includes a base which houses a metal shell, and a first metal connector such as a female connector, and a cover which encloses the metal shell and female connector relative to the base. The base includes projections which extend into apertures in a second metal connector such as a male connector, which has been mated with the female connector, to prevent inadvertent rotational movement between the male and female connectors. The metal shell includes protrusions which mate with protuberances of the male connector to prevent inadvertent axial movement between the male and female connectors.

Abstract: A telecommunication network cross-connect panel 10 is described having a chassis 14 for receiving insertable modules 12, 212. The chassis 14 has a back wall 24 with a backplane printed circuit board 34. An array of rear coaxial connectors are mounted to the backplane printed circuit board 34 in columns of four connectors 36, 38, 40 and 42 for terminating and cross-connecting two pieces of telecommunication equipment per column. Female DIN connector receptacles 44 are mounted on the front side of the board 34 at spaced slot locations with each receptacle 44 electrically connected to a corresponding four backplane connectors of a corresponding column. A plurality of modules 12 are insertable into the slots for interconnecting male DIN connector plugs 58 into corresponding aligned DIN connector receptacles 44. A plug 58 is mounted on a rear end of a module printed circuit board 50.

Abstract: An indicator lamp includes a hollow body which accommodates a luminous component supplied with power by conductors connected to screw terminals and closed at the front by a transparent cap. The terminals are staggered relative to the axis of the indicator lamp and at least one screw axis is at an acute angle to the indicator lamp axis.

Abstract: A jack-type plug in the form of a connecting plug includes a central contact pin for one conductor and a resilient contact element in the region of the outside surface of the plug for the other conductor, the plug having an axially elongate male part for mating with a female part constituting a part of the current socket receiving the plug. To enable the same plug to be used for two differently dimensioned current sockets the male part in forming of two parts with different cross-sectional dimensions so that the one male part mates with the female part of a current socket and the other male part mates with the female part of another socket, this part having a different cross-sectional area from the first mentioned female part. In addition, the smaller male part carries the central contact pin and is movable in the larger male part, but no farther than to permit the pin to remain axially projecting outside the larger male part.

Abstract: Disclosed is a jack panel module for use in telecommunications equipment. Each module includes a plurality of stand-alone jack assemblies with an integral electrical connection from the front of the panel to a series of rear terminals. Each panel assembly includes input and output plug-receiving sleeves which are staggered with respect to adjacent assemblies to provide sufficient room for standard sized plugs.

Abstract: A low frequency telecommunication digital network interface patch panel 10 is described having the capability of terminating and providing front access to one-hundred-sixty-eight low frequency network elements 12 and 14 that generate low frequency signals between 1 and 3 Mbps. The panel has a housing with twenty-one adjacent modules; each module being one inch in width and having an upper set of wire-wrap pins 38 and a lower set of wire-wrap pins 40 that are spaced at one-quarter inch on center from each other. The pins 38, 40 are arranged in upper columns and lower columns that are vertically aligned with each other. The pins 38, 40 extend forward from a printed circuit board 60 through front module members 62 to ends 54 and rearward through rear module member 64 to wire-wrap terminal ends 56. The ends 56 are adapted for permanent termination with twisted wire pairs of the network elements. The forward front ends 64 are adapted to receive a female access plug 120 having four wire-wrap pin cavities 126.

Abstract: A car circuit adapter disclosed includes a housing, an electrically conductive connector serving as anode and an electrically conductive member serving as cathode in order to electrically connect a car cigarette lighter so as to provide battery power, a compass for decorating as well as indicating the car location, a lighting device for brightening the compass and indicating the connecting status of the electrically conductive connector and electrically conductive member with the car cigarette lighter, and an extendable power cord in electrical connection with the electrically conductive connector and member for a distant user capable to utilize battery power.

Abstract: An electrical connector providing a plurality of electrical contacts and which allows for 360.degree. rotation, while providing interruption free electrical continuity, is disclosed. A first set of electrical contacts is movably connected to a second set of electrical contacts through the employment of movably engaging terminal and conductive pads. The two pads are permitted to rotate relative to one another. Hence, the two connectors are permitted to rotate relative to one another. The electrical connector may be provided with a universal joint assembly. The universal joint assembly would permit the first and second connectors to be angularly displaced relative to one another and about a respective arbitrary axis. Preferably, the axes extend normal to one another.

Abstract: The present invention is a novel and unique 360.degree. connector system which can be used in an in-line cable to cable application, but can also be utilized in various applications such as a power tool, an extension cord, etc. The uniqueness of the 360.degree. connector system is the concave/convex longitudinal tubular surfaces and transverse circular surfaces of the male and female connectors for improved area contact, thereby creating continuity and allowing the connector system to turn around freely in a 360.degree. rotation. The essential components of the present invention 360.degree. connector system basically include a male connector and a female connector rotatably connected to each other. Both of the male and female connectors are generally made of an elastomer material, instead of the standard static material.

Abstract: A kit of electrical connectors enables an ordinary AC extension cord to conduct an amplified audio electrical signal between components of an audio system such as an amplifier and loudspeakers. The kit includes connectors adapted to engage the male and female ends of the extension cord. Each connector has a housing body, and is further provided with a standard audio-type connector such as a quarter inch jack post or XLR type fitting. Electrical wires extending through the housing body join the AC connector contact terminals to the audio connector contact terminals.

Abstract: A jack assembly is disclosed including a jack having a means for releasable attachment to a mount. The jack further includes a body with means for connection to jack plugs and a circuit board having a plurality of contact points disposed on the first and second sides of the circuit board. Also included is a mount having a plurality of exposed contact members arranged in a predetermined array so that when the jack is inserted into the mount each electric contact point is in electrical communication with a discrete member of the contact members on the mount.

Abstract: An adapter plug for a vehicle's cigarette lighter socket comprising a sleeve and body insertable into the sleeve, the sleeve further comprising a first tube adapted to be coupled to a negative terminal of a vehicle electrical system, a first terminal pin disposed within the first tube, the first terminal pin adapted to be coupled to a positive terminal of a vehicle's electrical system, and means for electrically isolating the first terminal pin from the first tube the body further comprising a second tube adapted to be coupled to a negative terminal of an electrical accessory a second terminal pin disposed within the second tube, the second terminal pin adapted to be coupled to a positive terminal of an electrical accessory and means for electrically isolating the second terminal pin from the second tube means for coupling the first terminal pin to the second terminal pin; and means for coupling the body to the sleeve such that the plug is energized.

Abstract: An electrical coaxial jack connector adapted for electrical interconnection with a mating plug-type coaxial connector. The coaxial jack connector has an integral molded plastic body from which external connecting wires project to form a unitary cable connector. The jack-connector body is subdivided into three body sections, namely, a contact-housing section, a grip section, and a wire strain-relief section. A contact mounting board divides the contact-housing section from the grip section. A coaxial male-pin contact and a peripheral leaf-spring contact project from a front surface of the mounting board into an access cavity defined by a cylindrical wall which forms the contact-housing body section. This cylindrical wall is formed with an internal recess or groove which is located adjacent to and in alignment with the leaf-spring contact.

Abstract: A jack assembly is provided with a contact switching system for receiving a coaxial plug. The assembly includes an insulative housing having a terminal-receiving chamber and an aperture communicating with the chamber for insertion therethrough of the coaxial plug. The housing includes a terminal pivot support in the chamber. A fixed terminal is mounted on the housing and includes a fixed contact portion located in the chamber. A movable terminal is mounted on the housing and includes a cantilevered spring contact arm projecting from the terminal pivot support for pivoting thereabout. The cantilevered spring contact arm includes a first contact portion for contacting the contact portion of the fixed terminal and a second contact portion for contacting the coaxial plug when inserted into the chamber. The spring contact arm is resiliently preloaded to bias the first contact portion against the contact portion of the fixed terminal.

Abstract: Patterned laminar electrical interconnection, such as in the form of wiring harness, preferably including integrally formed end connectors, and made of individual patterned electrically conductive laminae, each lamina having electrically conductive portions and non-conductive portions contiguous side-by-side from end-to-end thereof, and being respectively substantially homogeneous electrically through the lamina thickness face-to-face. Like and/or unlike laminae are juxtaposed and bonded together face-to-face for overtly three-dimensional interconnecting laminated structures.

Abstract: An auditory jack includes a casing protected inside a metal shell and having an internally threaded metal socket on one end extended out of the metal shell through a hole for receiving the plug of an audio output device, an inside space divided into a plurality of troughs by a plurality of projecting blocks, into which two movable terminals and two fixed terminals are respective inserted, and a plurality of columns respectively made inside each trough and fitted into a respective round hole on a cover for permitting the cover to be firmly retained to the casing, which movable terminals each has an opposite end respectively formed into a springy triangular strip for electrically connecting the plug being threaded into said metal socket and for permitting the respective movable terminal to be able to return to a former shape after being pressed by the plug.

Abstract: A cigar lighter plug includes a slider therein slidable between first and second positions. At a first position of the slider, a contact spring is urged outward to a first radial position suitable for fitting the plug into a small size cigar lighter socket. At a second position of the slider, the contact spring is urged outward to a second radial position suitable for fitting the plug into a large size cigar lighter socket. In one embodiment, cooperation between a boss and depressions produces a click feel and sound to inform the user that an adjustment operation is completed. In another embodiment, a retention spring, generally similar to the contact spring, is moved to first and second radial positions during adjustment of the radial position of the contact spring.

Abstract: A contact spring and/or a retention spring for a cigar lighter plug is movable from a small diameter position to a large diameter position to fit into small and large diameter sockets, respectively. A stopper, movable with the contact spring and/or retention spring is moved into a position, when the large diameter position is chosen, which blocks insertion of the plug into a small diameter socket. This prevents distortion of the spring element.

Abstract: A guide wire assembly comprising a guide wire with first and second conductors which extend along the length thereof. The guide wire also comprises a flexible cable having first and second conductors which extend along the length thereof. The connector assembly includes a male connector with a sleeve and a conductive core which is mounted in the sleeve. An insulator is mounted in the sleeve and insulates the conductive core from the sleeve. A conductive band is carried by the insulator and is spaced from the sleeve. The first and second conductors are disposed within the sleeve. The first connector is connected to the conductive core and the second conductor is connected to the conductive band. The connector assembly includes a female connector that has an inner conductive grip which has a cylindrical recess for receiving the conductive core and an outer conductive grip that has a cylindrical band which engages the portion extending forwardly of the inner conductive grip.

Abstract: A self terminating phone plug having a switch armature disposed between the inner signal carrying shaft and the outer ground shaft wherein the armature is biased to electrically ground the inner shaft except when an actuator carried by the armature and protruding through the outer shaft is urged inward toward the inner shaft, as when the plug is inserted into a jack, in which case the armature disconnects from the outer shaft and ungrounds the inner shaft.

Abstract: A digital communication network having a digital cross-connect system is described for facilitating the insulation, testing, monitoring, restoration and repair of digital telecommunication apparatus. The system includes a plurality of digital cross-connect modules 10. Each module 10 has an input jack 32, and output jack 34, cross-connect input jack 36 and cross-connect output jack 38 mounted on the front panel for providing front panel access. Each of the jacks is mounted to a printed circuit board having printed circuit board terminals. BNC or TNC coaxial connectors are mounted on the rear panel. The jacks and the connectors are interconnected via printed circuit board traces. Each of the modules has a switch structure for interconnecting jacks and for providing termination before break capability. Each of the jacks automatically interrupts the circuit when a coaxial plug is inserted into a respective jack to isolate the conductor.

Abstract: An electrical receptacle which has a plastic housing defining a socket lined by a tubular sleeve contact for receiving a conventional electrical adapter plug. The adapter plug has a body supporting a contact tip which is either retractable or non-retractable. This contact tip projects from an end of the adapter-plug body to mate with a central contact located at one end of the receptacle socket. The adapter plug also has another contact which projects from the periphery of the adapter-plug body to mate with the sleeve contact of the receptacle. The central contact of the receptacle is carried on a support fixed to the housing which communicates with the receptacle socket to establish electrical circuit connection with the adapter-plug contact tip in response to the insertion of the adapter plug into the socket. The central contact is spring-loaded and movable relative to its support so as to provide a retracting movement in response to the force applied by an adapter-plug contact tip.

Abstract: A panel-mounted electrical power outlet receptacle for receiving a power plug to transfer current from circuitry located at the rear of the panel. The receptacle has a molded plastic body of tubular open-ended configuration, with an integral transverse wall intermediate its ends. A first double-ended metal terminal post is molded into said transverse wall and projects into both open ends of the body, the ends of the post being respectively receivable in sockets of cooperable separable fittings that are receivable in the body ends. There is a second double-ended metal terminal post in the form of a stamping, which is carried by the transverse wall of the plastic body. It also projects into both open ends of the body. The transverse body wall has an opening through which the second terminal post extends, and there is a snap locking construction on the plastic body and the second terminal post, which is activated upon insertion of the second terminal post in the wall opening.

Abstract: The cylindrical plug of a low-voltage, high current capacity connector assembly has an axially positioned sleeve wiping contact and a transversely positioned U-shaped channel member to provide two pairs of planar wiping contact surfaces parallel to the plug axis and substantially perpendicular to the plug housing surface. The socket component, which will accept standard low-voltage, low current car appliance plugs, includes an internally mounted, closed face pin contact and a barrel contact having depending ears positioned to engage the protruding sides of the plug U-shaped channel member. The socket also has an internal boss and housing lip to prevent electrical activation of a standard automotive cigarette lighter plug, and the plug component of the connector assembly has the sleeve contact recessed to prevent contact following insertion into a conventional cigarette lighter socket.

Abstract: Apparatus for coupling a subsea module to an umbilical termination head from a subsea installation which comprises a receiver (14) mounted on the module, a receiver (15) mounted on the umbilical, and a conductive insert coupling (CIC) (13). The receivers (13, 14) each have electrical terminal sets (24, 25). The CIC (13) has a pair of spaced electrical terminal sets (22, 23) in which respective terminals in each set are electrically connected by concentric conductive tubes. The receivers (14, 15) are arranged to receive the CIC (13) so that when it is in position in the receivers (14, 15), each of the CIC terminal sets (22, 23) contacts one of the receiver terminal sets (24, 25) thereby forming an electrical connection between the two receiver terminal sets (24, 25).

Abstract: A car plug connectable to an automobile cigarette lighter receptacle including a tip member having a tip terminal, a cylindrical member with the tip member screwed at one end, a base member attached to another end of the cylindrical member, a projection terminal having resilient contacts curved outwardly from the cylindrical member, an inner cylinder securely provided in the cylindrical member, a tubular fuse housed in the inner cylinder, a coil spring inserted between the tubular fuse and the tip terminal, and a metal terminal abutting against the base end of the tubular fuse and having a lead wire connecting portion. The car plug can fit in any size of cigarette lighter receptacles regardless of the diameter without coming off even under severe vibrations and in addition is easy to assemble.

Abstract: An electrical offset adapter plug for accessing an electrically powered receptacle housed within an ash tray compartment having a restricted path by which the adapter plug is inserted into the receptacle. The offset plug comprising a composite structure including a first adapter-plug section having a generally tubular body which is relatively longer than its tubular diameter and which is adapted for insertion into the receptacle, a second enclosure section defining an internal chamber for housing optional electrical components and serving also as a gripping handle for manual insertion of the offset adapter plug into the receptacle, and a third section defining an offset elbow joining the adapter-plug section to the enclosure section with the enclosure section being disposed substantially offset relative to both the length and tubular diameter of the adapter-plug section.

Abstract: An apparatus is disclosed for providing access to plurality of telecommunication lines. The apparatus includes a frame which carries a plurality of normally closed contacts. The telecommunication lines are terminated on the normally closed contacts. A plurality of modules are provided to be releasably attached to the frame with electrical circuit elements on the modules engaging the normally closed contacts to open the contacts and create a new signal path through the module upon insertion of the module into the frame.

Abstract: A plug insertable into the cigarette lighter receptacle of a motor vehicle has electronic component circuitry therein for shifting the voltage of the electrical energy extracted from the vehicle. A leaf spring connector forming a part of the plug is employed to heat sink a heat generating component of the electrical circuitry in the plug.

Abstract: Direct access to internal radio circuits is provided without requiring additional space on the radio housing to mount a test jack. The threaded aperture (104a) of a bushing (104) is aligned with an aperture (102c) in a radio housing (102). The bushing is attached to the radio housing and the base of an antenna (106) is inserted through the housing aperture and screwed into the bushing, thereby electrically connecting the antenna to the bushing. A printed circuit board (110) is attached to the housing. An electrically conductive spring (112) is held in contact with the bushing and provides an electrical connection between the printed circuit board and the bushing. A test jack (108) is mounted on the printed circuit board and is aligned with the apertures in the housing and bushing.

Abstract: An electrical audio jack connector. An insulative substrate is provided in the shape of an audio jack connector. A shield plating is applied to the outer surface of the substrate. A passage through the substrate is plated to provide the signal conductor for the connector. A plurality of relief recesses are formed in the bottom of the connector to provide spring action to firmly grasp a male pin inserted into the connector.

Abstract: This invention relates to an electrical plug for automobile cigarette lighter sockets and in particular to one including a body portion formed with four slots and external threads at one end and a tubular member at the other, a cover provided with a pin at the center and threads in the inner side, two conductor rings each provided with a hole at one end and two curved portions with different curvatures, and a connector connected with the two conductor rings by a screw, whereby the electrical plug may be conveniently adapted to various kinds of automobile cigarette lighter sockets.

Abstract: A telephone jack assembly is disclosed having a frame and a plurality of spring contacts. The plurality of spring contacts include tip and ring contacts and normal spring contacts. The normal spring contacts include body portions and offset portions which are generally parallel to and spaced from one another. The spring contacts and normal spring contacts are carried on said frame for the offset portions of the normal contacts to oppose and abut the spring contacts in their rest positions.

Abstract: An electrical jack plug includes an insulating sleeve member disposed over the conductor and ground contact portions of a tip contact member. The sleeve member includes a thin conductive outer sleeve member and an insulating plastic inner sleeve member press fit inside the outer sleeve member. The inner sleeve member has a portion, disposed on the interior thereof, adapted to mate with a complimentary portion of a tip contact member. In assembly, the conductor and ground contacting portions of the tip contact member are surrounded by the insulating inner sleeve member to prevent shorting of such connections. The insulating inner sleeve member has an annular portion extending beyond the conductive outer sleeve member. The inner sleeve member may be comprised of colored plastic to provide a readily visible color coding scheme for interconnections provided by the electrical jack plug.