Abstract: A heat-shrink tube for an electrical power cable comprises a sleeve having an insulating inner layer, a conductive outer layer and a thermoplastic mid-layer located between the inner and outer layers. The mid-layer is recovered by the application of heat thereto. The insulating inner layer is preferably comprised of an elastomeric material and the thermoplastic mid-layer is rigid and acts to retain the inner layer in a radially expanded state prior to its recovery.

Abstract: A watertight connector has a rubber member (40) mounted on an inner housing (13), and this rubber member (40) includes a sealing portion (41) substantially in the form of a tube fittable on the outer circumferential surface of the inner housing (13) before a flange (23), legs (43) integral to the sealing portion (41) and shaped to be insertable backward through pass-through openings (26), and backlash preventing portions (44) integral to the legs (43), shaped to be engageable with the peripheral edges of the pass-through openings (26) from behind and arranged between the flange (23) and a facing wall (32).

Abstract: The invention relates to an electrical device (1), especially for a motor vehicle. Said device comprises an electrical component (2) and a connecting cable (5) which is connected to the component (2) and is surrounded by a sheathing (8), the end (9) of said sheathing being at a distance from the component (2). The sheath end (9) and the respectively connected regions (13, 14) of the sheathing (8) and the connecting cable (5) comprise a sealing coating (16). The aim of the invention is to improve the sealing and to increase the durability thereof. To this end, another section (10) of the sheathing (8), embodied in a sleeve-shaped manner, is arranged between the sheath end (9) and the component (2), and the coating (16) extends over a sleeve end (11) facing the sheath end (9) and over the region (17) of the sleeve-shaped section (10) of the sheathing (8) connected thereto. The invention also relates to a method for producing one such device.

Abstract: An integrated seal assembly is provided, as is a coaxial cable system component incorporating the seal assembly with a connector for coupling to an externally threaded port. The seal assembly includes a bellows-type seal formed at least partially of a conductive elastomer and having an elastically deformable tubular body and a plurality of sealing surfaces, and an integral joint-section intermediate an anterior end and a posterior end that assists in the axial deformation of the seal in response to axially-directed force. One of the sealing surfaces engages a corresponding surface of an internally threaded nut or housing. The component is engagable with an externally threaded port via the internally threaded connector. The anterior end of the seal fits over the port and a sealing surface of the seal is capable of sealing axially against a shoulder of the port while the seal body covers the otherwise exposed externally threaded port.

Abstract: A shielded electrical connection system comprises a male electrical connector and a female electrical connector that mates with the male electrical connector. The mated electrical connectors have mated terminals that are disposed and sealed in communicating terminal passages of the respective electrical connectors. The electrical connectors also have engaged electromagnetic shields that are disposed and at least partially sealed in communicating shield chambers that are isolated from the mated terminals that are sealed in communicating terminal passages.

Abstract: Apparatus to hang a portable audio equipment that outputs audio signals from the user's neck includes a plug shell provided with a connecting terminal fixed to the inside of a cylindrical plug cover through a sleeve formed of an elastic member. A projecting portion is integrally formed on the connecting terminal side of the plug cover and in the projecting portion is formed an engaging groove that engages with an engaging piece provided on the jack side.

Abstract: A waterproof structure between a cable and a housing is structured not spoiling a waterproof performance even if a cable is bent drawing a rapid curve. The waterproof structure between the cable and the housing comprises the cable led from the housing, a waterproof member closely attached to the housing and the cable, and a peel-prevention member for preventing peeling of the waterproof member with respect to the cable being bent, and is characterized in that the peel-prevention member is mounted on the cable and wrapped internally by the waterproof member. The waterproof member is formed with a hot melt material, and the peel-prevention member is formed with a material having excellent adhesion to the hot melt material. A shrinkage tube is served as the peel-prevention member.

Abstract: A connector has a housing (20; 60) and a rubber plug (30; 70) mounted to the housing (20; 60). A plug holder (40; 80) can be held at a partial locking position on the housing (20; 60) where it is spaced back from the rubber plug (30; 70) and can be moved to a full locking position where it is located immediately behind the rubber plug (30; 70). The plug holder (40; 80) is dimensioned and configured to correct the orientation of the terminal fittings (10) when the plug holder (40; 80) is at the partial locking position. Thus, terminal fittings (10) can be inserted into the housing (20; 60) without damaging the rubber plug (30; 70).

Abstract: A cable connector (1) includes an insulative housing (10), a plurality of terminals (20) received in the housing, a pair of shells (30, 40) covering the housing, and an insulative casing portion (50) enclosing the shells. The insulative housing includes a main body (11) and a projection portion (12) forwardly projecting from the main body and received into a mating frame (33) of the shell 30. An abutment wall (55) is integrally formed on a front end of the casing portion and extends generally perpendicularly to a lengthwise direction of the connector. Two adjacent flanges (550, 552) of the abutment wall are bent forwardly for tightly engaging with an outer surface of a hand held electronic device. A hole (59) is defined through the abutment wall for extension of the projection portion of the housing and a front portion of the conductive shell.

Abstract: A waterproof connector includes a housing in which a terminal is to be held, having an opening on its terminal insertion side, a sealing member inserted in the opening of the housing, having a sealing part, which is provided on the outer circumference of the sealing member and airtightly contacts the inner surface of the opening, and having a plurality of through holes, each of which allows a terminal to pass through and each of which has a respective inner surface that is able to airtightly contact an electric wire, and covers provided for the respective through holes, a circumferential part of each of the covers being integrally connected over the entire circumference to the circumferential wall of the through hole, and the circumferential part being formed into a thickness that can be broken by human force.

Abstract: The female electrical connector comprises an external casing having a tubular extension for the passage of an electric cable, and a body inside the casing for supporting internal contacts; watertight sealing means in elastomeric material are provided between the front side and a male contact junction block, in correspondence with the tubular extension for the passage of the electric cable, and in correspondence with a central passing-through hole for a screw to secure the connector to the contact junction block. The sealing means at the front side of the connector comprise an annular gasket co-molded with a guide bush for the anchoring screw.

Abstract: A waterproof connector is provided with one or more terminals each including a contact, a first crimp portion and a second crimp portion, insulated cables respectively having leading conductor clamped by the first crimp portion, rubber plugs respectively fitted on the insulated cable, being clamped by the second crimp portion and a connector housing including terminal housing chambers respectively housing the terminals. The rubber plugs are fitted into the respective terminal housing chambers so as to be waterproof. Each of the second crimp portions has a larger width than height thereof in a state where the second crimp portion clamps the rubber plug.

Abstract: EMI-shielding strain relief boots and dust covers and methods of using these boots and dust covers are described. An inventive EMI-shielding strain relief boot includes a flexible elongated boot body and an EMI shield. The boot body has a proximal end, a distal end, and an inner surface defining a bore sized and arranged to contain an end portion of a transmission cable and an associated cable connector. The EMI shield extends along a substantial length of the boot body and is configured to shield a region of the bore from interfering electromagnetic radiation. The distal end of the boot body is slidable over the cable connector and is conformable to and envelopable about at least a portion of a pluggable transceiver connector. The dust cover has a flexible elongated dust cover body and an EMI shield.

Abstract: An improved method of manufacture for wire feed-through devices, wherein a pre-formed tubular seal having a central axial opening for accommodating the wire insulates the wire from the ferrule and provides a tight environmental seal between the ends of the ferrule. The seal is radially compressed and then inserted, either by itself or with the wire, into the central opening of the ferrule so that the seal is maintained in compression between the wire and an inside diameter of the ferrule. In devices where one end of the ferrule opening is enlarged to accommodate one or more filter elements, the seal is positioned in the narrow portion of the ferrule opening, and additionally serves to maintain an inherent concentricity of the wire within the ferrule during installation and attachment of the filter elements, and injection or insertion of encapsulant material into the enlarged portion of the ferrule opening.

Abstract: An environmentally sealed electrical connector system for connector boxes used in the proximity of water includes an anchored connector which mounts into the face plate of the box from the rear, to facilitate making wiring connections in the box before installing the face plate. A mating plug-in connector forms an environmental seal around the connector contacts when mated with the anchored connector, and locking arms secure the plug-in connector to the face plate when mated. A two-piece construction allows the plug-in connector to have hard portions for locking, and soft portions for sealing.

Abstract: A waterproof connector 1 includes: a plurality of terminal accommodating chambers 4, 6A arranged in the vertical and the traverse direction of a connector housing 2; and a plurality of rubber plug accommodating chambers 6B communicated with the terminal accommodating chambers 6A, wherein a rubber plug 8 in which an electrical wire insertion hole 8a is formed is arranged in each rubber plug accommodating chamber 6B, a terminal 9 connected with an electrical wire W is capable of being freely accommodated in each terminal accommodating chamber 4, 6A, a plug material injection port 7A, plug material path 7B and vent hole 7C are serially formed in each row of the rubber plug accommodating chambers 6B in one of the vertical and the traverse direction of the peripheral wall 5d and the partition wall 5e which form the rubber plug accommodating chambers 6B of the connector housing, plug material is injected into the rubber plug accommodating chambers 6B of each row from the plug material injection port 7A of each row

Abstract: A dummy plug for wiring harnesses is disclosed. The dummy plug is used in an unused connector cavity of the wiring harness, thereby electrically isolating the connector cavity in the wiring harness to prevent short circuits. The dummy plug is substantially flush with the latch arm of the wiring harness, so that a pogo pin can determine whether or not the connector cavity is in use. The dummy plug has a design such that pressure blowout is prevented. A method for plugging an unused connector cavity is also disclosed, the method including the steps of providing a dummy plug having a head, a stem, and a female end, providing a wiring harness having at least one connector cavity and at least one latch arm and inserting the dummy plug into the unused connector cavity so that the female end is substantially flush with the latch arm.

Abstract: A waterproof structure of a connector in which a first connector F is attached to a casing 60 via a first waterproof seal 48, and a second connector M is engaged with the first connector F via a second waterproof seal 47. The first waterproof seal 48 for sealing between the first connector 48 and the casing 60 and the second waterproof seal 47 for sealing between the second connector M and the first connector F are integrated with each other on a single waterproof sealer 40.

Abstract: An electrical connector includes a housing (12) and a coupling assembly (35) that has a mateable contact (32) at the front of the housing and a conductor-terminating coupling (34). The coupling has a pair of arms (38, 40) with jaws (48) that are biased toward an axis (37). A holder member (54) has a pair of projections (58, 60) with surfaces that hold the arms in a ready position wherein they have been resiliently deflected away from the axis. When a cable conductor (66) is inserted forwardly (F) through a bore (28) in the housing, the forward tip of the cable presses the coupling assembly forwardly. As the coupling assembly moves forward, the arms are released from the holder members, so the arms can move toward the axis and the jaws (48) on the arms can engage the cable conductor.

Abstract: A system for securing a protective boot over a connector assembly is disclosed. The boot is designed to slide over a pair of mated cable connectors, one connector being panel mounted and the other being cable mounted. The protective boot is located axially along the cable and is positioned over the mated connectors until it is flush against the panel, preventing environmental elements from damaging the connectors. The protective boot is held firmly against the panel by a locking element located on the cable connector which engages a concentric groove located inside of the protective boot. The concentric groove is located at an appropriate distance away from the boot opening such that the locking element engages the groove just as the boot opening becomes flush against the mounting panel.

Abstract: A seal for use with an electrical connector having a flange which is dimensioned to confront a mounting panel around a cutout in the mounting panel comprises one-piece seal member including a conductor seal and a flange seal. The conductor seal is configured to sealingly engage conductors extending from the electrical connector, and the flange seal is configured to seal between the mounting panel and the flange when the electrical connector is mounted in the mounting panel.

Abstract: An electrical connector assembly has a rigid body having an outwardly directed face and formed with a plurality of pockets opening at the face, respective electrical contacts fixed in the pockets of the body, and a cover formed of a flexible elastomeric plastic completely surrounding the body except at the pockets. This cover is formed unitarily with an annular skirt projecting outward past the face and with a web bridging the skirt except at the pockets and lying against the face of the body.

Abstract: The present invention teaches a boot system for protecting plugs and connectors or receptacles for use in commercial and industrial environments or applications. A boot is provided for each of the plugs and connectors to be joined, with the boots being formed with triple-sealing cooperative surfaces which contact one another upon the boots being matingly joined. Each boot is further formed with stepped sealing means for receiving a cable to be wired to the device housed by the respective boot. Each boot is yet further formed with outer scalloped longitudinally extending surfaces adapted to receive the fingers of a user.

Abstract: The present invention teaches a boot system for protecting plugs and connectors or receptacles for use in commercial and industrial environments or applications. A boot is provided for each of the plugs and connectors to be joined, with the boots being formed with triple-sealing cooperative surfaces which contact one another upon the boots being matingly joined. Each boot is further formed with stepped sealing means for receiving a cable to be wired to the device housed by the respective boot. Each boot is yet further formed with outer scalloped longitudinally extending surfaces adapted to receive the fingers of a user.

Abstract: An apparatus for keeping an electrical connection in tact within a pressurized well bore, the connection being made between a cable conductor extending from downhole of the well bore and a power conductor extending through and enclosed by a rigid tube extending through a wellhead barrier of the well. The electrical connection includes a first connector terminating the power conductor and a second connector terminating the down hole cable conductor. The second connector is mated with the first connector to complete the electrical connection. Mated rubber boots surround the electrical connection. The apparatus includes a tubular top stop for fixedly attaching to the rigid tube including a hole for receiving the rigid tube. The top stop engages and confines an upper end of the rubber boots. A rigid tubular outer sleeve encloses the rubber boot and has an upper end engaging the top stop.

Abstract: A neon lamp assembly includes a housing having a cavity with an aperture for emission of light, a neon lamp mounted within the cavity in the housing for emission of light through the aperture and a lens covering the aperture in the housing. Connectors are secured to opposite ends of the neon lamp. Each connector includes a resilient boot that is positioned in a recess in the housing. The resilient boot locates the lamp in the housing and cushions the lamp against shock and vibration. The neon lamp assembly further includes a light-transmissive, conductive mesh covering the aperture in the housing for substantially blocking the emission of RF energy from the housing, and an electrical conductor for coupling the conductive mesh to a reference potential, such as ground. The neon lamp is typically used as a stop light in a vehicle.

Abstract: The invention provides an electrical connector element (10) of the type comprising an insulating block (12) which receives electrical contact elements (14) which extend through the insulating block and a metal shielding cover which at least partially surrounds the insulating block in the front region of the latter, which region is provided in order to be joined with the corresponding part of a complementary connector element, characterized in that it comprises a cap (36) in insulating material which is attached to the front part (18) of the said shielding cover.

Abstract: Electrically insulative boots for substantially covering conductive connector housings and, in particular, conductive connector housings with a plug skirt and/or a receptacle skirt. The boots include a first electrically insulative shield connected to a second electrically insulative shield. The first shields include first and second plug flaps and/or first and second receptacle flaps. The flaps cover the plug skirt and/or a receptacle skirt when not connected to a mating connector assembly. The receptacle flaps are cammed away from the receptacle skirt by the plug flaps of a mating connector assembly allowing the plug skirt and receptacle skirt of mating connector assemblies to be adjacent to one another while the extractor of such mated connector assemblies remain electrically insulated.

Abstract: A replaceable heat, pressure, and corrosive chemical resisting elastomeric boot for sealing the connector joint of an electrical cable passing through a bulkhead of a downhole tool for logging oil or gas wells.

Abstract: A device for securing the ends of two electrical cords together includes two base elements. Each of the base elements is attached to a respective end of a cord by a flexible sleeve which extends over the end of the cord. The base elements provide electrical connections which duplicate the original connectors on the ends of the cords. One of the base elements includes a pair of projections which are received in a pair of recesses in a rotatable latch carried by the other of the base elements. The two base elements are held together by the cooperation between the projections and the recesses, and the connection or disconnection is easily accomplished by rotation of the latch. In a second embodiment, the projections and the latch are provided directly on the ends of the cord.

Abstract: An electrical connector device which provides for a sealed, weather-proof electrical connection in an electrical circuit. The electrical connector device includes a first housing element having a pair of first electrical fittings projecting therefrom and a second housing element having a pair of second electrical fittings projecting therefrom so that when the first and second housing elements are positioned next to each other the first and second electrical fittings cooperate with each other to complete an electrical connection. The first housing element also includes a pair of circumferential first flanges, each first flange surrounding a different one of the first electrical fittings, and the second housing element also includes two sets of concentric second and third circumferential flanges, each set surrounding a different one of the second electrical fittings.

Abstract: An electrical cable connector for connecting an electrical cable to an electric motor, especially in an oil well. The electrical cable connector includes a hollow cylindrical housing receiving a portion of the electrical cable therein and a sealing assembly for sealing the space between the cable and the housing to prevent the corrosive material in the oil well from eroding the electrical connection. The sealing assembly includes a disk rigidly coupled to the housing and a movable disk axially biased towards the other disk. A sealing plug is positioned between the two disks and comprises a substantially uncured flowable, incompressible seal material sandwiched between a pair of cured rubber sealing disks. The movable disk asserts pressure on the sealing plug so that the flowable material will flow into any otherwise empty spaces between the sealing disks and the cable and between the sealing disks and the housing.

Abstract: An electrical connector having an insulating housing has a rear face with a plurality of electrical terminals extending therethrough. A sealant material in the form of a hotmelt material is placed over the ends of the terminals and the connector, including the sealing material, is thereafter heated to melt the material. The sealing material flows around the terminals and partially into the apertures of the housing to provide for a sealed atmosphere on the interior of the connector housing.

Abstract: An improved anode cup or connector assembly for a cathode ray tube comprises a one-piece, generally U-shaped sheet metal connector clip snugly fitted and rigidly supported and locked in place in a cavity in a skirted resilient rubber-like cap, the clip having side-by-side mounting legs protruding from an open end of the cavity into the skirt of the cap and provided with catch lugs for insertion into and locking engagement with a standard hollow anode button embedded in the tube wall to mount the anode cup in place thereon. A bared wire end of an insulation sheathed anode supply conductor extends into the cap cavity through a passageway thereinto within a laterally extending barrel portion of the cap, and it extends between the legs of and is electrically connected to the clip by bending of a pinch plate on the clip to clamp the bared wire end between the pinch plate and a grip tab on the base end of the clip.

Abstract: An improved electrical plug household use to protect household occupants from electrical shocks while inserting or removing the plug from an electrical receptacle. The plug, in general, is a standard household electrical plug with or without a ground prong. The improvement of the present invention is to mount an elastically collapsible electrically insulating hood on the plug surrounding the prongs so that when the improved plug is inserted more than half way into the household electrical receptacle, the extent of the prongs not yet within the receptacle is surrounded by the hood and inaccessible to contact by household occupants, especially children. The hood can be a plastic bellows integrally molded with the body of the plug or the hood can be formed separatly and glued to the body of the plug. The hood can also be a foamed polymer tube section glued to the body of the plug.

Abstract: A connector (1) comprises contacts (5,6, 5,6) slidably received within passages (40,40) and cavities (44,44, 49,49) within an insulative body (3), the assembly of which is further received within a shell (2). Upon assembly of the insulative body (3) and shell (2), the insulative body (3) is compressed about the contacts securing the insulative body (3) and contacts within the shell (2).

Abstract: An aircraft ground power cable system having field-replaceable nose and contact components. The connector body is at one end integrally molded to a ground cable sheath and at the other end is provided with internal fixed contacts to which a replaceable nose section may be threadably secured. Weather- and water-tight seals are provided about the peripheral junction of the nose section and the connector body as well as about the sealing screws which secure the nose to the body. Also provided on the connector body in sealed relationship are a replaceable switch plate and switches mounted on that plate. The replaceable nose section includes replacement contacts for engaging mating contacts on the aircraft.

Abstract: An electrical connector has male and female housing halves each of which has front and rear housing portions. The rear housing portion has an externally threaded front end, a stop shoulder at the rear extent of the threads and a hole to receive a latch pin. The front housing portion has internal threads at the rear end to engage the threads on the rear housing portion and also has an end face with a recess. The latch pin penetrates the rear housing near the stop shoulder and has a nonsymmetrical head. The latch pin can be rotated between a position in which the head protrudes beyond the stop shoulder and a position in which it does not protrude beyond the stop shoulder. When fully threaded together, the recess is aligned with the latch pin which can be rotated to its latching, protruding position to prevent unthreading of the housing portions.

Abstract: A microminiature, multi-pin electrical connector for high voltage applications. The connector includes a plug portion including a resilient body member having a plurality of cavities therein, and a receptacle portion having a plurality of extended members. When the plug and receptacle portions are connected, the extended members extend into the cavities to mate terminal means within the cavities and extended portions. The receptacle portion includes means for supporting the extended members while permitting them to move independently relative to one another. Radial and axial compression seals, preferably formed integral with the resilient body member, are provided to seal between the peripheral surface of each cavity and the outer peripheral surface of each extended member, and the base surface of each cavity and the extended end surface of each extended member, respectively.

Abstract: A connector assembly includes first and second connectors which may be coupled by advancing a connector post on the first connector into a corresponding recess on the second connector. The assembly may then be fully engaged by 180.degree. rotation of one of the connectors about a longitudinal axis. Indicia on the connectors enable an operator to quickly ascertain whether the assembly is in engaged or disengaged position.

Abstract: To reliably prevent ingress of moisture to a connection between an electrical connecting cable or line to an electrical apparatus within a housing, the conductors of the cable or line are externally surrounded by an insulating layer which is of such a material that it joins, by melting or chemical reaction with the material of a surrounding bushing or sleeve, which bushing or sleeve then can be secured in a wall of the apparatus, for example by a removable rubber ring (FIG. 2) or can be molded into the housing of an electrical apparatus, for example a sensor; preferably, the materials of the housing and of the plug or sleeve also join, either by melting together or by chemical reaction. For a melt connection, a thermoplastic such as polyamide is suitable; for reactive connection, a reactive thermosetting plastic, for example polyester imide, or epoxy may be used.