Abstract: A radio frequency (RF) connector includes an insulating portion configured in a cylindrical shape; an outer conducting portion configured in a cylindrical shape and disposed to surround an outer circumferential surface of the insulating portion; and an inner conducting portion disposed inside the insulating portion in a hollow shape and having both ends protruding from the insulating portion, the insulating portion electrically separating the outer conducting portion from the inner conducting portion.

Abstract: A cable connection structure, including a male connector and a female connector, further including a snapping groove provided on a sidewall of the male connector, a depth of the snapping groove is extended in parallel to a central axis of the male connector; a snapping portion protrudes from an inner sidewall of the snapping groove; and the inserted member protrudes from a sidewall of the female connector, and the inserted member is linearly movable along a radial direction of the female connector under an external force. When the male connector is connected to the female connector, the inserted member can be inserted into the snapping groove and form a snap fit with the snapping portion to prevent the male connector and the female connector from losing connection. The application ensures the stable connection between the male connector and the female connector.

Abstract: A roof cover fastener may include a cover plate having a planar body with a perimeter. A central aperture may be disposed centrally in the body. A first annular rib may be formed into the body and may encircle the central aperture. A second annular rib may be formed into the body and may encircle the first annular rib. A first channel may separate the first annular rib from the second annular rib. A medial aperture may be disposed in the channel between the first annular rib and the second annular rib. Optionally, the fastener may also include an auger element having a first end and a second end. A head may be coupled to the first end, and a tip may be coupled to the second end. A thread crest with a thread root may extend from the second end towards the first end.

Abstract: A system composed of a water sleeve and a spark plug for an internal combustion engine. The spark plug has a supply passage, a center conductor, an insulator surrounding the center conductor, and a metallic body surrounding the insulator. A center electrode and at least one ground electrode form a spark air gap. In the region of its front end, the spark plug has an external thread for screwing the spark plug into a component of the internal combustion engine and has at least one discharge opening of the supply passage. The spark plug, at its front end, has, attached to the body, a sleeve that contains the external thread; the body has, on its outside, at least one groove that forms a section of the supply passage; and the sleeve has a heat conducting section that contains at least a part of the external thread and that is in contact with the body and covers at least portions of the groove.

Abstract: A cable assembly including a cable, a metal clamp, and a tuboid metal case. The cable includes a outer insulator and a outer conductor thereinside. The outer conductor includes a protruding portion protruding to one side in the first direction from an end portion of the outer insulator on the one side in the first direction. The clamp holds the protruding portion and includes an end portion on the other side in the first direction. The metal case includes a swaged portion, which houses at least the end portion of the outer insulator and the end portion of the clamp. Swaged from outside, the swaged portion is in pressure contact with and fixed to at least the end portion of the outer insulator and the end portion of the clamp so that the end portion of the outer insulator is elastically deformed and the end portion of the clamp is plastically deformed.

Abstract: A blind-mate connector (10, 20, 100) has a barrel (11, 21, 105), a base (12, 22, 110) at the back end of the barrel, an insulator (17, 27) mounted in the base, and a center conductor (15, 25) extending from near the front end of the barrel, through the insulator, and extending beyond the back end of the base, with the center conductor being held by the insulator. One type has sidewalls (13, 23) extending rearwardly from the back end of the base, and alignment notches (14, 24) on the sidewalls, the alignment notches extending only partially from the back ends of the sidewalls toward the base. Another type has alignment tabs (125) extending rearwardly from the back end, and sidewalls (130) extending rearwardly from the back end of the base, the first tab being above the first sidewall.

Abstract: An electrical coaxial connector comprising a signal-joining contacting conductor and a grounding contacting conductor each supported by an insulating base member, wherein a body portion of the signal-joining contacting conductor has a press-contacting part with a contacting protrusion for contacting with a signal-joining conductor in a mating connector and a first base part in such a manner that a measure of thickness of the press-contacting part including the contacting protrusion is not more than the maximum measure of thickness of the first base part, and an annular portion of the grounding contacting conductor has an engaging part with an engaging protrusion for engaging with a grounding conductor in the mating connector and a second base part in such a manner that a measure of thickness of the engaging part including the engaging protrusion is not more than to the maximum measure of thickness of the second base part.

Abstract: An aluminum enclosure of an electronic device is used in a corrosion environment. A long-term low impedance ground connection is needed because of security and EMC reasons. While common surface protection for aluminum in corrosion environments as for example polyurethane paint is not conductive, a stainless steel connector is provided which comprises a head portion and a bolt portion. The bolt portion is inserted into a bore of the enclosure or frame. An annular rib provided on the back side of the head portion defines a cutting edge which cuts into the surface of the aluminum enclosure and provides a gas-tight electrical contact. The front surface of the stainless steel head of the electrical connector element provides a metallic surface for connecting ground wires or other conductors.

Abstract: An electrical connector apparatus and method utilizing an elongate electrically conducting ferrule (20) having a contact (24) on one end and a hollow conical threaded portion (22) for receiving a wire on the other end, and a color coded insulating boot (10) threaded over the ferrule to cover all but the contact. The electrical wire is wrapped around threaded portion (22) which is then tightened into boot (10), thereby securing the wire to the ferrule (20). Ferrule (20) can then be electrically connected by use of contact (24) to a device for receiving power.

Abstract: A connector terminal which twist mounts to one or more electrical conductors. A terminal fitting includes a number of prongs and a terminal end. The terminal end is selected to accommodate a particular one of a variety of terminations. The prongs are staked within an insulated housing and are conically flared outward to fit mating recesses at the housing. A spiral wound spring having a compound tapered longitudinal surface is screw fitted to the staked prongs and housing. Edges of the spring windings bite into the prongs and housing to permanently secure the termination end and spring to the housing. Connectors having alternative terminal ends are disclosed for making a wide variety of electrical connections.

Abstract: A snap-on ground retainer for a fastener of the type having a shank, the shank having a head at one end and a threaded portion along its length. The ground retainer comprises a relatively thin sheet metal and includes a washer-like member having an external annular body portion and an inner tooth portion, the inner tooth portion comprises a plurality of circumferentially spaced teeth extending radially inwardly from an inner margin of the washer-like member. The plurality of circumferentially spaced teeth comprise a plurality of resilient retaining teeth and a plurality of rigid grounding teeth, an inner diameter defined by the rigid grounding teeth is slightly larger than a maximum diameter of the threaded portion on the fastener and an inner diameter defined by the resilient retaining teeth is slightly smaller than a maximum diameter of the threaded portion on the fastener with which the ground retainer is adapted to be telescopically associated.

Abstract: An electrical connection arrangement between a contact element (13) and connection wire (12)is designed in such a way that reliable contact-making is possible in a simple manner and with the capability of automation. For this purpose, the connecting arrangement has a receptacle (11), in which the connecting wire (12) is held in the form of a winding having a plurality of turns. The contact element (13) provided with cutting edges (32) can be plugged into the receptacle (11). The outer delimitations of the turns of the connecting wire (12) and the cutting edges (32) are inclined with respect to one another in their longitudinal extent, with the result that, in the case of a plug-in movement of the contact element (13) into the receptacle (11), said contact element enters into a cutting connection on a plurality of turns of the connecting wire (12). This connection arrangement is used, inter alia, when contact is made between the connecting wires (12) of coils.

Abstract: The invention relates to a method and apparatus for connecting and terminating electrical conductors. The apparatus provides an electrical connector-terminal, which includes a conductive coiled spring construction that is adapted for selectively retaining and releasing a wire lead arrangement. The electrical connector-terminal further includes a terminal arrangement that is constructed and arranged for selective engagement with an electrical terminal. The method relates to a method of connecting and terminating a conductor element or wire lead arrangement to an electrical device.

Abstract: The invention comprises a washer for establishing electrical continuity between two conductive members each having a non-conductive coating and which are secured together by threaded fasteners such as screws. The washer has projections that pierce the non-conductive coatings of the two conductive components as the threaded fasteners are tightened thereby establishing electrical continuity through the washer.

Abstract: A lamp socket of the type having a first contact metal plate and a second contact metal plate fastened to a socket body thereof, and a socket cap fastened to the socket body to hold down an electric wire causing the first and second contact metal plates made a respective electric contact with either conductor of the electric wire, wherein a contact metal socket is fastened to the socket body on the inside through a screw joint to hold the lamp bulb, causing the ring contact of the lamp bulb electrically connected to the second contact metal plate and permitting the tip contact of the lamp bulb to extend out of a hole on the contact metal socket and to make an electric contact with the first contact metal plate, the contact metal socket having a serrated outward flange at the bottom engaging the inside wall of the socket body to secure the connection between the socket body and the contact metal socket.

Abstract: A grounding jack for mechanically and electrically securely coupling a device to be grounded to a ground conducting member includes a generally circular shaped grounding jack having a first end adapted to be inserted into a grounding jack receiver hole in the ground conducting member. The grounding jack receiver hole includes a first predetermined diameter. A second end of the ground conducting jack is adapted for receiving a ground coupling plug from a device to be grounded. A central bore region, into which the ground coupling plug is inserted, extends from the second end to proximate the first end, and is substantially surrounded by a grounding jack wall region.

Abstract: The invention hereof relates to an improved Type "F" connector, where the contact and ground interfaces are sealed from the outside environment. The connector comprises a connector body, a dielectric insert to be received within the connector body, where the insert includes a generally uniform central bore, a metal wedge member featuring at least one annular serration, about a conically configured end thereof, where the wedge member is received within the insert and the serration is spaced from the wall of the bore prior to assembly of the connector. During assembly of the coaxial cable, the metal braid and jacket are captured between the serrations and the wall of the insert bore. Finally, elastomeric sealing means are provided at each end of the connector to environmentally protect same.

Abstract: A coaxial fitting comprises, a metallic tubular ferrule having a forward portion with knurling thereon and a rearward portion with external threads thereon by which such fitting is coupleable to a coaxial cable, the fitting also comprising an inner metallic rod conductor extending in the ferrule in concentric radially spaced relation therewith, and a dielectric plug disposed in the ferrule radially in contact with the ferrule and inner conductor to maintain them in fixed relation, the plug being longitudinally in contact with an inwardly projecting internal annular shoulder in the ferrule. The knurled portion of the fitting is adapted to be press fitted into a bore formed in the housing of a microwave device to provide a port for microwaves supplied to or from such device. The metallic parts of the fitting interiorly comprise copper and have precious metal platings thereon to reduce microwave resistance losses.

Abstract: A novel cable for computerized monitoring system comprises at least one outer jacket of plastic abrasion resistant material, one inner layer of fiber reinforcing material and another jacket of plastic abrasion resistant material. The end which is intended to be connected to the tool has a clamp to hold the fiber reinforcing material in place and prevent the fiber reinforcing material from being damaged. The clamp is a hollow cylinder about 1 inch in length with a flange, is internally threaded and is provided with at least one, preferably four grooves. When the clamp is snapped over the end of the cable, the threads engage the plastic material of the outer jacket and the reinforcing material is held in the grooves.

Abstract: A connecting device for use with fine wire (20) and the like has a post (14) and a sleeve (6), each of which have tapered portions. The sleeve (6) surrounds the post (14) and has an inner surface which extends longitudinally along the sleeve (6) length. A space is provided between the post (14) and the sleeve (6) when the post (14) is fitted into the sleeve (6), the space dimensioned to receive at least one conductive lead (20) therein. The conductive leads (20), post (14) and sleeve (6) are configured such that as the post (14) is axially driven relative to the sleeve (6), the lead (20) is substantially deformed in a termination zone which has serrations (18) provided therein and the post (14) is wedged into an interlocking frictional fit within the sleeve (6) to entrap and terminate the lead (20) to the post (14) and the sleeve (6). A cutting blade (22) is provided proximate the serrations (18) to severe the lead (20) when the post (14) is terminated in the sleeve (6).

Abstract: A cable collet connector for use in terminating the shield conductor of coaxial cables that is quickly and easily fitted to a coaxial cable and provides a secure mechanical and electrical connection.

Abstract: A coaxial electrical connector for printed circuit boards comprises an electrically conductive outer body (2) and (5) adapted to rest upon the surface of a printed circuit board, and having electrically conductive ground legs (14, 15, 16, and 17) supported by the body, the ground legs being a plurality of downwardly extending legs adapted to extend through apertures in the printed circuit board, to be electrically connected to conductive paths on the board; a center contact extending from within the body and having a first contact portion (33) which is adapted to extend through an aperture in the printed circuit board to be electrically connected to the conductive path on the board, and a second contact portion (32) which is adapted to mate with the center contact of a complimentary coaxial connector; and a dielectric insulating body (4) substantially surrounding the second contact portion (32).

Abstract: A readily manufacturable heated solid electrolyte oxygen sensor. A heater subassembly readily adaptable to unheated oxygen sensor technology, provides the means for positioning and rigidly securing the heater element within the oxygen sensing device, while also providing the means for electrically coupling the galvanic output signal to the external combustion control system.

Abstract: A terminal system is described for use with circuit boards, which enables the terminals to be subsequently interconnected using any of a variety of point-to-point wiring methods. Each terminal includes a sleeve with a plated-through hole, the upper portion of the hole holding a contact clip member that receives leads of circuit components, and the lower portion of the hole formed to receive any of a variety of wire termination devices. A circuit board assembly is formed by first press-fitting the sleeves into holes in the board, from the component side of the board. A selected one of the many types of wire termination devices are later inserted into the bottom of the sleeve from the wiring side of the board. Each sleeve has a spline at its lower portion and a barb at its upper portion, which together resist rotation or withdrawal of the sleeve from its press-fitted position while avoiding warping of the board.

Abstract: A first connector is used in connecting or disconnecting a high voltage circuit by engagement or disengagement of the first connector with a second connector supporting a second connector contact element. The first connector comprises an insulative housing having an axial passage including an electrically conductive surface fixedly secured within the housing, and a contact assembly disposed in the passage.