Abstract: A conductive terminal comprises a pair of abutting plate-shaped body parts having a front side and a rear side opposite to each other in a thickness direction thereof, and a left side and a right side opposite to each other in a width direction thereof. An insertion part extends from one of the two body parts. The terminal further includes a pair of first supporting wings arranged on the front side and the rear side of the body parts and aligned with each other at edges of the left side of the two body parts, respectively, and a pair of second supporting wings arranged on the front side and the rear side of the two body parts and aligned with each other at edges of the right side of the two body parts, respectively.

Abstract: A battery pack includes: a plurality of battery cells; a battery management system to acquire state information and control charge-discharge operations; a wiring board through which the state information is transmitted to the battery management system, the wiring board including conductive lines for transmitting different electrical signals; and a connector including a connector terminal coupled to the conductive lines and a connector housing accommodating the connector terminal, the connector being coupled to a mating connector of the battery management system, wherein the connector terminal includes a bottom plate accommodating the conductive lines, and barrels protruding upward from the bottom plate and configured to be compressed onto the conductive lines while surrounding the conductive lines, and first and second embossments on the bottom plate and the barrels of the connector terminal, the first and second embossments protruding toward the conductive lines.

Abstract: A novel electrical box to house one or more ISO micro relays, is adapted to support IP67 and IP69K Ingress Protection ratings. The housing of the electrical box is molded with blade sockets that correspond to blade positions of the ISO micro relay. The housing is also molded with terminal seats and cylindrical openings which vary, depending on the blade socket, enabling terminals of different sizes, orientations, and positions relative to the respective blades, to be easily inserted into the back of the housing. The resulting position of the terminals ensures that electrical connections to the ISO micro relay are made and ingress protection of components inside the electrical box is ensured.

Abstract: A contact ring including a ring-shaped structure formed of an electrically conductive material. The ring-shaped structure has a plurality of projections on at least one side and a plurality of blades on at least one side. The projections and the blades penetrate an electrically insulating surface layer of each of a pair of contact elements and contact an electrically conductive material of each of the contact elements to electrically connect the contact elements.

Abstract: A grounded FRL for treating a pressurized air supply has a housing with a connecting mechanism for connecting to a collector bowl. The collector bowl is made from a metal base material and has an open end with a connecting mechanism and a closed distal end. The housing has a flange that is electrically conductive and extending downwardly at an exterior of the bowl. At least one grounding clip member is made from electrically conductive material and has an exterior mounting end attached to the flange for electrical connectivity thereto and has a radially inner end that electrically makes contact with the metal base materials of the collector bowl and the housing.

Abstract: The present disclosure is directed to a system that is configured to eject fluid vertically away from a thermal microfluidic die for use with scented oils or other fluids. The die is coupled to a rigid planar support board that separates the die from a reservoir of the fluid. The support board includes an opening that is lined with an inert liner that protects an interior surface of the support board from the fluid. The support board includes contact to an external power supply and contacts to the die on a first surface. The die is coupled to this first surface such that the second surface remains free of electrical connections.

Abstract: A press-fit terminal includes a press-fit portion to be inserted into a through hole of a circuit board. The press-fit portion includes a plurality of protruding portions extending outward from a cross-sectional center of the press-fit portion, and a distance between an outer edge of each of the protruding portions and the cross-sectional center is continuously decreased toward the distal end of the press-fit portion.

Abstract: A base of an electrical connector includes a body and a front cover. An installation trough is formed on a first side surface of the body. The body further includes one or more first through holes communicating the installation trough and a second side surface of the body. One or more first positioning members are disposed on an inner wall of the installation trough. The front cover includes a front surface, a rear surface, and one or more second through holes communicating the front and the rear surfaces. One or more second positioning members are disposed on an outer wall of the front cover for combining with the first positioning member. The front cover is embedded into the installation trough with the rear surface facing the body, such that the second positioning member combines with the first positioning member, and the second through hole communicates the first through hole.

Abstract: [Problem] An object of the present invention is to provide the terminal connector and the terminal connection method that are capable of properly keeping the contact area and the contact surface pressure of the electrical contact portion for a long term even if the respective terminals of the motor and the control unit are configured at a simple shape, and to provide the optimum terminal connector and terminal connection method to use for the electric power steering apparatus, the electric actuator and so on. [Means for solving the problem] A terminal connector which connects between a motor-side terminal of a motor and a unit-side terminal of a control unit for the motor, wherein the terminal connector has an electrical contact due to a formation of a junction site between the motor-side terminal and the unit-side terminal by abutting the motor-side terminal and the unit-side terminal and applying a plastic deformation with a machine work to an abutted portion.

Abstract: A press-fit terminal and a manufacturing method for the same that enable plating on the surface of a pressure contact part to be in a stable state is provided. A first pressing part on a lateral edge apart from a slit and a first raised part projects further on one side than the first pressing part between the slit and the first pressing part are provided in a central portion of a first elastic pressure contact piece, with a pressure contact part being the first raised part, and a second pressing part 36 on a lateral edge apart from the slit and a second raised part that projects further on the other side than the second pressing part between the slit and the second pressing part are provided in a central portion of a second elastic pressure contact piece, with a pressure contact part being the second raised part.

Abstract: An assembling structure of bus bar is composed of a bus bar and a housing with which the bus bar is assembled. The bus bar is provided with a base portion extended in a band shape, a rectangular-plate-shaped press-fitting piece extended in a direction perpendicular to a longitudinal direction of the base portion from one end of the base portion, and an extended portion extended from the one end of the base portion and perpendicular to the press-fitting piece. The housing is provided with a press-fitting hole into which the press-fitting piece is to be press-fitted. Further, while the press-fitting piece is press-fitted into the press-fitting hole, the base portion and the extended portion abut on an outer periphery of the press-fitting hole.

Abstract: A connecting blade includes an insulation board; and a signal line disposed on the insulation board. The signal line has contact points at both ends thereof for connecting to a circuit connecting member. The signal line is formed of a metal band member. The signal line is arranged on the insulation board in a width direction of the signal line. The insulation board includes a cut portion penetrating through the insulation board or being recessed in a plate surface of the insulation board. The cut portion is situated at a position where the cut portion exposes a part of the signal line.

Abstract: A terminal block for electrically connecting a plurality of first wires connected to an electric motor and a plurality of second wires connected to a power conversion device for supplying drive power of the electric motor includes a case, a plurality of terminals housed in the case and configured to connect the plurality of first wires and the plurality of second wires to each other, a partition wall provided between the plurality of terminals to electrically isolate the plurality of terminals from each other, and plate-like members provided between the partition wall and the terminals and made of a material with a higher elasticity than the case and the partition wall.

Abstract: An electrical connector includes an insultive housing and defining a base seat and a mating portion extending from the base seat. A plurality of conductive terminals are retained in the mating portion and include a plurality of differential signal terminal pairs and grounding terminals, each conductive terminal defines a contacting portion disposed on the mating portion, a retaining portion fixed to the base seat and a connecting portion extending outside of the base seat, the contacting portion of each grounding terminal has a free end extending toward the inside of the mating portion and abutting against a first grounding bar. A second grounding bar defines a base portion and a plurality of abutting portions extending from the base portion and abutting against the retaining portions of the grounding terminals. The first grounding bar and the second grounding bar are connected by a bridging portion thereof.

Abstract: The present invention provides methods for controlling mobility state evaluation of user equipment and user equipment thereof. The method comprises the following steps: when the user equipment receives different evaluation parameters in a process of mobility state evaluation, the user equipment explicitly defines the currently set mobility state and a method for the following mobility state evaluation so as to avoid the confusion effectively when executing evaluation. The user equipment comprises a comparing module, an evaluation controlling module and an evaluation executing module, wherein the evaluation executing module comprises of a timer, a counter, an evaluation unit and a mobility state setting unit.

Abstract: A cable connection device is described for electroconductive connection of a preferably multiwire cable, comprising a forcing nut, a receiving device and a contact carrier. The cable is guided through the forcing nut and through an opening of the receiving device, which comprises a wire receiving element. A stripped wire section of the cable can be positioned radially to the longitudinal axis of the cable connection device, on the wire receiving element, and the forcing nut can be screwed onto the contact carrier so that the forcing nut engages around the receiving device, the wire receiving element is directed towards the contact carrier and the receiving device can be pushed towards the contact carrier by the screwing nut. The cable has a compact structure and can be very easily and/or rapidly connected to a cable, and/or produced very economically on the basis of its simple construction and few individual parts.

Abstract: A connector assembly for use with dual conductor cable is disclosed. The connector assembly includes a first connector, a second connector, first and second fixture wires, and first and second connector terminals. The first and second connectors are removably attachable. The first connector includes a first connector base, two prongs extending from the first connector base, and a first connector slot for accepting the first connector terminal. The second connector includes a second connector base, two wings extending from the second connector base, and a second connector slot for accepting the second connector terminal. The wings are sized and configured to accept the two prongs when the first and second connectors are joined. The first and second connector terminals include a spike extending generally away from the base of the connector into which the terminal has been secured.

Abstract: An electrically conductive terminal is configured for insertion into an opening in a substrate. The terminal includes a body having proximal and distal ends. The distal end is configured for insertion into the opening. The body includes a wall having an outer surface and a compliant barb that includes a base portion, an apex portion, a barb inner surface, and a barb outer surface. The base portion is disposed on the outer surface of the wall, along the body. The apex portion extends from the base portion in a direction from the distal end to the proximal end at an angle from the wall outer surface. The apex portion is located between the base and the proximal end. The barb inner surface faces the wall outer surface. The barb inner surface and the barb outer surface converge to the apex so that the cross-sectional width of the barb is non-uniform.

Abstract: A conductor-connecting washer arranged between two conductors to electrically connect the two conductors includes a metal plate portion including a washer hole in the middle and 24 or more contact protrusions integrally formed on each of both surfaces of the plate portion, 16 or more of which are bent alternately toward each of both surface sides along the outer circumference of the plate portion and 8 or more of which are bent alternately toward each of both surface sides along the inner circumference of the washer hole.

Abstract: A junction box particularly for lighting lines for tunnels includes a casing body provided with a cover; the casing body includes an electrical socket; a junction device inside the casing body connects the electrical socket to a pair of power supply wires of a power supply line that is affected by the junction box; the junction device includes one or more insulation displacement contacts; each insulation displacement contact engages a respective power supply wire without cutting it.

Abstract: An electrical contact for use with electronic devices is provided. This electrical contact includes a mating portion; a wire retaining portion; and body portion formed integrally with the wire retaining portion. The body portion further includes a central axis running lengthwise therethrough and at least one outwardly biased retention member, wherein the retention member is formed from the same material as the body portion and is integral therewith, and wherein the angle of deflection of the retention member is substantially perpendicular to the central axis of the body.

Abstract: A wallpaper (1) for contacting an electrical device (2), which is attachable to a wall (3), preferably attachable to any kind of room walls or ceiling or flooring of a building, whereas the wallpaper (1) comprises a plurality of conductive stripes (4), and whereas the electrical device (2) features contact pins (5) in order to contact the conductive stripes (4), characterised in that the conductive stripes (4) feature a certain stripe pitch (6) and the pins (5) feature a certain pin pitch (7), whereas different conductive stripes (4) feature different voltages in order to match the contact voltage of the contact pins (5) due to the contacting of different conductive stripes (4) basing on the certain pitches (6, 7) by placing the electrical device (2) in different positions.

Abstract: An electrical connector (1) comprises a dielectric housing (2) and a plurality of conductive contacts (3) aligned in a line and respectively secured in said dielectric housing (2). Each conductive contact (3) comprises a planar contacting section (30) having a contacting surface adopted to electrically engage a complementary electrical connector, a mounting section (32) adopted to electrically engaging a printed circuit board (5), an intermediate section connecting (34) between the contacting section (30) and the mounting section (32). Wherein, the contacting surfaces of the plurality of conductive contacts (3) are arranged in a common plane having an offset from the printed circuit board (5), the intermediate section (34) defining a hole (36) therein, a proper size conductive region of the intermediate section (34) can be set by defining a proper size of said hole (36).

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: Electrical connectors and contacts are disclosed. An electrical connector having a contact receiving well extending along a contact receiving direction, and having a generally T-shaped cross-section along a direction transverse to the contact receiving direction. An electrical contact may be received in the contact receiving well. The contact may include a generally planar body portion, a groove and shoulder for use with a pressing tool, a first contact portion extending from a first end of the body portion, and a second contact portion extending from a second end of the body portion. The contact is adapted to be received into a generally T-shaped contact receiving well to prevent movement of the electrical contact therein. The electrical contact includes burrs formed by stamping to cut into the receiving well, and a contact tail with double bend, allowing the tail to float within a cavity of the contact receiving well.

Abstract: The invention relates to an electrical terminal connection, especially for connecting an outer conductor of a coaxial cable, characterized by the following novel developments: the electrical terminal connection is embodied in a two-stage manner; the plug-in element comprises at least two plug-in sections which are staggered in the plug-in and axial direction, both the first plug-in section in the plug-in direction and the following plug-in section being provided with a knurl on the outer periphery thereof; the receiving opening comprises a first receiving section and a second receiving section which are staggered in the plug-in and axial direction of the plug-in element; and the cross-sectional size of the two plug-in sections and the two complementary receiving sections differs in that the radial dimension or outer dimension of the plug-in sections provided with the knurl is slightly larger than the radial or outer dimension of the receiving section respectively co-operating therewith.

Abstract: A grounding clip having a generally U-shape spring clamp having first and second opposing walls extending from a curved base portion thereof, the first and second walls each having a leading edge portion opposite the curved base portion. The spring clamp is fastenable to a panel with the curved base portion disposed over the panel edge, the first wall of the spring clamp adjacent one side of the panel and the second wall thereof adjacent the other side of the panel. A wire fastening member, preferably the crimping type, extends from first wall of the spring clamp between the curved base portion of the spring clamp and the leading edge portion thereof. When the spring clamp is fastened to the panel, the wire fastening member and wire fastened thereto are adjacent the corresponding side of the panel and spaced apart from the panel edge, whereby only the curved base portion of the grounding clip protrudes beyond the panel edge.

Abstract: A terminal retention feature for retaining a terminal pin in a terminal block is disclosed. The retention feature includes an arrowhead shape having barbs thereon. The barbs are tapered on the front side to reduce insertion forces and eliminate deformation of the terminal block. The retention feature provides reduced insertion forces while enabling high retention forces preventing pull out of the terminal pin.

Abstract: A contact retention mechanism for a smart card connector comprises a frame (12) and a number of contacts (3). The frame (12) forms a guiding recess (124) and a number of contact slots (125). A positioning slot (1250) is formed in each contact slot (125) and comprises a straight slot (1254) and a transverse positioning recess (1255). Each contact (3) is received in a corresponding contact slot (125) and comprises a contact body (30), a solder portion (31), a retention portion (33) and a contact portion (32). The solder portion (31) further comprises a pair of flanges (311) formed on opposite ends thereof for being received in the corresponding transverse positioning recess (1255) of the positioning slot (1250) thereby precisely maintaining the position and alignment of the contact (3).

Abstract: An electric component with a soldering-less terminal fitment capable of preventing a contact portion of the terminal fitment from being detached from an electrode on a surface of a circuit board due to slippage thereof on the circuit board. A terminal fitment arranged between a circuit board and an insulating casing includes a connection conductor holding section and a contact terminal section having a proximal portion formed integrally with the connection conductor holding section. The contact terminal section includes a contact portion, which is pressedly contacted with an electrode on the circuit board by elasticity. The contact terminal section includes a curved portion which is curved in a manner to be projected in a direction of insertion of a connection conductor through the terminal fitment and provided on a distal end thereof with the contact portion. The contact portion is constituted by a biting element.

Abstract: A contact for an electric connector is configured as an elongated post. The contact consists of a body portion, a terminal portion for being soldered to a substrate, a PCB for example, a contact portion for engaging with a corresponding contact in a mating connector, a first fitting portion protruding from two lateral sides of the body portion, and a second fitting portion also protruding from the two lateral sides of the body portion. The second fitting portion is located nearer to the terminal portion than the first fitting portion and has a width larger than that of the first fitting portion. When the contact is inserted into a corresponding contact passage defined by a dielectric housing of the connector, the first and second fitting portions will sequentially have an interference fit with the housing.

Abstract: An assembly for conveying electricity comprising a stamped electrical buss plate having a slot formed therein, and an electrical terminal having a body portion and an upwardly extending prong portion, said body portion having raised features, said terminal being inserted in said stamped electrical buss plate slot so that said raised features engage the edges of said buss plate defining said slot.

Abstract: An electrical connector (20) having a housing block (24) with a plurality of passageways (50) having tapered portions (56) and straight portions (58) into which are inserted respective contact terminals (34). The passageways and the contact terminals are so designed that the contact terminals are press-fit into the passageways and displace dielectric material of the housing block to provide a "seal" which prevents solder flux from wicking up the passageways. In addition, the contact terminals are formed with a longitudinal knurl (38) to prevent rotation of the contact terminals after insertion. Still further, each contact terminal is formed with a frusto-conical retention collar (42) having a rearward facing surface (66) which, upon exiting a passageway, abuts against a recessed stop ledge (64) formed in the housing block to prevent the subsequent removal of the contact terminal from the housing block. The housing block (24) also includes channels (60) that aid in removal of solder flux.

Abstract: A connector assembly for effecting electrical circuit connection between insulated wires without removing the insulation therefrom including two identical insulated unitary housing members capable of being coaxially interfitted to define a central passage chamber for a dual conductor cable; each housing member carrying a plate terminal formed with an elongated central opening receptive of a single wire conductor and having a sharp prong protruding from one side thereof for penetrating the insulation of the cable and contacting one wire conductor thereof when the housing members are interfitted; each of the plate terminals operating to penetrate the insulation of an associated single wire conductor to establish circuit connection therewith.

Abstract: A connector formed of two molded parts and a plurality of contacts is provided with means for fixing the contacts such that a plurality of contacts are fixed accurately and rigidly to the body of a connector with a simple construction.

Abstract: A board-to-board connector comprises a first and a second insulation body and a plurality of terminals, each of the terminals having contacts at both ends and at least two pairs of bulges near the respective ends and, after press-insertion of the terminals into through-holes of the first and second insulation bodies, the first bulge pair being fixed to the through-hole of the first insulation body and the second bulge pair being fixed to the through-hole of the second insulation body resulting in firmly joining the first and second insulation bodies together. The first insulation body can provide a hollow cave on a contacting side with the second insulation body, which makes it possible to fabricate the first insulation body having a larger height necessary for increasing a height of the connector.

Abstract: A molded receptacle including an interior wall surface and screw threads formed on the interior wall surface by a mold core. The threads have a predetermined thread profile including root radii substantially corresponding to a desired thread standard and crest radii which are smaller than the root radii. The crests of the threads are deformable after molding to enable the mold core forming the threads to be stripped from the receptacle in a direction substantially perpendicular to the major axis of the threads to provide crests which are deformed from their original molded shape yet dimensioned to fall within the desired thread standard. The receptacle is utilized as a threaded socket having one or more electrical contact members. The socket includes a housing which can be formed as stated above including an interior side wall having the threads, a first closed end, a second open end and a first aperture formed through a portion of the housing.

Abstract: An improvement is provided in an electrical connector system which includes a connector block of insulating material having a plurality of pin receiving openings for positioning a plurality of terminal pins therein by an interference fit. At least some of the openings each are generally rectangularly shaped and include inwardly directed pin engaging projections located in diagonally opposite quadrants of the rectangular opening. The invention contemplates that the connector block may have a series of the openings in a closely spaced row. The diagonally opposite quadrants in which the projections are disposed are at the same respective locations in each opening along the row.

Abstract: A set of strips of electrical terminals connected together by carrier strips (122 and 120) each comprises electrical terminals (95) each having a receptacle portion (96), a barbed retention part (98) for retaining the terminal in a terminal receiving cavity (62) in an insulating housing (14), a terminal leg and a cranked arm (102) connecting the retention part (98) to the terminal leg (100). The leg (100) has intermediate its ends a retention member (108), the leg (100) terminating in an insertion lance (112) for insertion in a hole (H) in a substrate (S). The set of terminal strips, comprises pairs of terminal strips, the arms (102) of the terminals of each pair of said strips being cranked in opposite senses. The portion (114) of the leg (100), between the arm (102) and retaining member (108) varies in length from pair of terminal strips to pair of terminal strips. The angle of crank of the arm (102) similarly varies.

Abstract: An improved electrical junction box includes a housing, a multilayer printed circuit board supported by the interior of the housing and an array of electrical connectors supported by the exterior of the housing. The electrical connectors make electrical contact with one or more circuit traces in the multilayer circuit board. The circuit traces are of varying thicknesses according to the current levels to be conducted by the traces, thus minimizing the amount of copper required to fabricate the junction box. The circuit traces with the greater thicknesses are positioned in the outer layers of the circuit board to enhance heat dissipation from the circuit board.

Abstract: A one piece, molded, insulating connector body (14) for a surface mounted, shielded, electrical connector (10), comprises a plug portion (16) projecting from the body (14) into a forward hood (68) thereto, for mating with a shielded electrical socket (18) inserted into the hood (68). There projects from a terminal receiving face (70) of the body (14), a terminal leg spacer plate (74) having notches for receiving the `U`-shaped retaining members (108) on the legs (100) of the terminals (95) in through cavities (62) in the body (14). Each leg (100) has a lance (112) for insertion in a hole (H) in a substrate (S). The legs (100), and cranked arms (102) connecting them to receptacles (96) of terminals (95), are so shaped and dimensioned that even where the cavities (62) are arranged in three superposed rows, the lances (112) can be inserted into the holes (H) where these are arranged in only two rows, and with a different spacing from that of the rows of cavities.

Abstract: An improved standoff for use in assembly of an electronics device includes a generally cylindrical body with a bore hole through the longitudinal axis. A plurality of reinforcing fin-shaped members disposed radially about the outer surface provide additional rigidity to the structure as well as providing surfaces at each end of the standoff upon which circuit boards may rest. A plurality of clips may be moved under compression and passed through holes on a circuit board. Once they have passed through, they will elastically return to their normal position thus loosely, but securely, holding the circuit boards together. This allows the standoffs to hold the circuit boards together, without the use of additional nuts and bolts and conventional spacers, and also allows the passing of final assembly screws through the longitudinally bore of the spacer.

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: Solder cup connector comprises stamped and formed terminals loaded into passages of a one-piece housing. Each terminal has a mating portion formed in a first direction from the plane of the stock, a solder cup formed in a second, opposite direction from the plane of the stock, and a transition portion crossing the axis of the terminal to align the mating portion and the solder cup. Flanges extending laterally from the transition portion bend to engage the side walls of a respective passage as a terminal is inserted therein, and further bite into the housing if withdrawal is attempted. The transition portion also serves as a barrier which prevents wicking of solder into the mating portion.

Abstract: A high density receptacle has a right-angled configuration having pins extending from a mounting face for interconnection to a printed circuit board. A second face is mountable to a bulkhead and has three rows of pins mounted in a cavity recessed from the second mounting face for interconnection to a matable plug having socket contacts. The contacts within the receptacle are disposed in three tiers, the contacts being bent around mandrels to form the right-angled bend. Below the mandrels is a contact locating plate having contact receiving slots in line with the contacts. The upper and lower row of contacts are laterally aligned with each other and with a first contact receiving slot. The first slot has two widths, and has a rib extending down along the edges of the slot. When the contacts are placed in the slot, the ribs interferingly hold the contacts in place.

Abstract: An electrical connector for assembly of an electronic component with two parallel rows of terminals onto a printed circuit board, the connector including an insulating block having two rows of cavities, each cavity containing a contact element introduced through an opening provided at the top of the cavity and a leg projecting at the bottom of the cavity for connection to the printed circuit board. The contact element comprises a substantially flat web portion pressing against the side of the cavity adjacent to an outer longitudinal face of the insulating block. A central part of the web portion is cut out and bent to form a contact tab extending out of the plane of the web portion. The tab is resiliently urged towards the bottom of the opposite wall of the cavity to cooperate with a male contact element which is inserted into the cavity.