Abstract: A socket having a housing, a plurality of contacts, a plurality of insulating members and a plurality of conductive resin members is described. The housing is in a box shape with an opening and is provided with a matrix of penetration holes at a bottom portion. The plurality of contacts include contacts for ground and respective pairs of contacts for high-speed differential transmission. The plurality of insulating members support the plurality of contacts and are pressed into the housing so that the contacts are exposed on an opposite side of the opening from the penetration holes of the housing. The plurality of conductive resin members are fitted at positions of the plurality of insulating members in contact with the contacts for ground.

Abstract: A testing device with power protection includes a power interface and a testing platform. The testing platform includes a casing, a fixed frame and a sliding frame. The power interface is disposed at one surface of the casing. The fixed frame covers the power interface. One side of the fixed frame formed with an entrance that exposes the power interface outwards from the fixed frame. The sliding frame includes a rack body slidably that is located on the casing, and a shielding door that is rotatably connected to the rack body for covering the entrance of the fixed frame. When the rack body is slid towards the power interface so as to rotate the shielding door away from the entrance by the fixed frame, the power interface is exposed outwards from the fixed frame through the entrance.

Abstract: A solder socket contact for a printed circuit board, comprising a first contact element and a second contact element, wherein the first contact element has at least one soldering pin which is designed to be soldered to the printed circuit board, the first contact element has a contact region for contacting a plug contact, the second contact element has at least one soldering pin which is designed to be soldered to the printed circuit board, the second contact element has a contact region for contacting the plug contact, and the first contact element and the second contact element form an individual pole for contacting the plug contact.

Abstract: An electrical connector for connecting an electronic package to a printed circuit board, includes an insulative housing with a plurality of passageways therein, and a plurality of contacts are retained in the corresponding passageways, respectively. Each contact has a main body and opposite upper and lower contacting arms extending therefrom in a symmetrical manner in the vertical direction. Each of the upper contacting arm and the lower contacting arm has a pair of spring beams spaced from each other. Each beam includes an extension section directly extending from and coplanar with the main body, an oblique section extending from the extension section and a contacting section extending from the oblique section. The distance between the oblique sections of the pair of beams is essentially same with that of the extension sections thereof, while larger than that of the contacting sections thereof.

Abstract: A socket connector assembly includes a socket connector and a cable assembly coupled to the socket connector. The socket connector includes a socket frame having a socket opening and a socket substrate received in the socket opening. The socket substrate includes lower socket conductors electrically connected to a host circuit board and upper socket contacts having deflectable spring beams. The cable assembly includes an outer housing and a paddle card received in a pocket having paddle card contacts at a mating end on a lower surface interfacing with the upper socket contacts. The cable assembly includes cables terminated to the paddle card communicatively coupled to corresponding paddle card contacts. The side walls of the outer housing engage an outer surface of the socket frame to locate the paddle card relative to the socket substrate.

Abstract: The invention concerns a busbar adapter (1) with a housing; contact elements (5), on each of which an electrical connection (12) is formed and which are displaceably arranged in the housing, in such a way that the contact elements (5) can each be displaced between an extended position, in which the electrical connection (12) protrudes outwards in the region of a side face on the housing and by means of which electrical connection (12) an electrical contact to a busbar can be made, and a retracted position, in which the electrical connection (12) is arranged in the housing and the electrical contact is broken; and a single camshaft (9) which is arranged in the housing such that it can rotate and which has an arrangement of cams (10) which, for actuating the contact elements (5), are in each case assigned to at least one of the contact elements (5), in such a way that the contact elements (5) can be displaced in each case between the retracted and the extended position by rotation of the single camshaft (9).

Abstract: An electrical connector is used to mate with a mating connector. The mating connector includes multiple mating terminals, and each mating terminal has a first contact portion. The electrical connector includes: an insulating body having a mating space used to mate with the mating connector; a shielding sheet accommodated in the insulating body; multiple contact terminals, each being accommodated in the insulating body and located at one side of the shielding sheet, and each has a second contact portion exposed to the mating space; and an elastic body accommodated in the insulating body and partially exposed to the mating space. The elastic body is located between the shielding sheet and the contact terminals. When the electric connector is mated with the mating connector, the first contact portions enters into the mating space, and the elastic body forces each first contact portion abuts a corresponding second contact portion.

Abstract: An electrical connector includes: a body, provided with multiple accommodating holes penetrating through an upper surface and a lower surface of the body; multiple terminals, correspondingly accommodated in the accommodating holes; and multiple solders. Each accommodating hole has two opposite shielding portions. Each terminal includes a base, two extending portions bending and extending from two opposite sides of the base, two contact arms extending downward from the two extending portions and toward each other, and two clamping portions bending and extending from two opposite sides of a lower end of the base. An upper end of the base is exposed upward to a corresponding accommodating hole. The shielding portions shield upper ends of the extending portions. The two contact arms are used for a pin of a plug to insert downward therebetween. Each solder is correspondingly clamped by the two clamping portions.

Abstract: An electrical connector includes an insulative base, an insulative cover attached upon the base and moveable along a front-to-back direction, and an operation lever sandwiched between the base and the cover for moving the cover relative to the base in the front-to-back direction. The lever includes an actuating bar sandwiched between the upper head and the lower head, and an operation bar exposed outside of the base and the cover. The operation bar is rotatable between a horizontal position and a vertical position. The lower head includes a stopper around a front end of the operation bar with a locking section engaged with the operation bar wherein said locking section extends toward the operation bar either inwardly along the transverse direction or in the front-to-back direction.

Abstract: A power connector system includes a header connector having a header housing mounted to a chassis. The header housing holds a header terminal comprising a plurality of contact members arranged side-by-side in a stacked arrangement. Each contact member has a pair of spring beams defining sockets at a mating end of the contact member. The sockets of the contact members are aligned to define a tab socket of the header terminal. The power connector system includes a plug connector having a plug housing holding a tab terminal. The tab terminal has a mating end and a cable end. The mating end is received in a mating direction into the tab socket of the header terminal during mating to electrically connect the tab terminal with the header terminal.

Abstract: This application relates to magnetically actuated electrical connectors. The electrical connectors includes movable magnetic elements that move in response to an externally applied magnetic field. In some embodiments, the electrical connectors includes recessed contacts that move from a recessed position to an engaged position in response to an externally applied magnetic field associated with an electronic device to which the connector is designed to be coupled. In some embodiments, the external magnetic field has a particular polarity pattern configured to draw contacts associated with a matching polarity pattern out of the recessed position.

Abstract: A communication system includes a receptacle cage and a circuit board. The receptacle cage has walls defining a port that is configured to receive a pluggable module therein. The receptacle cage houses a communication connector configured to electrically connect to the pluggable module. The receptacle cage and the communication connector therein are both mounted on a top face of the circuit board. The circuit board defines at least one opening through the circuit board in a port mounting area that aligns with the port of the receptacle cage. The at least one opening is configured to receive heat dissipating fins therethrough that transfer heat from the pluggable module in the port through the circuit board to a cooling fluid beyond a bottom face of the circuit board.

Abstract: A receptacle connector includes a receptacle contact corresponding to a plug contact, a receptacle housing that holds the receptacle contact, and an assistant fitting attached to the receptacle housing, and is mounted on a connector mounting surface of a circuit board. The assistant fitting includes at least a held portion, a fixing portion, and a vertical displacement regulating portion. The held portion is a portion that is held by the receptacle housing. The fixing portion is a portion that is hooked to the plug housing to thereby fix the plug connector to the receptacle connector. The vertical displacement regulating portion is a portion that regulates a displacement of the fixing portion in a direction away from the connector mounting surface of the circuit board.

Abstract: A terminal box that stably and surely provides a required length of play in an output line, and a method of connecting the output line. The terminal box includes a terminal strip connected to the output line, and a main body housing the terminal strip. The terminal strip includes a connecting portion electrically connected to the output line, and a play producing portion. The play producing portion has an opening receiving the output line. The main body includes a receiving hole formed at a position corresponding to the opening for receiving the output line. The play producing portion inclines relative to the connecting portion by a first angle with the output line being inserted through the receiving hole and the opening to be connected to the connecting portion, and by a second angle smaller than the first angle with the output line being connected to the connecting portion.

Abstract: A plug engagement pin provided on each side of the plug connector is inserted into an engagement section of a hook and locked there when the shaft is rotated. The hook is fixed to a rotatable shaft provided for the receptacle connector and includes a projection. If the plug connector is inserted in a slanted state, the projection of the hook prevents the pin from being rotated.

Abstract: Embodiments of the present disclosure are directed towards a snap connector for socket assembly and associated techniques and configurations. In one embodiment, a socket assembly includes a socket body having a plurality of openings extending from a first side of the socket body to a second side of the socket body to provide an electrical pathway between the first side and the second side, the second side disposed opposite to the first side, wherein a holding portion of an individual opening of the plurality of openings adjacent to the first side of the socket body is shaped to hold a corresponding electrical contact of a die package by elastic force applied by the socket body to the electrical contact when the electrical contact is positioned within the holding portion. Other embodiments may be described and/or claimed.

Abstract: Disclosed herein is a socket device for an integrated circuit (IC) test. The device includes: a socket which is provided with a pin guide plate that can guide and protect a spring contact so as to prevent damage to or breakage of the spring contact that electrically connects an IC lead to a PCB; and an IC insert provided with a guide plate. According to said configuration, ball grid array (BGA) ICs in which IC leads are balls can be more efficiently tested. Particularly, contact pins of the socket and the IC leads can be mechanically and electrically more precisely positioned for narrow pitches of the IC leads such as 0.4 mm, 0.35 mm, and 0.3 mm. Thereby, damage to or breakage not only of the ICs to be tested but also of the socket can be minimized.

Abstract: Disclosed herein is a connector for contacting a flexible cable with a printed circuit board (hereinafter “PCB”) that enables the connector to contact the flexible cable directly to the PCB without using a terminal as a medium. The connector includes a housing that is fixed to a PCB and forms an insertion space between it and the PCB, where into a flexible cable is inserted; and an actuator mounted rotatably on the housing that pushes downward on the top of the flexible cable inserted into the insertion space so as to put the conductor part of the flexible cable in direct contact with the conductor part of the top of the PCB.

Abstract: A connector that can satisfy the two requirements of improving workability in connecting and removing the connector, and securing connection strength. A fitting portion of the connector, which is inserted in a hole formed in a FPC, is configured to be flexible. The fitting portion is flexed to thereby make it possible to insert the fitting portion into the hole of the FPC by a small insertion force, and the fitting portion is elongated to thereby make it possible to press two contact portions provided thereon against a first terminal portion and a second terminal portion provided in the hole of the FPC, respectively.

Abstract: An LED display screen case includes a module, a HUB plate, a case frame, a power supply and a receiving card. One side of the HUB plate is connected with the module by a plug A and an interface A in a plugging mode. The other side of the HUB plate is connected with the receiving card by a plug B and an interface B in the plugging mode. A through hole is formed at a position corresponding to the plug B on the case frame. The plug B passes through the through hole. The receiving card and the HUB plate are connected by the plug B and the interface B in the plugging mode and fixed to the two sides of the case frame. This kind of connection type reduces the space inside the case for accommodating devices, and also ensures the good radiating effect of the case.

Abstract: A zero insertion force (ZIF) connector can include a connector housing defining an opening and an interior space for receiving a mating member, multiple LIGA springs positioned within the interior space and configured to apply pressure to the mating member while in a first position, and a locking component to cause the LIGA springs to move to a second position responsive to a user pressing the locking component. The LIGA springs do not apply pressure to the mating member while in the second position.

Abstract: A waterproof connector includes a housing (20) that accommodates terminal fittings (12). A rubber plug (40) is fit in the housing (20) and a rear holder (50) is mounted behind the rubber plug (40). The rear holder (50) is set in a partially locked state while inserting the terminal fittings (12) and is set in a fully locked state after the terminal fittings (12) are accommodated completely. A lever (80) is assembled with the housing (20) and is moved to assist a connection to a mating connector (90). Movement limiting portions (70) are retracted from a movable range of the lever (80) to permit movement of the lever (80) when the rear holder (50) is in the fully locked state, but are in the movable range of the lever (80) to limit movement of the lever (80) when the rear holder (50) is in the partially locked state.

Abstract: A wire terminal structure capable of fully enclosing internal components to prevent external dust or impurity from entering the insulation case to affect the normal operation thereof. The wire terminal structure includes an insulation case and a conductive holding frame disposed in the case. The case is formed with a wire socket and a press window. The conductive holding frame has an elastic holding member corresponding to the wire socket. The elastic holding member is formed with a holding mouth. A push section is disposed on the elastic holding member corresponding to the press window. A pushbutton is elastically movably disposed in the press window between the press window and the push section. The pushbutton is spaced from the case. When an external force is applied to the pushbutton, the pushbutton is elastically moved to push the push section and open the holding mouth.

Abstract: An arrangement for a connector and a mating connector is provided. The arrangement includes a housing, an actuator, a connector receiving chamber, and an action mechanism. The is positioned along a surface of the housing. The connector receiving chamber is surrounded by the housing and the actuator. The action mechanism includes a drive connected to the actuator to move the actuator along the surface of the housing.

Abstract: A universal contact port for receiving contacts of various cross-sectional dimensions and cross-sectional profiles of an electrosurgical component is provided. The universal contact port includes a plurality of rollers each defining a corporal axis, the corporal axes being at least substantially parallel to one another; and a plurality of shafts eccentrically supporting a respective roller, each shaft defining a longitudinal axis, wherein each corporal axis is spaced a radial distance from a respective longitudinal axis and wherein the rollers are rotatable about the longitudinal axes. The rollers define an opening therebetween, wherein the opening is expandable and constrictable upon rotation of the rollers about the longitudinal axes, whereby the contact port can accommodate receipt of contacts, from electrosurgical components, of varying cross-sectional diameter therein.

Abstract: Connection device for connecting at least one electrical conductor to at least one spring-type terminal which is provided in a housing of the connection device and which comprises a mechanical drive, the mechanical drive being arranged or installed in the housing and comprising a blade which has a broad face and a narrow face for actuating the spring-type terminal, the broad face of the blade moving the spring-type terminal into an open position in which the electrical conductor can be inserted into an insertion opening of the spring-type terminal.

Abstract: The invention relates to a coupling device (2) for electrically connecting a melting furnace, in particular the crucible (1) of a melting furnace, to an energy source, comprising at least one contact body (6), which is connected to the energy source by means of high current cables (10), and at least one molded part (5) as part of an electrical receptacle (3) on the melting furnace, in particular the crucible (1), characterized in that a form-fitted and electrically conductive connection of the contact body (6) and the molded part (5) can be established by inserting the contact body (6) into the molded component (5). The invention further relates to a melting furnace, in particular an induction furnace and a vacuum induction melting furnace (VIM), comprising at least one such coupling device.

Abstract: A battery, in particular a lead-acid rechargeable battery, having at least one battery cell connecting element, which has a connector, which has at least one side surface, for connection to at least one plate on a lower face of the connector, and a welding lug, which is electrically conductively connected to the connector and has a recess which is bounded by a boundary, wherein, in a section which is adjacent to the side surface of the connector, the boundary has a profile which corresponds to a contour of the side surface of the connector.

Abstract: The chassis of an electronic device includes a circuit board and a power supply, a base, and a first side plate. An accommodating space, with an opening thereinto, is defined in the base. The circuit board is attached to the base, and a first connector is attached to a back surface of the circuit board. A second connector is attached to the power supply and electronically connected to the first connector. The power supply may be slid into the accommodating space via the opening. The sliding direction of the power supply as it is inserted is substantially parallel to the circuit board, and the first side plate is attached to the base to cover the opening.

Abstract: An electrical connector having a reduced temperature rise system is described herein. The electrical connector can include a conductor receiver and a conductor mechanically coupled to the conductor receiver. The conductor can include a pin having electrically conductive material and an exposed end. The conductor can also include at least one compression member disposed along a portion of the outer perimeter of the pin at a first distance from the exposed end. When the conductor is coupled to the conductor receiver, the compression member contacts the wall of the conductor receiver to the pin. Alternatively, the conductor receiver can have an electrically conductive first portion and a second portion. Further, the conductor can have a conductive pin and a guide pin. The guide pin can force the first portion to expand and compress around the conductive pin as the conductor is mechanically coupled to the conductor receiver.

Abstract: An electrical connector includes a housing and a conductive contact member disposed in the housing. A first contact portion of the conductive contact member receives a blade contact of an electrical device and a second contact portion electrically engages an inserted electrical wire. A spring member is disposed in the housing and is connected to the contact member. A rotatable member is movable between first and second positions. When the rotatable member is in the second position the spring member secures an inserted wire in electrical engagement with the conductive contact member and prevents removal of the inserted wire. When the rotatable member is in the first position the spring member allows for removal of an inserted wire and allows for insertion of a wire in the housing.

Abstract: A locking mechanism for probe connector that is connected to a shaft of the probe connector, includes a door and a drive assembly for releasing or locking the probe connector by opening and closing of the door.

Abstract: A connector is provided that includes a housing, a contact, and a slider. The housing includes an mating connector receiving section, while the contact extends into the mating connector receiving section. The slider is positioned on the housing and includes a cam plate and a protruding wall positioned along a rear end of the cam plate.

Abstract: An electrical connector including a housing; and a plurality of first ground contacts. The first ground contacts each comprise a male contact blade configured to be inserted into a contact channel of a housing of a mating electrical connector. The male contact blade has a portion configured to contact the housing of the mating electrical connector, after the male contact blade makes electrical contact with the deflectable beam, to move the male contact blade in the contact channel, increase deflection of the deflectable beam by the male contact blade, and increase or maintain normal force between the mating contact and the ground contact generally.

Abstract: A terminating and connecting device with a housing having a lower and upper housing parts, at least one contact spring for electrically contacting at least one terminal lead, at least one terminal element for connecting at least one cable, and at least one metal part for connecting the contact spring to a cable connected by the terminal element. The housing upper part has at least one actuating element and a contact spring. The contact spring has two contact legs connected by a back, and the lower housing part has a top spring has two spring legs and a back which connects the spring legs. When the housing upper part is pressed onto the housing lower part, the actuating element presses on the back of the top spring so that the top spring moves into a position such that the terminal lead is clamped between the contact legs.

Abstract: A surgical system includes a power supply, a connector, and a surgical instrument having a body assembly, a transmission assembly, a transducer, and a connection assembly. The connection assembly is configured to selectively electrically couple electrodes on the transducer with wires of the connector. The connection assembly may be operable in response to actuation of a trigger. Various connection assemblies include an extensible member that extends to contact an electrode, a rotatable member that rotates a contact into contact with an electrode, a solenoid that extends contacts coupled to each end of the solenoid into the electrodes, or a solenoid that translates a frame having contacts towards the electrodes. Alternatively, the surgical instrument may include a connection assembly having a slip ring and a weighted cable end. Still further, the connection assembly may include contacts on a coupleable member that may be decoupled from contacts on the transducer.

Abstract: A connecting device for photovoltaic-capable insulating glass comprises at least one retaining device laterally attached to the photovoltaic-capable insulating glass. In its installed state, the retaining device is open on at least one side which faces the intermediate space so that at least one ribbon is insertable into a clamping device inserted in the retaining device, and wherein the ribbon establishes an electrical contact for a photovoltaic device accommodated in the at least one intermediate space, and wherein the clamping device is provided with an electrical supply line such that the clamping device establishes an electrical clamping contact between the at least one ribbon and the electrical supply line.

Abstract: A socket connector for electrically connecting a PGA package comprises a base having at least one passageway therein, at least one contact received in the at least one passageway and a cover rotatably mounted on the base and having at least one through hole corresponding to the passageway. The socket connector has a simple structure.

Abstract: A connection and junction box for a photovoltaic solar module having flexible flat conductor bands protruding from the surface of the solar module, wherein the connection and junction box has an insertion mouth at its side in mounting state facing the solar module, for at least one of the flexible flat conductor bands of the solar module, as well as comprising a housing for attaching to the solar module, and a connection device for the flexible flat conductor band, positioned in the housing, the connection device has a deflection arm and an electrical contact clamp, which is actuated when attaching the box to the solar module for bending and contacting the flat conductor band.

Abstract: An image display system attached to a ceiling of a vehicle includes a main body, attached to the ceiling, having a first housing recess and a second housing recess which is positioned further backward than the first housing recess in a length of the vehicle; a rotatable monitor portion having a display screen, wherein a contained state in which the display screen is contained in the first housing recess and an unfolded state in which the display screen protrudes from the first housing recess are switchable by rotating the display screen, and the display screen is oriented toward a back seat of the vehicle in the unfolded state; and a controller having an operation-face for controlling operation of the image display system, wherein the controller is detachably contained in the second housing recess in a manner such that the operation face is positioned facing downward.

Abstract: An electrical connector includes: an insulating base with a perforation; an insulating cover with a through hole and two slots recessed from a top surface, covered on and capable of sliding relative to the insulating base; a thrust member, disposed on the top surface of the insulating cover, has a body accommodated in the through hole, the body comprises an axial pushing hole, a plate portion respectively extending from two sides of the body and accommodated in the corresponding recessed slots; and a cam, having a driving portion above the body and a shaft extending downwards from the driving portion, at least one interference portion projects from a periphery at a lower end of the shaft and fixed near a bottom of the insulating base, the shaft passes through the axial pushing hole and the perforation.

Abstract: An appliance having a control housing assembly for operably storing a printed circuit board to which corresponding wiring connectors may be connected to couple electrical components to the printed circuit board.

Abstract: A connecting terminal for a connector has a fixed portion configured to be connected to an electrode portion provided in a member for mounting the connector, and a contact configured to electrically come in contact with a contact portion of a connected portion to be connected to the connector. At least one concave portion is provided along a whole outer peripheral surface of the connector terminal.

Abstract: An electrical plug-type connector includes a carrier, a sleeve contact having a movable tensioning sleeve, a housing movable relative to the carrier, a mating component having a pin configured to make contact with the sleeve contact, and a lever having first and second lever arms. Joining of the mating component with the carrier causes an anti-displacement element between the housing and the carrier to be released and, as a result of a displacement of the housing relative to the carrier, the tensioning sleeve moves and presses the sleeve contact against the pin and the first lever arm displaces and connects with the mating component and the displacement of the first lever arm builds spring tension that is applied in the second lever arm such that the second lever arm latches on the housing with a latching sound when the housing reaches an end position relative to the carrier.

Abstract: An electrical connector includes: an insulating base with a perforation; an insulating cover with a through hole and two slots recessed from a top surface, covered on and capable of sliding relative to the insulating base; a thrust member, disposed on the top surface of the insulating cover, has a body accommodated in the through hole, the body comprises an axial pushing hole, a plate portion respectively extending from two sides of the body and accommodated in the corresponding recessed slots; and a cam, having a driving portion above the body and a shaft extending downwards from the driving portion, at least one interference portion projects from a periphery at a lower end of the shaft and fixed near a bottom of the insulating base, the shaft passes through the axial pushing hole and the perforation.

Abstract: An electronic module adapted to be removably, operably connected to an electronic device. The electronic module includes a housing; at least one electronic component in the housing; and a plurality of electrical contact areas. The housing has a general electronic card shape with relatively large top and bottom sides and relatively thin side edges between the top and bottom sides. The plurality of electrical contact areas are located on a first one of the side edges. The electrical contact areas are connected to the at least one electronic component such that, when the electronic module is operably connected to the electronic device, the electrical contact areas on the first side edge are adapted to electrically couple the at least one electronic component to the electronic device along the first side edge.

Abstract: A power connector includes a holder having a cavity and a tab extending into the cavity. Power contacts are received within the cavity in a stacked configuration. The power contacts have a first end and a second end. The power contacts have a first receptacle section at the first end configured to receive a power terminal therein and a second receptacle section at the second end configured to receive a power terminal therein. The power contacts have an opening, wherein the tab is received in the openings to position the contacts within the cavity.

Abstract: An electrical connector includes an insulative base, a cover mounted on the base, a number of conductive terminals secured to the base, and a cam actuator extending through said cover and base to actuate the cover to slide on the base. The cam actuator includes a retention disk, a central disk, a cam disk, a transition disk, and a driving disk from down to up. The retention disk and the central disk are coaxial and located in the base. The cam disk, the transition disk, and the driving disk are coaxial and located in the cover. The cam actuator rotates on axis of the central disk. The axis of the cam disk is parallel to but offset from the axis of the central disk. The diameter of the transition disk is less than the diameter of the driving disk and more than the diameter of the cam disk.

Abstract: An electric contact which can improve the connection stability without increasing the sliding resistance even when the amount of reduction in the lengths of the electric contact is little. A preferred embodiment of the present invention comprises a first plunger which has conductivity and has an external cylinder portion; a second plunger which has internal contact portion to be inserted into the external cylinder portion, is interlinked with the first plunger in an extensible manner and has conductivity; and a coil spring which urges the first and second plungers toward a direction to separate them. The internal contact portion has a taper shape which expands towards the lower end from the upper end, and is formed so as to contact with the internal surface of the external cylinder portion and conduct to the external cylinder portion.

Abstract: A system (22) for removably connecting a circuit card, such as an extension card (54), to an electronic device, comprises a sliding component (28) adapted to support the circuit card (54) and having a guiding edge (32) configured to be slidably inserted in a channel (26) disposed adjacent a connector (20) of the electronic device so as to position the card mating edge (56) in register with the connector (20). A lever (40) is provided for lowering the mating edge 56 of the extension card (54) until suitable connection is made between the card connector and the connector (20). Advantages of the present invention include the fact that the system allows for ergonomic insertion and removal of extension cards without the need for manual dexterity on behalf of the user.