Abstract: A terminal detachable device includes a housing; an engaging member that moves in a first direction towards a terminal disposed at a predetermined position of the housing and that engages with the terminal, and that moves in a second direction away from the terminal disposed at the predetermined position and that disengages from the terminal; and an operating member that is rotatably provided with respect to the housing. The engaging member rotates with respect to the housing in accordance with rotation of the operating member, and is movable in the first direction or the second direction with respect to the housing in accordance with rotation of the engaging member with respect to the housing.

Abstract: A busbar module connects a first cell and a second cell adjacent to the first cell, arranged in a first direction and each having first and second electrode terminals spaced apart in a second direction normal to the first direction. The busbar module includes a busbar that electrically connects a first electrode terminal of the first cell and a second electrode terminal of the second cell to each other, and an insulating portion that accommodates the busbar. The busbar includes a first recessed mounting portion, the first recessed mounting portion and a protruding shape of the first electrode terminal having interfitting shapes and a second recessed mounting portion, the second recessed mounting portion and a protruding shape of the second electrode terminal having interfitting shapes, the first and second mounting portions, being slideably coupleable with the first and second electrode terminals.

Abstract: A connector is mountable on a circuit board and connectable with a mating connector. The connector comprises a housing and a plurality of contacts which are held by the housing. The contacts form two or more contact rows. The contacts of each of the contact rows are arranged in a pitch direction. Each of the contacts has a fixed portion which is fixed to the circuit board when the connector is mounted on the circuit board. The housing has one or more openings each of which is positioned between neighboring two of the contact rows in a predetermined direction perpendicular to the pitch direction. Two or more of the fixed portions extend into one of the openings.

Abstract: As a connector structure of the invention, there is provided a connector structure in which a pair of connectors are assembled to an opening (11) which penetrates a floor panel (1) in a passenger compartment from both sides of the floor panel (1) and terminal portions which are provided individually in the connectors which are fitted together are electrically connected.

Abstract: Connector assembly for electrical power supply or transmission in vehicles, comprising first and a second connector devices to be mated according to a mating axis. The first connector device comprises at least one spring device terminated by at least one electrically conductive head, movable in a spring load direction. The second connector device comprises at least one interlock terminal including an electrical conductor and an insulation cap arranged in such a way that, during the mating sequence, the at least one head touches first the insulation cap on one or several insulating areas and then contacts the electrical conductor on one or several conducting areas. Each of the one or several insulating areas is offset laterally with respect to each of the one or several conducting areas, according to a lateral direction perpendicular to the mating axis and to the spring load direction.

Abstract: A connection terminal includes a bushar, wherein at least one insertion opening for accommodating a bridging device is formed on the bushar, wherein the insertion opening is designed in the form of a material passage having a hole collar, wherein the hole collar of the material passage encircles the insertion opening. The hole collar extends away from the surface of the bushar in the opposite direction to the insertion direction of the bridging device.

Abstract: A board-to-board connector includes a receptacle connector and a plug connector. The receptacle connector includes a plurality of beam parts having a metal plate and an insulating layer formed on the metal plate and a plurality of conductive patterns formed on the insulating layer of the plurality of beam parts. The plug connector includes a beam contact part having a metal plate and an insulating layer formed on the metal plate and a plurality of conductive patterns formed on the insulating layer of the beam contact part. A beam projection is formed between the adjacent conductive patterns of the plug connector, and the beam projection is inserted between the adjacent beam parts of the receptacle connector when the receptacle connector and the plug connector are mated.

Abstract: Provided is a housingless connector in which a plurality of cantilevers arranged in a comb shape and functioning as contacts is hardly damaged. A receptacle connector (housingless connector) is formed of a single metal plate and used to be mounted on a receptacle-side substrate. The receptacle connector includes a plurality of cantilevers arranged in a comb shape and functioning as contacts, and an outer frame body surrounding the cantilevers. The outer frame body includes a pair of side plates sandwiching the cantilevers in a direction parallel to a connector mounting surface of the receptacle-side substrate, and a top plate disposed on an opposite side of the receptacle-side substrate with the cantilevers interposed therebetween.

Abstract: Disclosed are compositions of ethylene/(meth)acrylate copolymers, polyolefins (e.g., polyethylene and polypropylene), optional tackifier resins and optional fillers that provide very strong, tight hermetic heat seals yet are easily peelable. These compositions are useful as an adhesive layer in multilayer structures that are useful as packaging lidding films. Also disclosed are packages that comprise these multilayer structures.

Abstract: A method for calibrating a test instrument and a set of leads having proximal ends coupled with the test instrument is described. The method includes shorting the distal ends of the set of leads during calibration and zeroing the test instrument during the shorting. The shorting includes coupling an electrical conductor with at least two of the distal ends.

Abstract: A battery connector includes a housing, a contact, a lid housing, and a pair of rotor rods. The housing includes at a bottom portion a pair of slit apertures into which a positive electrode and a negative electrode can be inserted. At the contact, a pair of movable strips contacts opposing surfaces of the positive electrodes and the negative electrodes. The lid housing fits to the housing. The pair of the rotor rods is supported so as to be rotatable at and adjoining with or spaced from both end portions of the lid housing. The contact includes a guide strip provided with a pair of cam grooves of a V-shape at both end portions, and when the lid housing is inserted into the housing, the contact moves the pair of the rotor rods to be adjoining each other and presses the positive and negative electrodes to the pair of the movable strips.

Abstract: A power tool has a mechanism for ejecting a battery pack which includes a receiving frame which defines a cavity to receive a battery pack. A receiving member is adjacent the cavity. The receiving member meshes with a member on the battery pack to hold the battery pack in the cavity. A biasing member is in the cavity adjacent the receiving member. The biasing member ejects the battery pack from the ejecting mechanism. A member retains the biasing member in the cavity. The member guides a portion of the battery pack meshing with the receiving member into contact with the biasing member such that when the battery pack is locked onto the frame, the biasing member is in a compressed condition and when the battery pack is an unlocked position, the biasing member ejects the battery pack from the frame.

Abstract: A level bridge for electrically bridging two contacts located on top of each other in a fastening. The level bridge comprises a conductive section for electrically bridging two contacts located on top of each other and an elastic section allowing introduction and secure fastening. The conductive section and the elastic section of the level bridge are embodied in one piece. Additionally, a method for producing level bridges which comprises the step of punching a metallic material so that a metallic one-piece blank of a level bridge develops is also provided.

Abstract: A jumper includes a casing, and two conductive members. The casing defines a first receiving space in a first end, and a second and a third receiving spaces in a second end opposite to the first end. The conductive members are received in the first receiving space.

Abstract: An electrical connector that can provide stable contact between a signal transmission terminal and a short-circuit terminal even if the connector is downsized. The connector includes a main body having a plurality of terminal receiving cavities provided with lances by which signal transmission terminals are secured and a plurality of short-circuit terminal receiving cavities adjacent to the terminal receiving cavities for receiving short-circuit terminals. Each short-circuit terminal includes a bent part at a forward position and a contact at a rearward position. The main body further includes a window that is formed at a position to the rear of the lances corresponding to the contacts of the short-circuit terminals and through which the terminal receiving cavities and the short-circuit terminal receiving cavities communicate with each other. The contacts of the short-circuit terminals are in contact with the female terminals through the window.

Abstract: A compensating circuit board connector for connecting two adjacent circuit boards includes two sockets and a jumper. Each socket includes at least one receiving terminal having a conducting portion with two opposite sidewalls. The sockets are disposed on the circuit boards, respectively, so the conducting portions of the receiving terminals of the sockets jointly form an accommodating space. The jumper is mated with the sockets and includes at least one jumper terminal. The jumper terminal, configured for being received in the accommodating space, includes a frame and two resilient portions. The frame, narrower than a spacing between the opposite sidewalls of each receiving terminal, extends through the conducting portions of the receiving terminals of the sockets. The resilient portions, provided respectively at two ends of the frame, extend outward to each press against the opposite sidewalls of the corresponding receiving terminal, thereby electrically connecting the receiving terminals of the sockets.

Abstract: A pressure connection apparatus includes a conductive spring member having first and second end portions that are curved, and first and second retaining members having curved pockets that are oppositely oriented for receiving the first and second curved ends of the conductive spring member. An aluminum foil terminal of one battery is sandwiched between the conductive spring and the pocket of the first retaining member, while a copper foil terminal of another battery is sandwiched between the conductive spring and the pocket of the second retaining member. The spring member is clad with aluminum on one side and copper on the other, and the end portions are oppositely curved so that the aluminum-clad side contacts the aluminum foil terminal within the pocket of the first retaining member, and the copper-clad side contacts the copper foil terminal within the pocket of the second retaining member.

Abstract: An electrical connector including a first connector portion and a second connector portion. First and second covers are pivotally attached to the body about a common axis for covering the first and second connector portion.

Abstract: An electrical connector assembly is provided. The electrical connector assembly includes a housing including a body fabricated at least partially from a dielectric material. The housing body has an opening therein. An electrical contact is held by the housing. The electrical contact includes an intermediate portion and a spring potion each held at least partially within the opening. The spring portion of the electrical contact is engaged by the housing body such that the spring portion is deflected into shorting engagement with the intermediate portion of the electrical contact.

Abstract: An elongate electrical conductor (2) is disclosed that is adapted for electrically connecting with an electrical contact, the conductor (2) includes a longitudinally extending elongate body (61) for defining a first contact surface (62); and a plurality of longitudinally spaced apart ribs (66) that extend from the body (61) to respective free ends (67) that are spaced apart from the first contact surface (62) for allowing the contact to be progressed between the body (61) and one or more of the ribs (66), each rib (66) including a respective second contact surface (68) that is opposed with the first surface (62) wherein, upon progression of the contact between the body (61) and the one or more ribs (66), the first surface (62) and the respective one or more second surfaces (68) are resiliently biased into engagement with the contact.

Abstract: A lamp system including a bulb assembly, a socket assembly, and a conductor base assembly is provided. The bulb assembly includes an insulation object, a first bulb pin, and a second bulb pin. The socket assembly includes an outer housing, a first conductive terminal, and a second conductive terminal. The outer housing includes an opening to install the bulb assembly. The conductor base assembly includes a conductor. The conductor base assembly is an element manufactured independently and should be placed within the socket assembly. When the bulb assembly is not installed in the socket assembly, the two ends of the conductor contact the conductive terminals, respectively. When the bulb assembly is installed in the socket assembly, the insulation object on the bottom of the bulb assembly insulates the terminals from the conductor. The conductive terminals contact the bulb pins, respectively.

Abstract: An electrical connector assembly is provided. The electrical connector assembly includes a housing including a body fabricated at least partially from a dielectric material. The housing body has an opening therein. An electrical contact is held by the housing. The electrical contact includes an intermediate portion and a spring portion each held at least partially within the opening. The spring portion of the electrical contact is engaged by the housing body such that the spring portion is deflected into shorting engagement with the intermediate portion of the electrical contact.

Abstract: An electrical connector including a first connector portion and a second connector portion. Each of the first and second connector interfaces includes several terminals. At least a portion of the terminals of the first connector interface are electrically coupled to associated ones of the terminals of the second connector interface via a multi-level arrangement.

Abstract: The invention concerns a contact safety device for pin-and-socket connectors with an inserted state and a preassembled state, in which a safety mechanism is provided in the contact safety device to secure ignition contacts of the primer against interference and that safety mechanism comes into contact with a shorting bar in such a way that when/after the shorting bar is separated, the safety mechanism automatically goes into operation.

Abstract: An electrostatic protection cover for press fitting onto an electrical connector of a kind having at least one array of a plurality of compressive conductive elements. The electrostatic protection cover comprises a main body including an upper section to be positioned adjacent the upper surface of the electrical connector and electrically engaging contact sections of the electrical contacts. At least one grounding leg is dependent from the main body and positioned therefrom so that a resiliently deflectable portion of the at least one grounding leg can become engaged by at least one conductive element and upon engagement to be deflected from a previously undeflected condition. Clipping features are provided for removably securing the main body to the electrical connector.

Abstract: A fixed electrical connection member of an electronic device for connecting one or more electrical conductors of the electronic device to a mobile electrical connection member external to the electronic device includes, on the side external to the electronic device, 2N conductive terminals disposed on a front face and connected, inside the electronic device, to the electrical conductor of the electronic device, and aligned in pairs. The N pairs are aligned to form two rows of N terminals that are symmetrical with respect to a longitudinal axis. Each terminal of a pair is electrically connected to the terminal of the adjacent pair on the other side of the longitudinal axis.

Abstract: A coaxial connector includes an upper insulating case provided with columnar ribs in the four corners thereof. These ribs are provided to position a fixed terminal and a movable terminal. The tops of the ribs are arranged so that the fixed terminal is easily guided. Half-circular concavities are formed on both of the sides of the fixed terminal. The concavities are fitted onto the ribs of the upper insulating case, so that the fixed terminal can be incorporated into the upper insulating case with a high positional accuracy. Thereafter, the ribs are thermally deformed into a dome shape by a welder, so that the fixed terminal is fixed to the upper insulating case.

Abstract: An earth ground terminal provides an electroconductive substrate part and an electroconductive spring contact which protrudes integrally from one edge of the substrate part toward the side opposite to the substrate part. Through holes which have undergone a burring process are formed in the aforementioned substrate part. The earth ground terminal is used to prevent electromagnetic inductive interference, high-frequency inductive interference, etc. The earth ground terminal is effective when a printed substrate is grounded by a shield plate or a chassis.

Abstract: A conductive clip is placed over a component mounted to a printed circuit board (PCB) to form a conductive path between terminals of the component. In one embodiment, a conductive clip is placed over a surface mount technology (SMT) component, with the clip having ends that include a flared portion and a sharp triangular retainment detent. In another embodiment, the clip has a shoe box shape and includes two sides having retainment detents that are disposed to engage an area between an edge of the component and the PCB. In yet another embodiment, the present invention is adapted for use with through hole mounted components having axial leads, with each end of the clip including a slot that engages a lead when the clip is pressed onto the component. The present invention allows a PCB to be designed to support multiple configurations without using DIP switches or headers/jumpers.

Abstract: A branch junction box assembly containing a busbar and a flexible printed substrate. The busbar has a contact section extending therefrom and, similarly, the substrate has a contact portion extending therefrom. Connection between the two is made by inserting a connector into a connector holder in a position whereby the connector makes contact with both the contact section and the contact portion, thereby completing the circuit. It is preferable that the contact portion and contact section, as well as the terminals in the connector be parallel to each other and to the insertion direction of the connector into the connector holder. This provides a simple construction, minimizes the number of parts, and enables easy and smooth assembly.

Abstract: A resilient, curved switch terminal is elastically flexed when deflected by a connector pin inserted into a coaxial connector. The switch terminal is sufficiently long to provide a broad range of resiliency that accommodates plug pins of various dimensional tolerances. The switch terminal contacts a fixed terminal in a normally closed contact position. A connector pin in a mating connector opens the normally closed contact while making a new contact through the connector pin. The terminals are long enough to prevent solder flux from flowing to contacting portions. Solder flux residue is avoided on contacting portions and a more reliable contact is obtained. The portion of the switch terminal that contacts the plug pin is slanted to prevent accumulation of any contaminants such as dust or plating residue that enters the coaxial connector. The slanted contact portion also facilitates assembly of the coaxial connector switch.

Abstract: A multi-plug insert has a first part which provides a first number of contact inserts. A second part includes a second multiple number of connecting contacts relative to the first number. Each contact insert in the first part is permanently conductively connected to the multiple number of connecting contacts in the second part. The second part, between each two adjoining sets of multiple members of connecting contacts each permanently conductively connected to a contact insert in the first part is provided with an aperture into which it is possible to clamp a contact bridge. The contact bridge establishes a conducting connection between the two adjoining sets of multiple number of connecting contacts with all the connecting contacts remaining accessible.

Abstract: A surface mount electronic device, attachable to a circuit board, comprises an insulating substrate having a top surface and a bottom surface; a plurality of metallized terminal pads on the bottom surface; and a plurality of leads, each attached to one of the terminal pads by a solder column. Each of the leads comprises a first substantially horizontal lead portion attached to one of the terminal pads by the solder column. A plurality of upturned prongs on the first substantially horizontal lead portion forms a pronged area configured to hold the solder column. A second substantially horizontal lead portion terminates in a free end for attachment to the circuit board. An upwardly curved intermediate lead portion connects the first and second substantially horizontal portions and underlies the bottom surface of the substrate.

Abstract: When a short-circuit terminal 4 is inserted into a 22, a first engaging projection 46 formed in the terminal 4 is engaged with an engaging member 24, thereby realizing first engagement. Thereafter, when a retainer 5 is pressed to its main locking position, a second engaging projection 48 of the terminal 4 is engaged with the rear edge of guide surfaces 55, thereby realizing second engagement. The terminal 4 can be securely locked in the cavity 22 by the two engaging mechanisms. At the same time, supply terminals 3 are also doubly locked in cavities 21.

Abstract: A plurality of electrostatic discharge protection devices are disclosed for use with semiconductor chip packaging such as surface mount chip packages wherein the electrostatic discharge protection devices have shorting arms that extend outward from the electrostatic discharge protection device to make contact with connector pins on the semiconductor chip package such that an electrical connection is made between all of the connector pins of the semiconductor chip package thereby creating a short circuit across the connector pins of the semiconductor chip package to protect the semiconductor chip package from electrostatic discharge. In one embodiment, the electrostatic discharge protection device automatically withdraws the shorting connection upon insertion of the semiconductor chip package onto a printed circuit board. In other embodiments the electrostatic discharge protection device is manually operated to remove the short upon mechanical movement of the device.

Abstract: An electronic circuit is implemented on a substrate on an electrically conductive bottom plate fixed into an electromagnetic shield box. A coaxial socket is fixed to an outside wall of the shield box, the core of the socket being inserted in a hole in the wall in order to be connected to the electronic circuit. The socket has a grounding surface facing the wall. The grounding contact between the socket and the bottom plate is made by way of an electrically conductive ring coaxial with the core, insulated from the core and simultaneously in electrical contact with the grounding surface of the socket and the bottom plate when the socket is fixed to the wall of the box.

Abstract: Solving the problem of breakage of beryllium, copper contacts by applying heat shock to a condition just short of visible oxidation and then promptly water quenching is disclosed. After being so treated, the contacts are then processed in the traditional way which normally anticipates an acid rinse, and subsequent plating. The product of the process can be definitely identified by bending. If not annealed, it will break by bending more than 45.degree.. If annealed properly in accordance with the process of the invention, it will withstand three or four bends to 90.degree. before breakage. Where a compliance section exists in the contact, it is important that it be in the zone of applying the heat shock so that after the heat shock annealing process is concluded, the compliance section will behave like a softer material.

Abstract: An electrical connector 10 is disclosed having a shorting switch 30 that shorts connector contacts 14 together when the mating connector 90 is separated therefrom and breaks the short when the mating connector 90 is mated thereto. The shorting switch 30 includes a shank 32 that is secured in an opening 24 in the base 16 of the connector housing 12. A first beam 38 extends upwardly from the shank 32 at an angle thereto and terminates in a radiused end 40 on one side of the centerline 37 of the shank 32. A second beam 42 extends from the radiused end 40 and terminates in a bifurcated contact end 50,52 on the other side of the shank centerline 37. The second beam 42 includes a knee 48 which is engaged by the mating connector housing 92 for camming the contact end 50,52 out of shorting engagement with the connector contacts 14 in such a way that the contact end 50,52 remains spaced from the mating housing 92.

Abstract: A joint connector having a connector housing and containing electrical wires having terminals on their distal ends. Some terminals are electrically coupled to each other through a shorting plate. There are two groups of chambers accommodating terminals, one group over the other, with a joint chamber between. Apertures in at least some of each group of chambers are in communication with the joint chamber and the shorting plate is in the joint chamber facing the apertures. The chambers have open ends, into which terminals are introduced, and closed ends remote therefrom. Some of each group of chambers have open ends facing front and some of each group of chambers have open ends facing back. Certain of the terminals have tongue pieces which project through the apertures into the joint chamber when they are in the chambers.

Abstract: An electrical connector assembly comprises a header having a plurality of pins, the pin header being interconnectable with a receptacle header having a plurality of receptacle contacts. A selected pair of adjacent passageways has a space between the adjacent passageways and these selected passageways contain shunting terminals positioned therein. The shunting contacts include opposed contact portions for making contact with the pins and have laterally extending shunt contact portions receivable in the space and which is profiled for making contact with a like shunt contact in the adjacent cavity.

Abstract: A shunt connector provides for electrical connection of a pair of adjacent terminal pins inserted into a housing. A spring contact having a convex bowed body portion extends into a cavity in the housing where the pins are inserted. The terminal pins are inserted into the housing along an axis which is substantially transverse to the longitudinal axis of the spring contact. The spring contact is resilient such that the body engages the terminal pins and pressure engagement is maintained between the spring body and the pins which ensures that a proper electrical connection is made. The spring contact comprises a conducting material such that the pins are shorted upon contacting the spring.

Abstract: A joint connector having a housing with a plurality of chambers formed by partitioning the interior thereof in each of which a female terminal is located. One or more shorting plates, each of which has a coupling portion and a plurality of contact portion adjacent the coupling portion, are in contact with the female terminal, thereby forming a branched circuit. The side walls of the chambers have resilient locking fingers with a lock projection which engages an aperture in the female terminal. The side walls have slanted portions on their outer faces which inclines and extends outwardly from the end face opposite the distal end of the locking finger to the outer face.

Abstract: The fully programmable DIN connectors constructed in accordance with the present invention have housing bodies comprised of a plurality of like cells that are each capable of receiving shorting clips and that, when shorting clips are selectively received therewithin, enable the same housing body to be programmed to satisfy the requirements of all possible applications. The shorting clips are preferably top loadable into the housing body, plural sockets are preferably bottom loadable therewithin and a top cover is attached to the fully programmable housing body.

Abstract: A fully programmable connector is provided in which selected ones of the connector contacts can be electrically shorted within the same connector housing body. The housing body includes a plurality of identical cells each containing an electrical contact and each configured to contain a shorting clip. One or more shorting clips are retained in intended cells of the housing body to short circuit the corresponding contacts.

Abstract: A fully programmable connector is provided in which selected ones of the connector contacts can be electrically shorted within the same connector housing body. The housing body includes a plurality of identical cells each containing an electrical contact and each configured to contain a shorting clip. One or more shorting clips are retained in intended cells of the housing body to short circuit the corresponding contacts.

Abstract: The fully programmable DIN connectors constructed in accordance with the present invention have housing bodies comprised of a plurality of like cells that are each capable of receiving shorting clips and that, when shorting clips are selectively received therewithin, enable the same housing body to be programmed to satisfy the requirements of all possible applications. The shorting clips are preferably top loadable into the housing body, plural sockets are preferably bottom loadable therewithin and a top cover is attached to the fully programmable housing body.

Abstract: A unitary jack assembly to facilitate monitoring, testing, maintenance, and installation of audio and visual systems as well as telecommunication systems which utilize coaxial cables for signal transmission. The jack assembly comprises a unitary housing having two coaxial jacks extending outwardly from the front thereof which are electrically connected to two corresponding coaxial connectors extending outwardly from the rear of the housing. A third coaxial jack extends outwardly from the front of the housing and is electrically connected to one of the other two coaxial jacks. A switch is carried within the jack assembly housing and is normally electrically connected to the first and second coaxial jacks and is further adapted to ground the signal in one of the jacks when the other jack has an electrical plug inserted therein.

Abstract: An electrostatic discharge-safe connector comprising mating male and female connectors, that includes an insulated connector pin and a shorting member comprising an electromagnetic interference (EMI) sandwich structure that shorts the connector pin to the body of the connector when the mating portions are unmated. The EMI sandwich structure comprises an EMI gasket material sandwiched between two layers of insulating material. The EMI gasket material has a bulk resistivity of less than 10 ohms per square. When the male connector is inserted into the female connector, the EMI sandwich structure moves away from the conducting portion of the connector pin and rides against the insulating sleeve that surrounds the connector pin. This prevents conduction of electrical charge to the pin from the shell or vice versa. The present connector thus provides protection against electrostatic discharge.

Abstract: A runner (20) for mechanical assembly between two miniature molded cases (10,11) performs at the same time the electrical connection of the control circuits of the two cases (10,11). For this purpose, contact pads (27) are arranged in the bottom of the slide (19) in which the runner (20) slides, the runner (20) bearing a contact bridge cooperating with contact pods (27).

Abstract: An elongate electrical conductor (2) is disclosed that is adapted for electrically connecting with an electrical contact, the conductor (2) includes a longitudinally extending elongate body (61) for defining a first contact surface (62); and a plurality of longitudinally spaced apart ribs (66) that extend from the body (61) to respective free ends (67) that are spaced apart from the first contact surface (62) for allowing the contact to be progressed between the body (61) and one or more of the ribs (66), each rib (66) including a respective second contact surface (68) that is opposed with the first surface (62) wherein, upon progression of the contact between the body (61) and the one or more ribs (66), the first surface (62) and the respective one or more second surfaces (68) are resiliently biased into engagement with the contact.