Abstract: A memory card connector adapted for connecting a memory card to a PCB comprises an insulative housing (10) defining a receiving portion for receiving a memory card therein, a plurality of terminals (20) received in the housing, a switch contact (40) received in a front corner portion of the housing, and a metal cover (30) enclosing the housing. The switch contact includes an engaging arm (41) extending opposite to the card insertion direction. The metal cover includes a side plate (35) secured in a side portion of the housing and a flexible beam (38) extending forwardly and inwardly from a front end of the side plate. The flexible beam includes a contact portion (383) spaced from the engaging arm of the switch contact and deflectable upon insertion of the memory card to contact with the engaging arm of the switch contact.

Abstract: An electrical connector includes a female component having one or more receptacles, a first test receptacle, and a second test receptacle. The electrical connector also includes a male component having one or more terminals configured to engage the one or more receptacles, a first test pin configured to engage the first test receptacle, and a second test pin configured to engage the second test receptacle. The first test receptacle is electrically connected to the second test receptacle, and at least one of the first test pin and the second test pin is shorter in length than the one or more terminals.

Abstract: A connector system for coupling electrosurgical instruments to electrosurgical generators is provided. The connector system includes a plug portion connectable to an electrosurgical instrument, the plug portion of the electrosurgical instrument having a shape specific to a particular manufacturer; and a plug receptacle portion supported on the electrosurgical generator; the plug receptacle portion being shaped to receive the plug portion of the electrosurgical instrument of the particular manufacturer and the plug portion of the electrosurgical instrument of any other manufacturer.

Abstract: A memory card connector mountable onto a PCB for connecting a memory card includes a housing and a shell covering the housing to define a receiving room for receiving the memory card. The shell has two opposite sides electronically connecting to the PCB and a shell-conductive portion formed and bent inward from one side of the shell. A plurality of terminals is contained in the housing and has contacting portions extending into the receiving room for engagement with the memory card. A detecting terminal disposed in one side of the housing has a resilient contact arm disposed behind the contacting portions and a terminal-conductive portion extending toward the shell-conductive portion. The resilient contact arm is deflectable by the fully inserted memory card, which drives the terminal-conductive portion to electronically contact the shell-conductive portion, thereby detecting full insertion of the memory card.

Abstract: A plug detecting device comprises a circuit board, a signal processing unit, a connector, and a metal piece. The signal processing unit is installed on the circuit board. The connector is installed on the circuit board and electronically connected to the signal processing unit for connecting a plug having a metal outer ring with a first potential. The metal piece with a corresponding potential is electronically connected the signal processing unit and installed in the proximity of the connector. While the plug is plugged into the connector, the metal outer ring contacts the metal piece making the metal piece from the corresponding potential to the first potential, and that the signal processing unit confirms the plug has been plugged into the connector, so as to transmit or receive signals.

Abstract: A connector apparatus has a first connector, a second connector to be mated with and unmated from the first connector, and a mating detecting member for detecting a mated state and an unmated state of the first and the second connectors. The first connector has a lock lever to be engaged with the second connector. The mating detecting member has a detecting portion for detecting the mated and the unmated states, a holding portion for locking the mating detecting member at a standby position, and an operating portion for locking the mating detecting member at an assurance position. The detecting portion has a locking portion to be engaged with the lock lever. The holding portion is displaced in a direction different from the mating and the unmating directions to be engaged with the first connector.

Abstract: A wire harness connector in which at least one guide, the upper surface of which is inclined such that the upper surface becomes higher from the front end of the guide to the rear end of the guide, is formed on the side surface of a central portion of a locking member, and at least one sliding wall for gradually pressing the guide as the interconnection between a plug housing and a cap housing progresses is formed on the cap housing at a position corresponding to the position of the guide. Even when the locking member is not completely assembled with the plug housing due to worker carelessness, the cap housing is easily connected to the locking member by the sliding of the guide along the sliding wall, and the locking member is seated in the plug housing at a correct position simultaneously with the connection so that the secondary fixation of terminals by the locking member is completely performed.

Abstract: A plug-connection verification system for detecting a properly made electrical plug connection. A detection device is provided which includes an analyzer unit and a data transmission device, the analyzer unit being designed to detect the position of the locking element and the data transmission device being designed to transmit the determined position of the locking element.

Abstract: A modular jack connector (100) includes a housing (1) defining an inner space (10). A partition (11) is formed within the space. The partition forms with a plurality of fingers (12) and defines a plurality of slots (13) between two adjacent fingers. A plurality of contacts (321, 331) assembled to the housing. Each contact includes a contact engaging portion (3212, 3312) extending through the slots. At least one of the fingers and the contact engaging portions includes a reduced-dimension-portion such that clearance between the contact engaging portion and the slot is increased.

Abstract: A slider (41) surrounds a female housing (30) and can move forward and backward thereon. Springs (46) are provided compressibly between the slider (41) and the female housing (30). A male housing (10) has a receptacle (11) for receiving the female housing (30) and the slider (41). The male housing (10) also has a lock arm (20) engageable with a lock (37) of the female housing (30). The lock arm (20) can interfere with the slider (41) upon being resiliently displaced, but does not interfere with the slider (41) upon being restored. Pushable portions (51) are provided at symmetrical positions on the female housing (30) and are pushable during a connecting operation. The slider (41) has escape grooves (52) for receiving the pushable portions (51).

Abstract: A connector housing for receiving a memory card, the housing comprising at least a bottom part and a cover part which is arranged to be movable in relation to the bottom part and which, in turn, comprises at least a shield part and at least one grounding contact which is arranged to connect the shield part to the ground level of the device, at least when the cover part is closed. The connector housing also comprises at least one signal contact which is arranged to be coupled via the shield part, when the cover part is in the open position. Furthermore, the invention relates to a device comprising a connector housing for a memory card, as well as a method for anticipating the removal of a memory card in the connector housing.

Abstract: A male housing (60) has a receptacle (61) for receiving a mating female housing (20) and cavities (63) for receiving male terminal fittings (50). A retainer (70) is mounted in the male housing (60) and locks the male terminal fittings (50) when the retainer (70) reaches a full locking position. The retainer (70) has a detector (74). The detector (74) is in a fitting space (64) of the receptacle (61) for the female housing (20) when the retainer (70) is at a position before the full locking position, and interferes with a rib (24) of the female housing (20) to prevent a connecting operation. On the other hand, the detector (74) is outside the fitting space (64) when the retainer (70) is at the full locking position thereby avoiding the interference with the rib (24) of the female housing (20) to permit connection.

Abstract: Upon fitting a female housing (10) into a receptacle (44) of a male housing (40), metallic lock portions (42) are hidden behind receiving portions (12) when viewed from the front side of the receptacle (44) at an initial stage. When the lock portions (42) move over the receiving portions (12) while being resiliently deformed as this fitting operation progresses, the lock portions (42) are engaged with the receiving portions (12) and can be visually confirmed from the front side of the receptacle (44). Thus, the properly connected state of the two housings (10, 40) can be detected by visually confirming the lock portions (42) from the front side of the receptacle (44).

Abstract: A housing assembly for a pair of electric connectors includes a first housing with a lock arm to lock the first housing inserted into a second housing, and a reinforcing member held by the first housing. The reinforcing member can be pushed into the first housing only when the first housing and the second housing are completely properly fitted together. The coupling strength between the housings is enhanced by the coupling strength of the reinforcing member, and the operator can easily and properly judge the proper fitting of the housings on the basis that the reinforcing member can be pushed in. As the first housing holds the reinforcing member, the fitting work can be done smoothly and reliably. Both housings can be made slimmer. This assembly allows a single-action fitting wherein the first housing can be fitted in the second housing by pushing only the reinforcing member.

Abstract: An electrical connector includes a body with first and second end sections, a mid-section disposed between the first and second end sections. The mid-section is radially larger than each of the first and second end sections and includes an outer surface. A transition shoulder is disposed between the first end section and the mid-section. The transition shoulder includes a face wall extending between the outer surface of the mid-section and an outer surface of the first end section. A plurality of radial indicator ribs extend from the outer surface of the mid-section. Each of the radial indicator ribs includes an abutment surface laterally offset from the face wall of the transition shoulder to abut or almost abut a portion of a mating electrical connector.

Abstract: To provide a positive indication that a medical lead terminal is properly secured within the longitudinal bore in the header of an implantable medical device there is provided a force sensor (strain gauge) positioned within the device's lead receiving bore and cooperating with the lock mechanism to provide an indication of the amount of force being exerted on the lead terminal to retain it in place. The force sensor provides an output signal through the device's feedthrough wires to the electronic circuit contained within a hermetically sealed housing and is compared by a microprocessor to preprogrammed values. The results of the comparison may then be telemetered to an external programmer device for analysis by a physician.

Abstract: A technique for identifying the location of electrical components, such as memory cartridges which have been disposed on a substrate. More specifically, a connector configured to be coupled to a first substrate and configured to receive a second substrate, wherein the connector includes an identification device uniquely configured to provide location information and to electrically couple a plurality of location identification signals to the second substrate, the electrical signals being received from traces on the first substrate.

Abstract: When a latch element is inserted in an opening of a first connector element, a cantilevered flexible portion of the latch element is retained in and latchingly engaged with the first connector element at a deflectable end portion of the cantilevered flexible portion. When the second connector element is inserted in and mated with the first connector element, the deflectable end portion of the cantilevered flexible portion is deflected in a direction orthogonal to the insertion/mating direction of the second connector element to force the deflectable end portion of the cantilevered flexible portion to move in the direction orthogonal to an insertion/mating direction, so as to release the retention of the latch element with the first connector element, thereby rendering the latch element movable in an insertion direction thereof.

Abstract: A second housing (20) is formed with an oscillating portion (24) for creating an aerial vibration by the collision with a resiliently restored lock arm (13) and a resonance space (25) for causing the aerial vibration created by the oscillating portion (24) to resonate. When the lock arm (13) is resiliently restored, the aerial vibration created by the oscillating portion (24) upon the collision with the lock arm (13) resonates in the resonance space (25), and a collision sound of the lock arm (13) and the oscillating portion (24) is amplified by this resonance.

Abstract: A parts-half-mounting prevention connection block includes: a block body; a parts-mounting portion provided to the block body, on which a part is adapted to be mounted; and a detection wall having substantially the same height as a height of the part to be mounted, provided to the block body.

Abstract: On a wiring board, an optical connection cable is provided in which a wiring light cord and a conducting wire are laid out in parallel. A primary side port and a secondary side port are optically connected for wiring, and are electrically connected to confirm the connection. When both ports are electrically connected, it is possible to confirm that the primary side port and the secondary side port are connected and a circuit is formed.

Abstract: An improved method and apparatus for identifying individual wires that are connected between a network patch panel and a remote wall jacks is provided. A permanent LED lamp is installed adjacent to each jack in a computer network patch panel that is electrically connected to two terminals of each of the patch jacks. A handset component that produces direct current voltage is plugged into a remote wall jack to be tested, an electrical circuit is completed using the permanent network cabling thereby energizing the LED indicator lamp at the patch panel, providing positive visual confirmation of the patch panel location that corresponds to the wall jack location. The method of the present invention provides for one worker to remain at the patch panel location, as a second worker, using the handset component of the present invention, plugs the device into a wall plug in a remote location, which lights the corresponding LED on the patch panel.

Abstract: A slider (40) is movable forward and back in a male housing (20) and is pushed back as a female housing (10) is connected with the male housing (20). A compression coil spring (S) accumulates a biasing force as the slider (40) is moved back. The male housing (20) has escaping grooves (37) for receiving locking projections (47) of the slider (40) and receiving portions (38) engageable with the locking projections (47) to prevent the slider (40) from coming out. Each locking projection (47) has a guiding surface (48a) for guiding the locking projection (47) over the receiving portion (38) when the slider (40) is assembled, and a restriction (49) for engaging an upper edge (37a) of the escaping groove (37) and restricting upward displacement of the slider (40). The restricting portions (49) bulge out more than the guiding surface (48a).

Abstract: A security device mounted on a support including a housing with a removable section and a base section. A terminal assembly having first and second terminals is disposed on a detachable portion of the housing that is directly mounted to the support. A printed circuit board and a pin assembly having first and second pins is mounted in the removable housing section. Attaching the removable housing section to the device inserts the first and second pins into the first and second terminals respectively. A conductive material provides electrical communication between the first and second pins whereby a tamper detection circuit can be defined between the first and second terminals. Disengagement of one of the first and second pins from its respective terminal opens the tamper detection circuit. Detachment of the removable housing section disengages the pins from the terminals thereby opening the tamper detection circuit.

Abstract: A male housing (70) has a receptacle (71) for receiving a female housing (20). An introducing surface (77) is formed around the inner front edge of the receptacle (71). A retainer (40) for locking female terminal fittings has an interfering portion (49) that interferes with the receptacle (71) when the retainer (40) is at an incomplete mount position IMP. The interfering portion (49) has a guiding surface (50) for guiding the interfering portion (49) into the receptacle (71) when the retainer (40) is a full locking position. The interfering portion (49) has contact surfaces (57) and the inner front edge of the receptacle (71) has receiving surfaces (79) at positions corresponding to the contact surfaces (57) and backward from the introducing surface (77). The receiving surfaces (79) can achieve surface contact with the contact surfaces (57).

Abstract: The invention refers to a new type of device for an electronic monitoring system, especially for a video monitoring system, with a casing and with at least one connection field containing a plurality of single connections on one casing side. The connection field is provided on a removable segment.

Abstract: A connector includes an insulator having contact receiving portions and a retainer receiving portion that communicate with each other. The connector further includes conductive contacts inserted into the contact receiving portions from a first direction, respectively. The connector further includes a retainer inserted into the retainer receiving portion from the first direction for preventing the contacts from coming off in a direction opposite to the first direction. The retainer includes a body portion and a pair of elastic pieces each elastically deformable and joined to the body portion. The body portion has a pair of excessive deformation preventing portions each for preventing excessive deformation of the corresponding elastic piece toward the body portion.

Abstract: An elbow terminator has a socket in which an electrical probe is disposed. The terminator is insertable onto an electrical bushing such that a tongue of the bushing is received in the socket of the terminator, and the probe of the terminator is electrically coupled to a contact sleeve disposed within the tongue. A latching mechanism produces positive latching between the tongue and socket when the tongue has been inserted to a predescribed depth within the socket. In order to enable an operator to visually observe that the tongue has been inserted to the prescribed depth, the bushing carries a color band which becomes completely disposed (invisible) in the socket when positive latching occurs. Alternatively, the bushing can be provided with gauge tabs which become aligned with a witness line formed on the terminator when positive latching occurs.

Abstract: A connector assembly includes a housing having a jack interface. The jack interface has a receptacle jack therein, and the receptacle jack is configured to receive a plug. A sensor bezel is removably attachable to the jack interface, and the sensor bezel comprises a cavity extending therethrough to allow passage of a plug when inserted into the receptacle jack. The sensor bezel includes a circuit board proximate the jack cavity. At least one sensor contact is aligned with, and configured to engage, a sensor probe associated with a plug insertable into the receptacle jack. An interchangeable output cassette provides an output signal through the front or the rear of the connector assembly.

Abstract: A housings (20) has a lock arm (30) that engages a mating housing (10) when the housings (10, 20) are connected completely. A cover (40) is mounted slidably on the housing (20) and is pushed rearward as the housings (10, 20) are being connected. The cover (40) is biased forward by springs (45) that have front ends connected releasably to the cover (40). The springs (45) separate the housings (10, 20) if the connecting operation is stopped too soon. However the springs (45) are released from the cover (40) and expand to an unbiased state when the connection is complete.

Abstract: An electrical plug has locking hooks on the ends of flexible arms extending from its housing. An electrical socket has locking receivers on its housing. When the plug is connected with the socket, the locking hooks engage the locking receivers to form a locked connection. A spring-loaded unlocking bail is pivotally arranged on the housing of the socket. Finger pressure applied to the bail against the spring bias pivots the bail so that its bail legs pivot over and press against protrusions of the flexible arms, to inwardly deflect the arms and disengage the locking hooks from the locking receivers, thereby unlocking the arrangement so that the plug can be separated from the socket.

Abstract: The present invention determines and monitors the connection pattern of data ports which are connected by multiconductor cables without requiring special patch cables or patch panels. An adapter jacket having an external contact is placed over a standardized cable such as an RJ45 cable which connects the data ports. An adapter board having a plurality of socket contacts is placed adjacent a plurality of data ports. An output and input module are coupled to the socket contacts. A micro-processor which is coupled to the output and input module scans the socket contacts to determine the connection pattern of the data ports.

Abstract: A plurality of male terminal fittings (17) and a shorting terminal (23) can be accommodated into a male housing (10). The shorting terminal (23) has a main portion (27), resilient contact pieces (28) for contacting the male terminal fittings (17), and pushable pieces (29) to be pushed for inserting the shorting terminal (23) into the male housing (10). The pushable pieces (29) are bent at the main portion (27) such that plate surfaces thereof extend along a pushing direction of the shorting terminal (23). The male housing (10) has receiving portions (30) for receiving the pushable pieces (29) to restrict a depth to which the shorting terminal (23) is pushed.

Abstract: An attempt to fit an improper combination of housings (10, 30) together brings a projection (32R) of the wrong housing (30) into abutting engagement with an interference portion (15) in a fitting recess (12). Abutment surfaces (15a, 32Ra) are inclined in directions to move an inner peripheral surface of the fitting recess (12) towards an outer peripheral surface of the wrong housing (30). Therefore, the fitting recess (12) cannot deform and spread out, and the fitting of the wrong housing (30) cannot proceed by force.

Abstract: A lighting system including at least one electrical load, at least one electrical connector, each electrical connector electrically connected to a corresponding electrical load and an electrical splitter electrically connectable to at least one electrical connector. The electrical splitter having a plurality of receptacles, each receptacle configured to receive a corresponding electrical connector and a plurality of visual indicators, each visual indicator uniquely associated with a corresponding one of the plurality of receptacles, each visual indicator indicating a connection of one electrical connector with the corresponding one of the plurality of receptacles.

Abstract: An accommodating chamber (17) is provided in a male housing (11) for accommodating a shorting terminal (90) that shorts male terminal fittings (70). A retainer mount hole (16) is formed in one side surface of the male housing (11) and communicates with the accommodating chamber (17). The retainer mount hole (16) is configured to permit entry of the shorting terminal (90) into the accommodating chamber (17) laterally along a connecting direction (CD). The accommodating chamber (17) has first and second engaging portions (17A, 17B) for holding a base plate (94) of the shorting terminal (90) while positioning it at its front and rear positions with respect to the connecting direction (CD).

Abstract: A first connector housing has a first flexible arm member formed with a hole. A second connector housing has a projection adapted to be engaged with the hole in a case where the second connector housing is fitted with the first connector housing in a first direction. A fitting detection member is attached with the first connector housing such that the first connector housing is movable in the first direction between a first position and a second position. The fitting detection member has a second flexible arm member adapted to be engaged with the first flexible arm member to retain the first connector housing at the first position. The engagement between the first flexible arm member and the second flexible arm member is released to allow the first connector housing to move to the second position, in a case where the first flexible arm member is flexed when the first connector housing is placed at the first position.

Abstract: An electrical connector including a housing having a deflectable latch; electrical contacts connected to the housing; and a connector position assurance (CPA) member slidably mounted to the housing. The latch has a front end with an inward projecting latch projection. The front end of the latch includes a first rearward facing stop surface and a second forward facing stop surface. The forward facing stop surface is located at a top side of the front end. The first stop surface is adapted to retain the CPA member at an unlocked position. The second stop surface is adapted to retain the CPA member at a locked position at the top side of the front end.

Abstract: A connector system allows for visual determination of mating or engagement of a jack-side connector and a plug-side connector. A jack-side connector has a first securing device and a plug-side connector having a sleeve rotatably coupled thereto. The sleeve has a second securing device that is complementary to the first securing device and an indicator located on an edge of the sleeve. The indicator is contrasted against a characteristic (e.g., color, material, etc.) of a portion (e.g., a washer) of the connector system to provide visual indication that the first securing device is securely engaged with the second securing device.

Abstract: A first connector housing is provided with a flexible lock arm. A tubular fitting detector is fitted to an outer periphery of the first connector housing while being slidable thereon between a first position and a second position. A retainer is provided on the fitting detector, and adapted to be engaged with a first portion of the lock arm in a case where the fitting detector is placed at the first position, and engaged with a second portion of the lock arm in a case where the fitting detector is placed at the second position. A second connector housing is provided with a projection adapted to release the engagement between the retainer and the first portion of the lock arm in a case where the second connector housing is completely fitted with the first connector housing, so that the fitting detector is allowed to slide from the first position to the second position.

Abstract: In a connector, a first housing is provided with a projection, and a second housing is provided with a retainer engaged with the projection. An engagement detector is held in the second housing so as to slidable between a first position and a second position. The retainer retains the engagement detector at the first position such that the engagement detector is slidable to the second position only when the projection and the retainer are completely engaged with each other at a complete engagement position. The engagement detector locks the retainer at the complete engagement position when the engagement detector is placed in the second position.

Abstract: An electrical connector assembly is provided, including a connector position assurance device (CPA) movable between locked and unlocked positions along a longitudinal axis of the CPA. The CPA includes rails. The connector assembly also includes first and second connector housings having mating ends configured to mate with one another. A CPA guide assembly is mounted to at least one of the first and second connector housings. The CPA guide assembly includes CPA guide rails slidably accepting the guide rail of the CPA. The CPA permits engagement and disengagement of the first and second connector housings when in the unlocked position. The CPA prevents disengagement of the first and second connector housings when in the locked position. When the first and second connector housings are disengaged, the CPA can not move to the locked position. The connector assembly further includes a sweeping element mounted to the CPA.

Abstract: A connector apparatus is adapted for determining cable connection status and comprises a first connector. The first connector comprises a plurality of contacts capable of coupling to a corresponding plurality of conductors in a cable, a substrate supporting the plurality of contacts, and an insulator layer encasing at least a portion of the individual contacts of the plurality of contacts and mutually isolating the contacts. The first connector further comprises a shroud enclosing the plurality of contacts, the substrate, and the insulator layer. The shroud is electrically conductive and separated into first and second electrically isolated segments. Each of the first and second segments is electrically connected to respective first and second reference contacts.

Abstract: A connector has an operation unit connector that is fixed on an operation unit, and an electronic equipment main body connector that is fixed on an electronic equipment main body. The operation unit connector has plural terminals at regular intervals aligned in a row. The electronic equipment main body connector has plural electrodes at positions corresponding to the terminals at regular intervals. At least one of the electrodes is formed to be shorter than other electrodes and serves as a detecting electrode. The detecting electrode is disposed at the same upper position as the other electrodes, and shorter on the lower side.

Abstract: Male housings (10, 20) have erroneous connection preventing structures (32, 16), and the connection of the housings (10, 20) is prevented at a preventing position (PP) located before an initial connection position (ICP) if the housings (10, 20) are connected erroneously. When a lever (40) is rotated in this state, push-back surfaces (49) formed at opening edges of cam grooves (44) push cam pins (13) back to separate the two housings (10, 20). Thus, the lever (40) can be prevented from damage.

Abstract: An electrical assembly includes a plurality of electrical modules. Each of the plurality of electrical modules, such as power receptacles of a wall panel system, are sequentially electrically connected to at least one other of the plurality of electrical modules. Each of the plurality of electrical modules include a prior module detection circuit that determines a number of modules being connected and is formed to limit the activation of more than a certain number of such modules.

Abstract: The invention relates to a modular system comprising an electrical base unit (1) with a plurality of slots each for receiving a pluggable electrical unit (2), each pluggable electrical unit (2) being connected to the base unit (1) by means of a multi-pin plug-in connection comprising a plug-in contact device (23) and a mating plug-in contact device (13) and the base unit (1) being provided with signal processing means (12).

Abstract: An electrical connector assembly has first and second connector units which are connectable with each other. One of the connectors has a shell which has a variable number of tabs projecting therefrom. The number and position of the tabs can be selected so that different connectors can be distinguished from each other. A set of switches are mounted on a base adjacent the other connector. The switches are engagable tabs so that the status of the switches represents the number and position of the tabs, thereby generating electrical signals uniquely identifying the connectors.

Abstract: A connector (Fa) has a housing (10) in which terminal fittings (14) are accommodated. A cover (30) can be assembled with the housing 10 to cover the terminal fittings (14). The connector (Fa) also has a detector (35) for detecting whether the housing (10) is connected properly with a mating connector (M) based on whether the detector (35) can be assembled with the housing (10) at a properly assembled position. The housing (10), the cover (30) and the detector (35) are prepared as two units. Thus, assembling operability is better as compared to a case where these three are prepared separate.

Abstract: A split-type connector (10) has a holder (11) and auxiliary connectors (28) that can be mounted in the holder (11). A retainer (34) is mountable in the holder (11) and can be moved from a first position where the auxiliary connectors (28) can be mounted in the holder (11) and a second position where the auxiliary connectors (28) are locked. The retainer (34) has returning slanted surfaces (40) for pushing the retainer (34) from the second position to the first position in the process of mounting auxiliary connectors (28) into the holder (11).