Abstract: The present invention relates to a piston pump. A piston with at least one transverse bore and a longitudinal blind bore, has a plate element with an opening, arranged on the piston at an opening of the longitudinal blind bore. The invention includes an inlet valve, an outlet valve, and a pressure chamber arranged between the inlet valve and the outlet valve. The inlet valve has a pretensioning element, a closing element, and a sealing seat, which sealing seat is built on the plate element.

Abstract: In order to make a displacement type compressor be able to reliably start without increasing an outside diameter dimension of the compressor while using a self-start synchronous motor having high energy efficiency, the displacement type compressor according to the invention includes the self-start synchronous motor which starts as an induction-motor and performs synchronous operation by performing synchronization pull-in almost at a synchronous rotational frequency, a compression part having a compression chamber which compresses a working fluid, and a hermetic container which houses the self-start synchronous motor and the compression part. The displacement type compressor is provided with a start load reducing means which reduces a load of the compression part at startup and is placed at the compression part in the hermetic container.

Abstract: A rotation-preventing member has an annular main body, first keys, and second keys. The first keys face one another across a main body axis, and extend to one side along an axial direction of the main body. The first keys have first surfaces that include the axial direction and a radial direction of the main body. The second keys face one another across an imaginary surface being parallel to the first surfaces and including the axis, and the second keys extend to the same side as the first keys extend to or the side opposite to the first keys along the axial direction. The second keys also have third surfaces orthogonal to the first surfaces and including the axial direction. Of the first keys and second keys, at least the first keys are provided with recesses that open onto end surfaces on the side toward which the keys extend.

Abstract: A pumping unit having a pump chamber with a rotor mounted in a rotatable manner within the chamber. The pumping chamber is formed by a circumferential wall and two end walls. The circumferential wall is formed on an annular collar of a pump part and has on its inner surface a track on which sealing bodies of a rotor roll. To avoid deformation of the pump part by hydraulic forces or by pressing-in forces, ribs are arranged on the outer surface of the circumferential wall which extend away from the pump chamber. A shoulder is arranged on the side of the end wall which is directed away from the pump chamber. The shoulder is connected by a press fit to the pump housing and has thin walls so that pressing forces do not result in any deformation to the end wall of the pump chamber.

Abstract: A system for forming a spun bond nonwoven web from extruded polymer filaments includes a spinneret including a plurality of orifices to extrude a plurality of continuous polymeric filaments, and a pressure quench chamber including a top located proximate and below the spinneret and bounded peripherally by surfaces. The quench chamber includes an ingress opening extending substantially across the width of a top of the quench chamber to receive filaments from the spinneret and a chamber exit nozzle extending substantially across the width of a bottom of the quench chamber.

Abstract: An apparatus for scattering fibrous material, e.g., chips, the apparatus serving to spread chips using either a throw or air-jet spreading method to form a mat (3) of chips onto a moving band conveyor (4) or the like, whereby the scattering process avails a gas flow, such as air flow, for instance. The apparatus includes a scattering chamber mounted above the band conveyor or the like. In order to prevent lateral turbulence, the volume of the scattering chamber's length wherein the major portion of the material being scattered falls onto the band conveyor or the like is at least partially divided into smaller subspaces adjacent to each other in the cross-machine direction by substantially thin plate-like elements (9) set apart from each other in a cross-machine direction at a spacing substantially larger than the particle size of the material being scattered.

Abstract: The polymer processing machine, is an injection molding machine, which has at least two electrical consumers (1, 2, 3, 4). At least one of the electrical consumers (1, 2, 3) is also designed as a generator for the conversion of kinetic energy into electrical energy. The machine is connected for its supply with electrical energy with an electrical alternating current network (5). To increase the energy efficiency of the machine, the electrical network (5) is connected to a direct current intermediate circuit (7) via a rectifier (6). At least a part of the electrical consumers (1, 2, 3, 4) are electrically connected to the direct current intermediate circuit (7) and are powered from the direct current intermediate circuit (7) with electrical energy. At least a part of the electrical consumers (1, 2, 3) which are designed as generator operation are electrically connected to the direct current intermediate circuit (7) for supplying it with generated electrical energy.

Abstract: A screw is moved along an axis by a screw advancement-retraction mechanism. A screw rotation mechanism is supported for movement along the axis by a pair of supporting members, each includes a rail for use as a guide member. The supporting members are arranged individually along tie-bars for use as lateral members and extend parallel to the tie-bars. One longitudinal end portion of each supporting member is secured to a frame of an injection unit by a fixing portion including a fixing member. The other end portion of the supporting member is supported on each tie-bar by a movable portion including a sliding member. The sliding member is movable along an axis of the tie-bar. With this arrangement, deformation, if any, of the tie-bar is prevented from affecting the rail, so that the screw rotation mechanism and the screw can move steadily.

Abstract: An exemplary mold includes a core plate receiving a core insert, a cavity plate receiving a cavity insert, and an ejection mechanism for ejecting the core insert. The core insert defines a first molding surface, and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism includes a top plate, a bottom plate, and an ejection member fixed to the top plate. The ejection member includes an ejection rod and an ejection head. The ejection rod includes a first rod, and a first engaging body forming a protrusion facing toward the first rod. The ejection head includes a second rod, a second engaging body defining a recess facing toward the second rod, and an ejection portion engaged with the core insert. The protrusion is movably engaged in the recess, so that if the ejection rod goes off-axis, the core insert can stay on-axis.

Abstract: A low-cost crimping tool is provided for crimping non-metallic tubing such as PEX tubing connections. The tool includes two primary pieces which fit together forming an integral pivot without being pinned together about which the tool may be closed with pliers to form a secure tubing connection.

Abstract: The invention relates to manufacturing thermoplastic material containers (2) with a petaloid bottom (4) by drawing-blowing hot preforms (16) in a blowing mold that has a petaloid mold bottom (1) including radiating ridges (13) alternating with cavities (11) that are adapted to form the valleys (7) and the feet (5), respectively, of the container bottom; during drawing, heat losses are reduced in longitudinal zones (19) of the end part (20) of the preforms, extending over the bottom (18) and over an axial portion of their body (21), distributed over the periphery of the ends of the preforms facing respective cavities (11) of the mold bottom (1).

Abstract: An apparatus for releasing a part that has an undercut, particularly in an injection molding system. A flange is moveably mounted with respect to a moveable part of an injection mold. A head is moveably mounted with respect to the moveable part. A joint, such as a ball-and-socket joint, is used to connect the head with respect to the flange. The head has a shoulder that contacts a stop which is longitudinally fixed with respect to the moveable part, when the mold is in a closed position. A bias element can be used to normally urge the head in a lateral direction with respect to the moveable part.

Abstract: An injection molding apparatus is disclosed having a single level manifold that utilizes a melt splitter. The manifold defines an inlet and a plurality of outlets with at least one upstream melt channel and a plurality of downstream melt channels that are situated between the inlet and the plurality of outlets. The upstream melt channel branches into the plurality of downstream melt channels with the upstream melt channel and each of the downstream melt channels longitudinally extending in the same plane. The melt splitter is at least partially positioned within the upstream melt channel where the upstream melt channel intersects with the plurality of downstream melt channels. The melt splitter divides a melt flow received from the upstream melt channel into substantially equal volumes and then directs each of the substantially equal volumes into a respective one of the plurality of downstream melt channels.

Abstract: A safety flint lighter is provided that an adult is allowed to easily make an ignition with a single action without allowing a child to easily lean how to ignite a flame. A safety flint lighter has an ignition device using a flint and a sparking file wheel and structured not permitting a child to ignite a flame. An axial hole, rotatably supporting a rotary shaft of a sparking file wheel, is in a form permitting the rotary shaft, at an axis thereof, to directly move between a first position the rotary shaft is normally hold and distant from a tank body, a second position established closer to the tank body than the first position and on an axis of a flint and a third position established oppositely to a nozzle with respect to a straight line connecting between the first position and the second position.

Abstract: In certain embodiments, an apparatus includes a control valve for regulating fuel flow. The apparatus can include a burner and a valve assembly. In some embodiments, the valve assembly includes a housing, which can define a first fuel input for receiving a first fuel from a first fuel source and a second fuel input for receiving a second fuel from a second fuel source. The housing can define a first fuel output for directing fuel toward the control valve, and can define a third fuel input for receiving a portion of either the first fuel or the second fuel from the control valve. The housing can define a first egress flow path and a second egress flow path, each for directing fuel to the burner. In certain embodiments, the apparatus includes a valve body configured to selectively permit fluid communication between the first and second inputs and the output and between the third input and the egress flow paths.

Abstract: Mouthpieces having activated textured surfaces that can be implemented using repetitive movement mechanisms and energy (e.g., electromagnetic radiation) emitting sources are disclosed. The mouthpieces may be used to provide detection, treatment and management of conditions including tooth discoloration and periodontal disease. Implementations can include a low-profile mouthpiece or a mouthpiece covering only front sides of the upper and lower teeth. Other combinations may include full-mouth implementations suitable for simultaneously covering part or all of a patient's upper and lower rows of teeth. The activated textured surfaces may include a surface topography consisting of bristles.

Abstract: Implant (1) with a base body having at least one bone contact surface (K) and at least one soft tissue contact surface (W), characterized in that the soft tissue contact surface (W) and/or a transition area (U) from bone contact surface (K) to soft tissue contact surface (W) have/has at least partially a ceramic coating (2), and in that the bone contact surface (K) has areas not provided with a ceramic coating (2).

Abstract: A dental implant for mounting prosthetic devices such as crowns, having a shaft having an external end adapted for receiving a prosthetic device, a foot attached to an opposing end of the shaft, the foot and shaft being generally orthogonal and the implant foot having a circular outline over an arc ? with two long substantially linear sides enclosing an angle ?, the linear sides being disposed substantially symmetrically with respect to the shaft.

Abstract: The present invention relates to a simulator comprising at least one projector arranged to project an image, and a non-spherical, generally continuous, dome-like projection surface on which the image is displayed.

Abstract: The present invention is a pre-construction sample that is made of a flexible material and has a product image corresponding to an actual construction product. The pre-construction sample is preferably at least 18 inches in one dimension. The pre-construction sample is preferably produced by a printing process having at least 200 dpi. Kits of pre-construction samples are provided to assist the consumer choosing from among various construction products.

Abstract: A tactile identification and classification system including a tab having an adhesive layer, a first field on the tab having at least one first projection, in which the first field defines a main category of items. Also included is a second field on the tab having at least one second projection. Further, the at least one second projection differs from the at least one first projection in shape or size, and the second field defines a sub category of items corresponding to the main category of items.

Abstract: The invention relates to a method for the simulation or digital synthesis of echographic images, characterised by the direct transformation in real time, or quasi real time, of the information contained in a 3D scanographic (or tomodensitometric) medical or veterinary image, without delimitation or segmentation of the bodies or structures contained in the volume of scanographic data, according to at least one two-dimensional observation window which can be modified in real time, or quasi real time, in terms of the dimension, position, directions and orientation thereof, the characteristics thereof depending on the type of virtual echographic probe determined, and reproducing all of the attenuation, reflection, refraction and dispersion effects, and the regulation effects of a real echographic image, each echographic image supplied cumulating the results of the simulations of the pre-cited effects.

Abstract: Embodiments of the present invention are directed to a system and method for generating a simulated pulse to be used in combination with a patient monitor. In many embodiments, a pulse is simulated by displacing a volume in a pressurized system. For instance, in one embodiment, the volume in the pressurized system is displaced by rotating a first end of a tube relative to a second end that is held stationary. A portion of the tube collapses due to the twisting causing the volume in the system to decrease. The first end of the tube may be rotated back to its original position causing the volume in the system to return to its original state. This change in volume simulates a pulse.

Abstract: A probe connector adapted for electrically interconnecting with a mated connector which has two portions thereof provided with different magnetism selected from a south magnetic pole and a north magnetic pole respectively, includes an insulating housing, a plurality of probe pins and a foolproof mechanism. The insulating housing defines a plurality of inserting holes penetrating therethrough for receiving the probe pins. The foolproof mechanism is made of magnetic material and includes an upper cover and a lower cover which have different magnetism selected from a north magnetic pole and a south magnetic pole respectively. The upper cover and the lower cover are mounted to two opposite sides of the insulating housing. The probe connector can be interconnected with the mated connector based on principles of homopolar repulsion and heteropolar attraction between the upper cover and the lower cover and the two portions of the mated connector.

Abstract: A socket assembly includes a light emitting diode (LED) package having an LED printed circuit board (PCB) with an LED mounted thereto. The LED package has a power contact configured to receive power from a power source to power the LED. The socket assembly also includes a socket housing having a receptacle that removably receives the LED package. The socket housing has a securing feature engaging the LED PCB to secure the LED PCB within the receptacle, where the securing feature is configured to release the LED PCB to remove the LED PCB from the receptacle. Optionally, the socket housing may include mounting features configured to mount the socket housing to a base, where the LED package is removable from the socket housing while the socket housing remains mounted to the base. A second LED package may be provided, where the LED package is removable from the receptacle and is replaced by the second LED package.

Abstract: A connector of horizontal construction includes at least a pair of first and second halves that are mated together along a common mating line. A plurality of mating blades are supported in a vertical arrangement within a mating portion of the connector. The connector includes two distinct fastenings means for holding the housing halves together. A first fastening means is provided as a horizontal attachment member that extends widthwise in the mating portion in a space between the circuit cards. A second fastening means is provided as an exterior retainer that engages at least part of the outer circumference, or perimeter of the connector.

Abstract: A connector shell to be mounted on a board includes a shell body and a mounting piece. In the shell body, a plug inserting space is defined. The mounting piece is integral with the shell body, and is extended from the shell body through the board to be fixed to the board by soldering. A sectional area reducing part is provided in the mounting piece between the shell body and a distal end part of the mounting piece. The sectional area reducing part has a sectional area smaller than a sectional area at the distal end part, and is disposed so as to face the plug inserting space.

Abstract: A swivel-type computer peripheral device includes a housing and a swivel rack assembly that swivels relative to the housing between a retracted position, in which a PCBA having a plug connector mounted on the swivel rack assembly is disposed inside the housing, and a deployed position, in which the swivel rack assembly is rotated outside of the housing such that the plug connector is positioned for insertion into a host computer socket. A torsion spring is connected between the housing and the swivel rack assembly and arranged to bias the swivel rack assembly either into the deployed position or into the retracted position. A locking mechanism controlled by a push button or another actuating mechanism is used to selectively lock the swinging rack in a retracted position and a deployed position.

Abstract: A signal transmission device is provided. The signal transmission device comprises a linked unit, a switch button, a data connector and a lock fastener. The linked unit includes a first shaft, a second shaft, a first elastomer and a second elastomer. The switch button is attached/disposed on the linked unit. The data connector rotates and expands according to the first shaft and the first elastomer. The lock fastener rotates and moves according to the second shaft and the second elastomer.

Abstract: An adapter apparatus includes a main body, two conductive head portions, and two covers. The main body includes a first end and a second end opposite to the first end. The conductive head portions are electrically connected to each other, and pivotably mounted to the first and second ends, respectively, to pivot between first positions where the covers cover the corresponding head portions, and second positions where the covers are latched to the main body to expose the corresponding head portions.

Abstract: A docking cradle for a portable electronic device has a floating connector assembly which isolates a portable electronic device connected to the connector assembly from at least some of the shock, vibration or other motion imposed on the rest of the docking cradle. The connector assembly is positioned above a base frame and comprises a platform, a device interface on the platform, a device securing mechanism connected to the platform and connectable to the portable electronic device to physically secure the portable electronic device to the connector assembly; and at least one connector assembly spring connecting the connector assembly to the base frame such that the connector assembly is movable laterally relative to the base frame.

Abstract: A connector assembly includes a connector having a connector housing including a flange and a mating end. The flange has a flange surface. The mating end has an opening extending therethrough. A flange seal extends along the flange surface. A mating end seal extends around the mating end of the connector housing. The connector housing is configured to couple to a panel so that a flange side of the panel is positioned adjacent the flange surface of the connector housing. The mating end of the connector housing is configured to extend through an opening formed in the panel. The flange seal is configured to be positioned between the flange surface of the connector housing and the flange side of the panel. The mating end seal is configured to be positioned between the panel and the mating end of the connector housing to seal the opening of the panel.

Abstract: The present relates to an electrical connector system which includes a first connector assembly having a first connector and a second connector to be coupled one to the other; a second connector assembly having a third connector and a housing contiguous to the first connector, the housing having an open connecting face for receiving within a complementary part of the third connector so as to perform a coupling one to the other. This connector system may include a movable element which is movable between two positions, i.e.: a “first position” in which it masks at least partially the open connecting face, so that it makes impossible the coupling with the third connector; a “second position” in which it does not mask the front open connecting face, so that it makes possible the coupling with the third connector; the movable element being able to be moved into the “second position” only when said first and second connectors are fully coupled together.

Abstract: A cord assembly for an electronic device includes a cord having an insulation layer with a first end and an exterior surface, as well as at least one electrical conductor extending within the insulation layer. A strength member also extends within the insulation layer and includes a first end extending beyond the first end of the insulation layer. A securing element couples the first end of the strength member with the first end of the insulation layer along the exterior surface. The strength member is pre-tensioned to carry any additional tensile loads on the cord, at least initially. The cord assembly may also include a strain relief member molded over the first end of the strength member and the securing element.

Abstract: An attachment ring is provided for attaching a shield of an electrical cable to a backshell. The attachment ring includes an annular body including a shape memory material that is heat recoverable. The body is configured to extend at least partially around the shield and a fitting of the backshell to hold the shield on the fitting in contact with the fitting. The body includes a first segment including an end having a connection member. The body also includes a second segment that is discrete from the first segment. The second segment includes an end having a connection feature. The connection feature of the second segment is interlocked with the connection member of the first segment to connect the first and second segments together at the ends such that the first and second segments define at least a portion of a length of the body.

Abstract: A patch panel assembly and a patching module thereof are described. The patch panel assembly includes an outer frame and more than one patching module disposed on the outer frame. The patching module includes a registered jack (RJ) component and an insulation displacement contact (IDC) component which can be combined correspondingly, so that a plurality of RJ jacks and a plurality of IDC pins are electrically connected and assembled on the outer frame. The IDC component can further match two specifications of punch down tools to perform compression and wire bonding.

Abstract: A Registered Jack-45 (RJ-45) connector includes a main body, a cable, and a light reflecting member. The cable is electrically connected to a rear end of the main body. The light reflecting member includes a base placed on a rear end of a top of the main body, two slanted light reflecting portions extending up and back from the base, and a fixing portion formed on a rear end of the base, to engage with the cable.

Abstract: The present invention relates to an FPC connector for electrically connecting an FPC to contact portion of a wirings printed on a PCB, and to an FPC connection method using the same, wherein an FPC (10) is inserted into a housing (110) so that the contact portion of the FPC (10) may come in direct contact with a contact portion (2a) of the PCB, and an pressing member pressing the FPC (10) on the PCB so as to directly contact the FPC (10) to the PCB (1).

Abstract: A reel for connecting a cable to the reel and power connections that includes a winding reel housing that has a biasing member and a connection assembly. The assembly is received in the housing and has an insulator with two recesses, a return barrel terminal and a power barrel terminal. One of the insulator recesses receives a return barrel terminal and the other insulator recess receives a power barrel terminal. The return barrel terminal is connected to a return contact, and the power barrel terminal is connected to a power contact. The power contact is connected to a power output member and the return contact is connected to a return output member. The return barrel terminal is rotateable with the return contact while maintaining electrical contact with the return contact and the power barrel terminal is rotateable with the power contact while maintaining electrical contact with the power contact.

Abstract: A connector and printed circuit board assembly includes a printed circuit board, a connector fixed on the printed circuit board, and a fixing board fixed on the connector, the fixing board defining a through hole, a connecting member fixed on the printed circuit board adjacent to the connector, a threaded retainer, and a threaded post securely connected with the connecting member. The threaded post passes through the through hole and seats the threaded retainer to lock the connector onto the printed circuit board.

Abstract: A coaxial cable connector includes an elongated body extending in a longitudinal direction between a mating end and a cable end. The coaxial cable connector also includes a center contact held by the body. A locking member is circumferentially disposed around the body at the mating end. The locking member has teeth configured to mechanically engage a threaded area of a mating connector to securely attach the coaxial cable connector to the mating connector. The locking member is slidably coupled to the body such that the locking member moves with respect to the body along the longitudinal direction to enable the teeth to align with the threaded area along the longitudinal direction.

Abstract: The subject of the invention is a plug for a socket of a connector housing including a sealing front part with a mat-seal equipping the rear of connector housing, and a rear part defining a zone for holding the plug in a rear passage of the connector housing, front part and rear part being connected by a transition zone.

Abstract: A shielding connector has a housing (20) accommodating female terminals (15) connected to electric wires (10). The housing (20) is inserted in a die cast tubular shielding shell (40). An elastic locking piece (34) is provided on the housing (20) and locks an open edge (48) of the shielding shell (40) to prevent removal of the housing (20) that has been mounted properly in the housing (20). A retainer (50) is mounted on the housing (20) from the rear and prevents the elastic locking piece (34) from flexibly displacing in an unlocking direction. An open end (70A) of a braided wire (70) is placed on a mounting groove (46) formed on the shielding shell (40) and is fixed to the mounting groove (46) with a tightening band (60) whose diameter can be decreased with a tool.

Abstract: The invention provides a connector including: a shield case having first and second slots; first and second bodies, inserted into the case and combined in an insertion direction; first and second contacts embedded in the first body at spaced intervals in a width direction; and third and fourth contacts embedded in the second body at spaced intervals in the width direction and at a different height from that of the first and second contacts. The first and third contacts are partly received in the first slot. The second and fourth contacts are partly received in the second slot. The case has a partition to partition an internal space thereof into the first and second slots, and a lock piece provided at a rear portion of the case. The first and second bodies are sandwiched between the partition and the lock piece.

Abstract: The invention provide a connector including a body having an insulating property, a contact provided in the body, a tuboid shield case adapted to receive the body, and a reinforcing member. The shield case includes a bent portion being a portion of the shield case bent inward and extending in an insertion direction of the body, and a depression being provided on a backside of the bent portion and extending in the insertion direction. The reinforcing member is configured to fit in at least a part of the depression.

Abstract: An electrical connector comprising an end portion of a flat circuit device which forms a connectively engaging protrusion on which a plurality of contacting terminals are arranged and a supporting board portion for supporting the connectively engaging protrusion, and first and second conductive shells having respectively first and second plate portions opposite to each other with the supporting board portion between, wherein the first conductive shell is attached to the supporting board portion with the first plate portion thereof covering directly a first surface of the supporting board portion and the second conductive shell is attached also to the supporting board portion with the second plate portion thereof covering directly a second surface opposite to the first surface of the supporting board portion, so as to hold the connectively engaging protrusion supported with the supporting board portion for causing the same to engage with a mating electrical connector.

Abstract: An energy saving apparatus adapted for insertion between the center conductor of a lightbulb, and the center electrical contact of a light bulb socket. The device features an electrical component for varying or decreasing the amount of electrical current reaching the light bulb. The electrical component is situated in a central aperture of a collar and is surrounded by the collar which centers it in position within the light socket between the center conductor and the electrical contact of the socket. The collar has an exterior circumference which may be varied to adapt it to fit within a plurality of different sized light bulb sockets.

Abstract: An interconnection system with capacitors integrated into a printed circuit board footprint of an electrical connector. One end of each capacitor shares a pad on the printed circuit board with a contact tail of a conductive element in a connector. The shared pads are not connected through vias to internal circuit structures. Rather, a via, such as which would conventionally be formed as part of the connector mounting pad, is formed as part of a separate, adjacent pad. A second end of the capacitor is attached to the adjacent pad, forming an electrical connection between the conductive element and the via through the capacitor. Incorporating capacitors into the footprint reduces the number of vias required, which improves signal integrity. The capacitors may be placed on the printed circuit board separately from the connector or may be incorporated into the connector, allowing the connector and capacitors to be placed in one operation.

Abstract: A pluggable connector that includes a connector housing having mating and loading ends and a longitudinal axis extending therebetween. The connector housing includes an insert cavity that opens to the mating end. The pluggable connector also includes a plug insert that is disposed within the insert cavity. The plug insert has an air core that extends in a direction along the longitudinal axis. The pluggable connector also including first and second differential pairs that extend along the longitudinal axis through the plug insert. Each of the first and second differential pairs includes two mating contacts that extend parallel to each other. The air core is located directly between the first and second differential pairs to control the electromagnetic coupling between the first and second differential pairs.

Abstract: A connector has a mating portion matable with a mating connector. The connector is provided with a plurality of contacts and a holder member holding the plurality of contacts arrayed in a pitch direction. The mating portion has an upper surface, a lower surface, and a tip potion. Each of the plurality of contacts includes a contacting part and a folded part. The contacting part is exposed on the upper surface of the mating portion. The contacting part extends frontward and has a front end. The front end is exposed on the tip potion of the mating portion. The folded part is folded backward from the front end of the contacting part and has a rear end as an embedment part. The holder member has a plate portion defining an external shape of the mating portion. The embedment part is embedded in the plate portion.