Abstract: A hydraulic pump is disclosed. The hydraulic pump may have a first fluid section (12), a second fluid section (14), and an input shaft (16) extending through the first fluid section and the second fluid section. The input shaft may have a first end (44), a second end (46), and a mid-portion (48) located between the first and second ends. The hydraulic pump may also have a first bearing (30) configured to continuously support the first end of the input shaft, and a second bearing (32) configured to continuously support the second end of the input shaft. The hydraulic pump may further have a third bearing (56) configured to intermittently support the mid-portion (58) of the input shaft.

Abstract: A hydraulic motor or pump (2) that generates a relatively high torque, and further allows an unprecedented high specific displacement that makes the motor suitable yaw motor for large wind turbines of horizontal axis wind turbines or wheel yaw motor on Heavy Carriers. The characteristic by the hydraulic motor or pump (2) is that if the number of barriers in the annular cavity (12) of engine or pump is n then the number of radial displaceable sliders (20) will be larger than (n+1).

Abstract: An apparatus for the shaping of plastics-material containers with a blow mold, wherein the blow mold has at least one first and one second blow-mold part, may include at least one first and one second carrier element for holding the blow-mold parts. The carrier elements are movable relative to one another at least in one plane, in order to be transferred at least from a closed configuration into an opened configuration. In this case the carrier elements each have a receiving area for receiving one blow-mold part in each case, wherein the blow-mold parts in the closed configuration form at least one cavity for the expansion of the containers. The blow-mold parts may be capable of being coupled in a magnetic and releasable manner to each other and/or at least one of the blow-mold parts is capable of being coupled in a magnetic and releasable manner to at least one carrier element.

Abstract: A system for molding a non-pneumatic tire includes a lower mold portion including a lower face plate configured to provide a lower relief corresponding to a first side of the tire. The lower mold portion also includes a plurality of lower projections extending from the lower face plate and configured to correspond to cavities in the first side of the tire, wherein the lower projections taper as the lower projections extend from the lower face plate, and wherein at least some of the lower projections are hollow. The system further includes an upper mold portion configured to be coupled to the lower mold portion. The lower mold portion and the upper mold portion are configured to be coupled to one another, such that a hub associated with the tire provides a seal between the lower mold portion and the upper mold portion.

Abstract: The tire vulcanizer is featured by including a slide back mechanism configured such that the upper metal mold separated and lifted from the lower metal mold installed to be fixed to a base is moved by an operation of a movable carriage so as to reciprocate between a vulcanization position at which the upper metal mold is pressed toward the lower metal mold, and a waiting position at which the green tire can be carried in the lower metal mold and at which the cured tire can be carried out from the lower metal mold, and is featured in that the upper metal mold is attached below, via a squeezing cylinder mechanism, to a beam integrated with a tie rod which is vertically moved by an operation of a lifting/lowering cylinder along a guide hole provided in the movable carriage.

Abstract: The methods and apparatuses for granulating thermoplastic material emerging from nozzles in a perforated plate are provided. The apparatus can have a motor-driven cutter arrangement having at least one blade located opposite the perforated plate. The at least one blade can pass over the nozzles in the perforated plate and cuts pellets of the emerging thermoplastic material.

Abstract: The present invention generally relates to a device for measuring characteristics of polymeric fluids (semi-dilute and concentrated polymer solutions and melts) in extremely strong elongational flows. In one embodiment, the present invention relates to a device for measuring characteristics of polymeric fluids (semi-dilute and concentrated polymer solutions and melts) in extremely strong elongational flows in spinning jets and/or electrified jets. In another embodiment, the present invention relates to a method for determining the elastic modulus and the relaxation time of a polymeric fluid. Also, the present invention enables one to determine and/or measure the primary parameters needed to describe a viscoelastic material.

Abstract: An apparatus to help control the quality of printed three-dimensional objects is provided. The apparatus may include a printing head to print a three-dimensional object and a printing tray having defined surface characteristics serving to control adherence of the object being printed to the printing tray and/or prevent deformations in the printed object.

Abstract: A movable unit in an injection molding machine is started to operate and the current physical quantity and the current time (or current position of the movable unit) are detected. The current physical quantity is stored as a reference physical quantity in association with the elapsed time of operation of the movable unit (or position of the movable unit). A deviation of the current physical quantity from the reference physical quantity is calculated and stored, a distribution index value is then calculated from the physical quantity deviations in the first to n-th cycles, and a threshold value is determined from the distribution index value. When the deviation exceeds the threshold value, alarm processing is performed.

Abstract: Systems and methods for fabricating three-dimensional objects. The system includes an optical imaging system providing a light source; a photosensitive medium adapted to change states upon exposure to a portion of the light source from the optical imaging system; a control system for controlling movement of the optical imaging system, wherein the optical imaging system moves continuously above the photosensitive medium. The method includes moving a maskless optical imaging system providing the light beam in a continuous sequence; presenting the light beam on a portion of the photosensitive medium; lowering a plate upon which the photosensitive medium resides; and applying a new layer of the photosensitive medium.

Abstract: The invention concerns an extruder screw for a screw extruder for plasticizing and/or transporting thermoplastic materials comprising at least one extruder cylinder, a material feed means and at least one extrudate discharge at the end of the extruder cylinder, that is remote from the material feed means. The extruder screw has a screw flight, wherein the extruder screw has at least one intake region and forms at least one transport and mixing region and provided in the transport and mixing region are means for shearing the extrudate. The extruder screw according to the invention is distinguished in that provided as means for shearing the extrudate there is provided at least one shearing land which extends over more than half the length of the extruder screw, over the periphery of the extruder screw, wherein the shearing land is in the nature of a screwthread in opposite relationship to the screw flight.

Abstract: A nano-imprint mold includes a mold body having a first surface provided with a pattern having projections and recesses, a second surface opposite the first surface and a side surface between the first surface and the second surface; and a mold base having a surface for fixing the mold body thereto. In addition, the second surface of the mold body is fixed to a part of the surface of the mold base, the second surface of the mold body being disposed away from at least a part of an edge of the surface of the mold base. Furthermore, the mold body has a shape such that a width thereof in a direction orthogonal to a direction extending from the first surface toward the second surface decreases from the first surface toward the second surface.

Abstract: The equipment consists of a mould (1) with external heating elements (3) and with asymmetric heads (4) at the ends thereof, allowing insertion of the corresponding tubular profile or plastic tube (6) inside the already hot mould (1) at the same temperature as the actual mould (1) in order to prevent any heat exchange. The mould (1) is mounted on a support (2) that can tilt and rotate, while the heads (4) include a vacuum take-off orifice (5), fastening means (7) for the plastic tube (6), which, once inserted into the mould (1) rests on the lower generatrix of the latter, and inlet (8) and outlet (9) means for fluids for expanding the plastic tube (6) and for cooling same, the mould (1) incorporating, on the side, an inlet orifice for a lubricating fluid that facilitates removal of the plastic tube (1) once the latter has been shaped. The tube (6) expands owing to the introduction of the expander fluid through the inlet (8).

Abstract: According to an embodiment, a method of operating an oxy/fuel system and an oxy/fuel system circulate a support gas in the combustion system prior to activating at least one burner, produce the combustion fluid including CO2, wherein a level of the CO2 in the combustion fluid increases as a function of time, and continue production of the combustion fluid to exceed a predetermined level of the CO2 in the combustion fluid, for a period of time, the predetermined level being sufficient to permit the CO2 to be purified by a CO2 purification unit.

Abstract: A method is proposed for regulating a firing device taking into account the temperature and/or the burner load, in particular with a gas burner, comprising the regulation of the temperature (Tactual) produced by the firing device using a characteristic which shows a value range corresponding to a desired temperature (Tdesired) dependent upon a first parameter (mL,VL) corresponding to the burner load (Q), wherein when representing the characteristic, a second parameter, preferably the air ration (?), defined as the ratio of the actually supplied quantity of air to the quantity of air theoretically required for optimal stoichiometric combustion, is constant.

Abstract: A control system for a fuel-fired appliance and methods of operating are disclosed. When a failed ignition of a burner is detected, the control system is configured to enter a soft lockout state if the voltage level of a burner of the fuel-fired appliance is low during the failed ignition and a hard lockout state if the voltage level of the burner is not low during the failed ignition. In some cases, if a period of time has elapsed and/or the voltage level of the burner has increased after the control system enters the soft lockout state, the control system may be configured to initiate one or more subsequent ignition trials. In some cases, if the one or more subsequent ignition trials fail, the control system may be configured to then enter the hard lockout state.

Abstract: An improved pilot burner includes an orifice plate defining a central orifice for metering a supply of gas and a gas tube. The gas tube includes a tube wall and defines a supply opening at a first end. The orifice plate is positioned within the gas tube at the supply opening, and the tube wall is crimped around the orifice plate to secure the orifice plate to the gas tube. The pilot burner also includes a burner tube having a first end for receiving a first end of the gas tube. The burner tube further includes a second end defining a flame opening. In another embodiment, a clip is used to secure the gas tube and the burner tube to a bracket.

Abstract: A method for producing a fuel nozzle is provided. In the method a swirl duct is mounted in an outer jacket surface of a pin and/or in an inner surface of a sleeve and the pin is attached in the sleeve so that the outer jacket surface of the pin is connected to the inner surface wherein the pin is disposed in the sleeve. The outer jacket surface of the pin and/or the inner surface of the sleeve includes at least one-swirl duct. A fuel nozzle and a burner are also further disclosed wherein the burner includes the fuel nozzle.

Abstract: A dental orthodontic apparatus includes a carrier and fastening elements having rear holding and front parts. The carrier includes an elongated carrier piece having two sections and a carrier holding part. The fastening elements are arranged along the sections such that the front part of each element is adjacent a front side of a section, and the rear holding part of each fastening means is adjacent a rear side of the section. Carrier piece material at the rear side of a section is removable by a fabrication tool. The rear holding part of each fastening element is embedded within and completely surrounded by a first section of the carrier piece, and the rear holding part of each fastening element is embedded within and completely surrounded by a second section of the carrier piece.

Abstract: An improved vibrating dental plate that allows differential vibration of one or more teeth to assist in orthodontic remodeling is provided.

Abstract: A self-ligating orthodontic bracket comprising a body and a locking shutter. A mesio-gingival reference plane is defined tangent to a lingual-most point of the archwire slot. The body further includes an occlusal-gingival opening that intersects the reference plane. The locking shutter includes a lingual end located in the opening at a closed lingual location when the locking shutter is in a closed position, and at an open lingual location when the locking shutter is in an open position. The locking shutter further includes a labial end located at a closed labial location when the locking shutter is in the closed position and at an open labial location when the locking shutter is in the open position. A first occlusal-gingival distance from the closed lingual location to the open lingual location is at least about 70% of a second occlusal-gingival distance from the closed labial location to the side surface.

Abstract: Self-ligating bracket for orthodontics has a base, an occlusal wall extending from the base and occlusal ligature wing, a gingival wall extending from the base and gingival ligature wing, a slot, which separates the occlusal wall and the gingival wall from one another and extends continuously in the direction from mesial to distal, and a slide, which is held in a guide provided in the occlusal wall and/or in the gingival wall. The guide can be shifted in the gingival-occlusal direction, between a closed position, in which the slide bridges the slot, and a open position, in which the slot is open in labial direction. A structure holds the slide in its closed position as well as in its open position.

Abstract: A system for repositioning teeth comprises a plurality of individual appliances used with braces. The appliances are configured to be placed successively on the patient's teeth and to incrementally reposition the teeth from an initial tooth arrangement, through a plurality of intermediate tooth arrangements, and to a final tooth arrangement. The appliances may be substituted with braces as appropriate to optimize the treatment of the teeth.

Abstract: Method and system for detecting and correcting deviation during an orthodontic treatment plan is provided. The method includes the steps of receiving an un-segmented current teeth image representing a patient's teeth after an orthodontic treatment plan has begun and before the plan ends for the patient; matching a previously segmented teeth model with the current teeth image; and generating at least one corrective stage to define an intermediate tooth arrangement, wherein the at least one corrective stage repositions a digital teeth image so that a prescribed tooth arrangement of the previously segmented teeth model can be used.

Abstract: An implant comprising two internal anti-rotational features. One anti-rotational feature is adapted to engage a driving tools while the other anti-rotational feature is adapted to engage an abutment. An implant abutment system is provided with an angled abutment adapted to mate with one of the anti-rotational features. A second, straight abutment is adapted to engage with the other anti-rotational feature. An abutment is provided with resilient fingers to interface with the implant and provide tactile and audible feedback indicating when the abutment is properly seated. An abutment screw extends through the abutment and engages the implant bore distal of the stem of the abutment. The abutment screw limits axial movement of the abutment relative to the implant. A driving tool comprising one of at least retention structure and visual alignment indicia is provided to facilitate screwing the implant into a patient's bone.

Abstract: A set of elements is described for use in the production of a dental prosthesis (20), in particular of a crown, a bridge, an inlay or an onlay, comprising: a framework (3) and one or more model parts (5) for defining parts of the outer contour of a veneer (15) for the framework (3), wherein the model part or parts (5) can be mounted on the framework (3) in such a way that, at one and the same time, (i) a gap (7) remains between the model part or parts (5) and the framework (3) and (ii) the model part or parts (5) define parts [lacuna] the outer contour. Corresponding methods and systems are also described.

Abstract: Systems and methods produce a physical base for receiving physical tooth models by receiving position information for the physical tooth models on the physical base and machining first features on a base plate in accordance with the position information to produce the physical base, wherein the first features are configured to receive the physical tooth models.

Abstract: A web-based stock market simulation educational tool provides a dynamic, interactive, stock market simulation educational tool. Participants create companies, research each other's companies, and manage their own portfolio as they perform bank transactions (loans and Certificates of Deposits) and buy and sell shares which influence the price of each company. Teachers also known as instructors and students also known as participants or investors participate in the educational process. The currant invention will include an investment option for students that mirrors or indexes the entire market within the overall simulation.

Abstract: A system and method for displaying content in a browser window associated with an end-user is described. In one implementation, data that includes links is received from a content provider, each of the links is identified and encoded, and the received data along with the links are displayed in the end-user's browser window.

Abstract: An apparatus and a system comprise a plate device comprising a support structure and a plurality of compartments being configured to retain items. The compartments are supported by the support structure. A plurality of weighing devices is configured to weigh the compartments. A scale support structure is configured to support the plate device and the weighing devices. A processing device is in communication with the weighing devices and is operable to at least process weight information. A presentation device is in communication with the processing device. The presentation device is operable to at least display processed weight information of items in each of the compartments and to display a sum total of processed weight information of items retained in the plate device.

Abstract: An educational game used for enhanced word learning of words in a different language. In one format using playing cards, a player picks a first card from a plurality of like cards in a card deck. The player then turns the first card over to reveal an English word with its corresponding image. The player now looks at a plurality of second cards with a Spanish word or other language word, which are placed face up to see if he or she can quickly match the English word with the Spanish word. If the player picks the correct corresponding word, the card is turned over to reveal the word and its corresponding image. By continuous playing the game, the players quickly can learn words in a different language prior to associating the word with its image.

Abstract: A self-exploration assembly includes a base and a plurality of petals each shaped so that when the plurality of petals are coupled to the base in a first orientation, the plurality of petals together resemble an onion, and, when the plurality of petals are coupled to the base in a second orientation, the plurality of petals resemble a flower.

Abstract: Apparatus, including: a mockup probe, having a distal end and a proximal end adapted to be held by a human operator. The apparatus further includes a mockup patient, simulating an actual patient, the mockup patient having an aperture allowing penetration of the distal end of the mockup probe into the mockup patient. The apparatus includes a force generator, coupled to the mockup probe so as to apply a force to the proximal end that can be felt by the human operator, and a system controller. The controller is configured to: track a location of the distal end during the penetration thereof into the mockup patient, access an indication of a value of contractility of a region of an organ of the actual patient corresponding to the location, and activate the force generator so that the force applied to the proximal end corresponds to the indication.

Abstract: Disclosed is a method whereby a narrowed part similar to an actual lesioned blood vessel can be easily obtained. A mold (10) comprises first and second molded members (16, 17) having inner spaces (29, 40, 57) passing through in the axial direction and an axial member (18) detachably inserted through the individual inner spaces (29, 40, 57) of the individual molded members (16, 17). The molded members (16, 17) have tapered front parts (27, 27) respectively. In the state of facing the front ends (20) of the tapered front parts (27) to each other and thus forming a concave (12), the axial member (18) is attached. A first material (75) made of a mixed material comprising calcium carbonate or the like and silicone or the like is applied to the concave (12). A second material (76) such as silicone is applied to the entire outer periphery of the mold (10). After hardening the materials (75, 76), the mold (10) is withdrawn by detaching the axial member (18) and dividing the concave (12).

Abstract: An apparatus for teaching concepts concerning equilibrium, symmetry of energy flow and spherical motion including a centrally located octagear with eight engaging bevel gears, each having a central axis at a 70° angle relative to its adjacent gears. Each gear has a central shaft extending outwardly from the octagear, with the shafts having identical lengths. Reciprocating motion delivered to a crank mechanism is translated into rotary motion of the shaft, this rotary motion being transmitted to the gear at the end of the shaft. Connecting the crank mechanisms of each shaft are a plurality of beams with each beam spanning the space between two crank mechanisms. Each beam is capable of flexing between a first curved position and a second curved position resulting in a change in the span length of the beam and generating reciprocatory motion transmitted to the crank mechanisms. A cube-shaped frame is also provided.

Abstract: A coaxial connector includes a center contact and an outer contact. The outer contact has a central cavity and the center contact is disposed in the central cavity. The outer contact has a mating end configured to be mated to a mating connector and a terminating end configured to be mounted to a circuit board. A circuit board mount is coupled to the terminating end and is configured to mechanically and electrically connect the outer contact to the circuit board. A dielectric insert is received in the central cavity and holds the center contact. The dielectric insert has structural features extending axially along an exterior of the dielectric insert with air gaps therebetween. The structural features engage the outer contact to secure the dielectric insert in the central cavity.

Abstract: A connector includes a surface mount contact and housing. The surface mount contact has a cylindrical portion, a lance, and a pair of surface mount soldering portions. The cylindrical portion has a cylindrical shape into which a wire core of an electrical wire is inserted. The lance is positioned in an intermediate portion of the cylindrical portion along an axial direction thereof and secures the wire core when the electrical wire is inserted. The pair of surface mount soldering portions project from the cylindrical portion. Each of the pair of surface mount soldering portions extend from an end of the cylindrical portion in a direction orthogonal to the axial direction.

Abstract: A grounding clamp comprising a separable body; an elastomeric sleeve, the sleeve having a coaxial cable receiving portion and a grounding cable receiving portion; a conductive contact, sized for insertion within the elastomeric sleeve, the conductive contact having a coaxial cable contact portion and a grounding cable contact portion; and at least one fastener wherein, when the separable body is joined together, the elastomeric sleeve is compressed facilitating grounding and sealing of a coaxial cable and a grounding cable securely received within the clamp. Furthermore, an associated method for maintaining ground continuity is also provided.

Abstract: According to embodiments of the disclosure there is provided an apparatus including a user input device; and a mechanism configured to enable the user input device to be moved between a first position and a second position wherein when the user input device is in the first position a socket is accessible by a user of the apparatus and when the user input device is in the second position the socket is not accessible by the user of the apparatus.

Abstract: Circuits, methods, and apparatus that provide connector receptacles having a smaller size. One example provides this smaller size by decreasing the depth of the connector receptacle. Contacts in the connector receptacle may be protected from damage due to improper insertion of a second electronic device or connection to a second electronic device. This protection may be achieved in various ways. In some examples, one or more components or one or more contacts may be used to block the improper insertion of a second electronic device or connection to a second electronic device. In other examples, one or more contacts may avoid damage by being located outside of an insertion path until a second electronic device or connection to a second electronic device is inserted. In other examples, instead of blocking or avoiding an improper insertion, the contacts may avoid damage by bending out of the way.

Abstract: An electrical connection assembly includes a female element having at least one electrical contact and a male element to be inserted in the female element and which includes a plug and a sleeve that surrounds and is movable relative to the plug and at least one electrical contact is carried by the plug and is electrically engageable to the electrical contact of the female element. An external surface of the sleeve has at least two stages with diameters which are smaller in a direction toward a free end of the male element and the female element has a body with an internal surface having at least two stages with diameters which are larger in a direction toward a mouth of the female element and such that the at least two stages of the external and internal surfaces seat with one another when the male element is inserted into the female element.

Abstract: A memory module connector includes a dynamically-assisted latch that facilitates connecting and releasing a memory module. The latch includes a lever pivotably coupled to the connector for urging the memory module into and out of a fully seated position within the connector. The lever provides a mechanical advantage for lowering and raising the memory module. A latch assist member urges the latch into engagement with the memory module in response to an insertion of the memory module, and dynamically positions the lever in response to movement of the memory module within the connector.

Abstract: A coaxial interconnect and contact are provided. The coaxial contact is patterned to define a plurality of openings along its longitudinal length. An inner surface of the contact may circumferentially engage an outer surface of a mating contact, wherein such engagement causes at least a portion of the contact to flex radially outwardly. The contact may also flex in the longitudinal or axial direction.

Abstract: A contacting plug for contacting a contact carrier, in particular a circuit board, having two clamping claws able to be pivoted relative to each other, transversely to a plug-in direction, at least one of which is implemented as contact holder carrying at least one flexible contact element, which contact holder is implemented with a contact force for resting on the contact carrier, and a spring arrangement for generating a clamping force that is independent of the contact force. According to the invention, the spring arrangement is designed for bracing exclusively on the contacting plug for generating the clamping force.

Abstract: The invention provides a connector including a housing, contacts, and an actuator. The housing includes a first depression and second depressions. The second depressions are provided at opposite edges of the first depression and each include a bottom surface forming a slope. The contacts are arranged at intervals in the housing and each include a hook to be disposed within the first depression. The actuator includes bosses and a shaft. The bosses are received in the second depressions. The shaft is received in the first depression. When the actuator is in an upright position, the bosses are on the slopes and the shaft is positioned on the other side of the hooks. When the actuator rotates from the upright position to a lying position, the bosses rotatingly move up along the slopes and the shaft thereby move to the one side to be engaged with the hooks.

Abstract: In a gas sensor, when an arithmetical mean roughness Ra of an inner periphery of a metal tube 95 is 1 ?m or less and end portions 93 and 94 of U-springs 92 are formed as curved contact portions, the end portions 93 and 94 of the U-springs 92 can slide smoothly along the inner periphery of the metal tube 95. Therefore, when vibration is applied to the gas sensor, the U-springs 92 can be prevented from being caught in the inner periphery of the metal tube 95, and the vibration can be absorbed by an elastic function of the U-springs 92. Even if the gas sensor vibrates, defective contact between a sensor element 20 and contact fittings 71 and wear and cracks in the sensor element 20 are less likely to occur. That is, the gas sensor resistant to vibration can be obtained.

Abstract: An improved LED-lamp-board connector includes a main housing having a base having terminal sockets. The base has two laterals formed with arms each separated from the base by a gap. The arms are provided with rabbets. The two arms are connected by a spine. The spine also has plural rabbets corresponding to the terminal sockets on the base. Each of plural terminals has a horizontal plate whose two ends each extended with a spring contacting piece. The horizontal plate has a lateral including an insert to be inserted into the rabbet on the spine or on the arm, making the horizontal plate and the spring contacting piece of the terminal received in the corresponding terminal socket on the base, thereby forming the connector. The connector receives two LED lamp boards inserted to its two ends, thereby forming an LED lamp board assembly of a variable length.

Abstract: A card edge connector comprises an insulative housing defining an inserting slot along a longitudinal direction thereof and a key lying in the inserting slot; a plurality of contacts retained in the insulative housing, the contacts including retaining portions retained in the insulative housing, soldering portions extending from the retaining portions and contacting portions extending from the retaining portion and located at two sides of the inserting slot; a pair of locking members disposed at two opposite ends of the insulative housing in the longituderinal direction and perpendicularly to the insulating housing; and a pair of the board-retaining members retained on two opposite ends of the insulative housing or the locking members in the longitudinal direction, the board-retaining members comprising board-retaining portions bending inward and approaching to the soldering portions of two outermost contacts along the longitudinal direction of the insulating housing.

Abstract: An electrical connector for electrically connecting a central processing unit (CPU) to a printed circuit board (PCB) includes a base having a first opening and a plurality of passageways with a plurality of contacts therein. A base shield is assembled on the first opening of the base. A cover is mounted upon the base and has a second opening corresponding to the first opening of the base and a plurality of through holes corresponding to the passageways. A cover shield is assembled on the second opening of the cover for contacting with the CPU and the base shield. An actuator driving the cover with the cover shield slides along the base with the base shield in a front-to-back direction.

Abstract: A connector member that is improved in durability and reliability by preventing fracture of hinges of a retainer and can be smoothly mated with a mating connector. The connector member having a lance housing. a connector housing, and the retainer. The lance housing includes a plurality of terminal receiving slots, a recess disposed at a rear of the plurality of terminal receiving slots and in a portion of the lance housing near a rear surface thereof, and a pair of guide walls positioned opposite each other along a top surface of the lance housing. The connector housing includes a housing recess opening at one side for housing the lance housing. The retainer is fitted into the recess of the lance housing and swingably connected to the lance housing by a hinge.