Abstract: The invention relates to a cutting tool including a basic body and a cutting insert detachably connected to the basic body via an interface, which includes a pair of co-operating connecting surfaces in which engagement means are included, which may be in the form of knobs and seatings. A knob and a co-operating seating have a rotationally symmetrical, conical shape to prevent translation of the cutting insert in the plane of the interface. Another knob ensures that the cutting insert cannot be rotated in relation to the conical knob. Simultaneously, ample bearing surfaces abut against co-operating support surfaces in a connecting surface. In such a way, the cutting insert is fixed in a stable, non-overdetermined position in the basic body. Furthermore, the invention relates to a cutting insert as such.

Abstract: Cutting tool, such as for end-cut and longitudinal turning, and for cutting grooves in a workpiece, which has an end or major cutting edge and two side or minor cutting edges, each of which are connected to the end or major cutting edge by two outer corners. Additional corner chip-breakers are formed between each of the outer corners and the ends of a chip-guiding rib.

Abstract: A drill bit made of a shaft including a fan on the shaft having at least one blade; and related drill attachment for dust and debris collection made of a handle; a housing body having a front and back portion and a top and bottom portion, such that the bottom portion is connected to the handle and the housing body contains a hollow opening perpendicular to the handle; a nozzle which is connected to the front portion of the housing body; a drill bit comprising a shaft including a fan on the shaft having at least one blade within said hollow circular opening; and a receptacle to collect dust and debris while the drill is in use.

Abstract: A boring device is inserted into a lateral pipe to bore a pipe lining material inserted into a main pipe across the lateral pipe intersecting therewith and a portion of which blocks an opening of the lateral pipe that communicates with the main pipe. The boring device has a rotatable shaft, a bearing member for rotatably bearing the rotatable shaft, and a boring blade mounted on the rotatable shaft for rotation therewith to bore through the portion of the pipe lining material that is blocking the opening of the lateral pipe. A supporting member is mounted on one side of the bearing member. An inflatable bag is mounted on the other side of the external periphery of the bearing member. The inflatable bag is inflatable in the lateral pipe so that the inflatable bag and the supporting member are pressed against an internal peripheral surface of the lateral pipe.

Abstract: A container securement device enables a user to secure a cargo container to a carrier deck. The device includes a base having a projecting shear block received in the lock-actuating opening of the container. A shaft-mounted head rotates between an unlocked or loading position in which the head moves through the locking opening and a locked position in which the container is secured. Automatic entry and release are provided by a selected interchangeable spring element within the base biasing the head to the locked position but permitting movement to the unlocked position when torque is applied by engagement of the container with a cam surface on the head. The spring element may be interchanged as may be required by anticipated climactic and/or temperature conditions. Each spring element is actuable by a uniquely configured shaft member having a spring-receiving end capable of cooperating with at least two types of springs.

Abstract: An inflatable dunnage bag for filling empty space within a container is provided. The inflatable dunnage bag includes a bag portion and a valve assembly. The valve assembly is connected to the bag portion and defines a passageway through which a fluid is introduced into the bag portion during an inflation process. The valve assembly may include a backing plate, a flap, a projection, or combination thereof. The backing plate may be positioned between front and back walls of the valve assembly and be configured to protect the back wall from an inflation nozzle inserted through the front wall during the inflation process. The backing plate may include a flap adapted to further protect the back wall and help direct the fluid flow toward the bag portion. The projection, such as a hook, is configured to position the valve assembly to a predetermined area of the container.

Abstract: In one aspect, a holder mountable to a friable substrate may include a self-drilling anchor, a wall engaging flange having an opening for receiving a fastener, and at least one leg extending from the flange for holding an object. In another aspect, a holder may include a self-drilling anchor, a wall engaging flange, and a pair of U-shaped legs for holding an object. In still another aspect, a holder may include a self-drilling anchor, a wall engaging flange, at least one leg extending from the flange for holding an object and a recess for receiving a rotary driver. A pair of openings may be provided in the flange for receiving a threaded fastener.

Abstract: A dowel inserted under pressure in a hole, including a head and a body which remain outside and inside the hole, respectively. The head is suitable for a clamp to pass through. The body includes a central core from which there emerge annular retention tabs having a slightly larger diameter than the hole, all provided with radial notches, and a centring annular projection. Each annular retention tab forms a pair with an annular abutment tab located, with respect to the former, in the position nearest the head. The annular abutment tab has a diameter that is smaller than that of annular retention tab and equal to that of the hole.

Abstract: A climate controlled cabinet with integrated transport device is provided with a movable carrier plate for receiving the storage towers. The carrier plate can be moved to provide better access to the interior walls and floor of the device, and/or it can be moved to shake the contents of the objects to be stored.

Abstract: A bundle handling device is provided that includes a frame, a body, a scoop, a ramp and a controller. The body is mounted to the frame and includes a first opening through which bundles are loaded and a second opening through which bundles are discharged. The scoop and the ramp are mounted to the body. The scoop covers a substantial portion of the second opening, while the ramp covers the remaining portion. The controller is coupled to a plurality of actuators and a plurality of sensors, and controls the rotation of the body, the opening and closing of the scoop and the opening and closing of the ramp, in order to discharge a metered portion of bundles through the second opening.

Abstract: A simple and compact loader having a sufficient strength with brackets fixed on a working vehicle. Lift arms are pivoted at one ends thereof to respective brackets so as to be vertically swung by respective lift arm cylinders. Attachments are vertically swingably supported on respective tip portions of the lift arms. Bucket links are connected to the respective attachments so as to transmit the telescopic action of bucket cylinders. Each of the bucket links is offset laterally from each of the lift arms. The middle portion of each of the lift arms is disposed above a straight line connecting both ends of the lift arm to each other, so as to ensure a space for arranging a steerable wheel under the lift arm.

Abstract: An apparatus and method for packaging bulk materials into containers. The apparatus and method are useful in the bagging of bulk products, such as sand, salt, grain, feed and the like, and is particularly useful in rapidly forming sandbags. The bags can be filled at a remote location. The apparatus may be attached to a vehicle, such as a skid steer, tractor or truck, and can replace an existing bucket of a front end loader. The bucket scoops a quantity of bulk material into the bucket. An auger mounted in the bucket is driven by a motor to force a flow stream of bulk material out an opening in the bucket. An open container is placed adjacent the flow stream to rapidly fill the container with bulk material. The apparatus can also be provided as a retrofit kit to convert an existing bucket into a bagging apparatus.

Abstract: A vertical axis type wind power station and a blade manufacturing process, which can stabilize the turning motions of blades and can raise the power generation efficiency by lightening the blades to smoothen the turning motions of the blades; a structure and method for mounting the wind-driven device of a wind power station, by which the wind-driven device can be easily disposed at the upper portion of a building; and a windbreak wind power plant for breaking the wind by using the vertical axis type wind power stations or wind-driven devices arranged along the shoreline or the like.

Abstract: A turbine airfoil usable in a turbine engine and having at least one cooling system. At least a portion of the cooling system may be positioned in an endwall attached to the turbine airfoil. The endwall may include an endwall horseshoe cooling slot positioned in the first endwall proximate to the leading edge of the airfoil such that one end terminates proximate to the pressure side of the generally elongated hollow airfoil and a second end terminates proximate to the suction side of the generally elongated hollow airfoil. The endwall horseshoe cooling slot may include a plurality of film cooling holes angled to create a film cooling layer to reduce airfoil and endwall temperatures at the intersection between the leading edge of the airfoil and the endwall.

Abstract: A screw-centrifugal pump (1) comprises a pump housing (3) having an inlet opening (3c) and also an impeller (2) arranged within the pump housing (3) and rotatable about an axis of rotation (2d) in a direction of rotation (4a). The impeller (2) has a spirally extending blade entry edge (2a) and a guide vane (5) projects into the interior space of the impeller (2) and is disposed in the region of the inlet opening (3c). A method of conveying a liquid permeated with solid additions using such a pump is also described and claimed.

Abstract: A split shroud system for a gas turbine engine having a pair of annular-shaped shrouds that each have an inner pocket; to form a pair of inner pockets. Each of the pair of pockets having liner parts that form a circle. Liner parts of one of the pair of pockets facing liner parts of the other of the pair of pockets to form liner part pairs. One of each of said of pair of liner parts has a mutual abutting surface that forms a plurality of slots for accepting a plurality of vane inner trunnions.

Abstract: A turbine blade tip and shroud clearance control coating system comprising an abrasive blade tip coating and an abradable shroud coating are provided. The abrasive layer may comprise abrasive particles of cubic zirconia, cubic hafnia or mixtures thereof, and the abradable layer may be a nanolaminate thermal barrier coating that is softer than the abrasive layer. The invention further provides an alternate coating system comprising an abradable blade tip coating and an abrasive shroud coating.

Abstract: A turbine nozzle includes a row of vanes joined to radially outwardly inclined outer and inner bands. Each vane has camber and an acute twist angle for importing swirl in combustion gases discharged at trailing edges thereof. The trailing edges are tilted forwardly from the inner band to the outer band for increasing aerodynamic efficiency.

Abstract: A method for repairing or replacing a mechanically retained vane is provided. The method comprises the steps of forming an oversized cavity in a support structure, inserting a flared end of a vane in the oversized cavity, and inserting a wedge for mechanically retaining the flared end of the vane in the oversized cavity.

Abstract: Multistage centrifugal compressor includes at least one stage which, in turn, has a lower half-tank, an upper half-tank, a series of lower half-diaphragms, a shaft equipped with a series of rotors, a series of upper half-diaphragms, a lower suction half-diaphragm, an upper suction half-diaphragm, the lower suction half-diaphragm and the upper suction half-diaphragm include a lower portion (71) and an upper portion (72), respectively, suitable for being coupled with the lower half-diaphragms and with the upper half-diaphragms, respectively, to form a first pile of lower half-diaphragms and a second pile of upper half-diaphragms, respectively.

Abstract: Rings having holes with a centerline offset from the centerline of the outer diameter, or other diameter piloting feature of the ring (i.e., non-concentric rings) may be used to align rotating components within their static components. Two non-concentric rings may be used to support a bearing that contains a shaft there through to allow for maximum offsets between a desired centerline of the rotating component and an actual, assembled centerline of the rotating component. Adjustment of the rotor centerline relative to the static structure centerline may be obtained without disassembly of the rotor assembly or static structure assembly.

Abstract: A gas turbine engine is used for power generation or propulsion and includes vanes. Each vane includes a trailing edge having a curvature and cooling slots that cool the vane. A photochemical edge shield includes an edge and projections that project from the edge. Before coating the vane, the photochemical edge shield is positioned on the vane such that each of the projections is received in one of the cooling slots. A ceramic coating is then applied to the vane. The photochemical edge shield prevents the ceramic coating from entering and clogging the cooling slots of the vane during the ceramic coating process.

Abstract: A turbine blade includes a hollow airfoil having a plurality of bowed tip holes extending through a tip floor thereof and skewed toward a squealer rib extending outwardly from the floor.

Abstract: A rotor aircraft has a tilting hub for cyclic control operated by either a tilting spindle or swash plate mounted to the upper end of the drive shaft. A spinner housing with two separate half portions encloses the hub. The blades of the rotor have root portions that are integrally joined to the separate half portions. During a collective pitch change, the half portions rotate relative to each other, but at advance ratios greater than about 0.7, when the collective can be held constant, the spinner half portions can be in perfect alignment. Concentric control sleeves surround the drive shaft for changing collective pitch as well as cyclic pitch.

Abstract: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.

Abstract: A composite blading member includes an airfoil and a base of composite material layers and a platform of composite material layers interfused with the airfoil and base. The platform comprises a platform shelf and a plurality of spaced-apart platform supports integral with the platform shelf and interfused with surfaces of the base. Such blading member was made by providing a partially cured airfoil-base preform and a platform preform, including an airfoil shaped opening therethrough and preforms of the platform supports. The airfoil-base preform was inserted through the airfoil shaped opening whereby cooperating surfaces of the platform preform and airfoil-base preform were in juxtaposition. The preforms were heated to partially cure them together. Then they were interfused with a binder compatible with material of the preforms under conditions to substantially fully cure the structures.

Abstract: The present invention provides apparatus and methods for balancing stacked components of rotating machinery, such as in a gas turbine engine. Unlike conventional processes and devices for balancing stacked components, the present invention may use a single non-parallel spacer for obtaining an acceptable and repeatable component group balance. The non-parallel spacer may be used to compensate for rotor bow and the associated imbalance of the rotor group. By indexing a spacer with non-parallel faces, situated terminally at the end of the stack adjacent to the nut, rotor balance can be achieved without disassembly of the rotor group and clocking of its individual components. A spacer may also be disposed at any one or more of the interfaces between various components in the stack.

Abstract: The invention provides a twin-shaft, dry-running rotary piston machine (1) comprising two rotary pistons (8) supported in a housing (2) via shafts (4) and roller bearings (6) with rolling elements, said rotary pistons are horizontally arranged and mesh with each other in opposite directions, so as to define a conveying chamber; two oil chambers (10) arranged in said housing (2) at opposite front sides of the conveying chamber in the area of the roller bearings (6) and provided to be at least in part filled with lubricating oil, two splash elements (12), with per oil chamber (10) one splash element (12) being arranged on the shafts (4) in such a manner that every shaft (4) carries a total of only one splash element (12); and at least two connection channels (14) connecting the two oil chambers (10) with each other.

Abstract: Provided is an apparatus for preventing overheating of a scroll compressor including a first connection flow path for communicating a high pressure space and a low pressure space in a casing, a second connection flow path for communicating the first connection flow path and the low pressure space in the casing, a fluid refrigerant inflow guide pipe for guiding a fluid refrigerant from a refrigeration cycle system to flow into the low pressure space via the second connection flow path by connecting one side of the refrigeration cycle system with the second connection flow path, and a second connection flow path valve coupled to an inside of the first connection flow path, for opening/closing the second connection flow path according to a pressure difference between the low pressure space and the high pressure space, and a temperature sensing type valve coupled to an inside of the first connection flow path, for opening/closing the first connection flow path according to a temperature of the high pressure space

Abstract: A foaming die device is provided, which has a closure element rotatably provided therein. The foaming die device allows a three-dimensional trim cover assembly with an opening defined therein to be placed therein and also allows a liquid foaming agent to be injected into an inside of so placed trim cover assembly for foaming operation. In operation, when the trim cover assembly is placed in foaming die device prior to the foaming operation, the closure element is able to be rotated toward and easily inserted in the opening to prevent leakage of the liquid foaming agent therethrough, whereas, when the trim cover assembly is taken out from the foaming die device subsequent to the foaming operation, the closure element is able to be rotated and easily removed from that opening.

Abstract: A concrete wall fabrication system includes an endless track, mold carriers movably supported on the endless track for carrying a respective set of formworks for molding concrete into multiple concrete walls at a time, a concrete spouting unit set above the endless track and controlled to discharge a predetermined amount of concrete into each mold carrier, a vibrator unit set above the endless track and operable to vibrate the concrete in each mold carrier, and finished product collector unit set near one side of the endless track for collecting the finished concrete walls from each mold carrier for packing.

Abstract: An improved method of forming fiber-reinforced plastic shells for bathtubs utilizes a fiber mat placed on a rear surface of a plastic shell. The fiber mat is infused with a resin, and is then cured. The mat and resin are preferably received within a vacuum chamber as the resin is infused. Further, the plastic shell is preferably supported on a fluidized bed during this process. The present invention eliminates the need for detailed air handling as is now required to handle impurities in the industrial air around the process of forming the bathtub shell.

Abstract: The plant comprises a plurality of shuttles (10) each carrying at least one die part (110), the shuttles being conveyed in a moulding apparatus (20) which is provided with a plurality of punches and a corresponding plurality of seats (21) for holding the shuttles (10), the seats arranged to receive and release the shuttles (10), the moulding apparatus comprising means for inserting the punches into the die cavities (11, 12) of the shuttle and means for withdrawing the punches to achieve a compression moulding cycle for the article. The shuttles (10) are independent of the moulding apparatus. Each shuttles (10)comprises at least one circuit (15) for at least one conditioning fluid for controlling the temperature of the article located in the die, the moulding apparatus (20) comprising at least one feed system (25) for at least one conditioning fluid to feed the conditioning fluid to the shuttles (10) inserted in the seats (21) of the moulding apparatus (20).

Abstract: Coinjection molding system control apparatus and method preferably includes flow control structure and/or steps configured to reduce pressure on a second melt, preferably causing a relatively small portion of a first melt to flow from a distal portion of a first melt channel in the coinjection nozzle into a distal end of a second melt channel in the coinjection nozzle. This prevents substantial amounts of the second melt from being dragged into the mold cavity when the next shot of the first melt is injected.

Abstract: A mold capable of effecting alignment of the mold and the member to be processed with high accuracy even in such a state that a photocurable resin material is disposed between the mold and the member to be processed is constituted by a substrate 2010 formed of a first material and an alignment mark 2102 formed of a second material different from the first material. The first material and the second material have transmittivities to light in a part of an ultraviolet wavelength range of the ultraviolet light. The second material has a refractive index of not less than 1.7.

Abstract: A press has a frame including guides extending in a predetermined direction and a pair of tool-halves mounted on the frame and are movable on the guides in the direction toward and away from each other. Two knee-lever linkages symmetrically spacedly flanking each tool half with respect to a center plane substantially parallel to the direction, each coupled to the respective tool half and to the frame, and operable to shift the tool halves in the direction. Respective reversible, rotary drives each carry an eccentric output connected to respective drive links extending to the linkages. A controller connected to the drives rotates the eccentrics oppositely in respective first senses to press the one half in the direction against the other half and thereafter to pull the one half in the direction away from the other half with the two linkages never extending into a central region of the machine.

Abstract: Machinable composite molds for use in making a composite structure. The mold includes a mold body having a tool surface that is shaped to provide the molded surface of the composite structure. The mold body is made up of at least one mold layer composed of a quasi-isotropic material composed of a plurality of randomly oriented fiber bundles or chips impregnated with a resin. The use of randomly oriented fiber chips allows post-cure machining of the mold body.

Abstract: An extrusion blow molded container is provided comprising a closed base, a body portion extending from the closed base having a surface finish that is substantially free of striations, and an open neck portion extending from the body portion. In an embodiment, the container is comprised of polyethylene terephthalate (PET); the base portion includes a support portion and a substantially elevated portion having a center and a major diameter; and the center is disposed an elevated distance above said surface that is less than about 0.05 the major diameter. A method and apparatus for extrusion blow molding an article is also disclosed.

Abstract: An injection molding system and injection molding method for making molded parts that include one or more planar heaters having a thin or a thick film resistive heater element coupled, secured, or releaseably secured to one or more sides of each of the one or more injection molding nozzles. The releasably secure coupling allows heater device to be visually inspected, tested, removed, and/or replaced. The planar heater device can have a support device patterned with a film electrical resistive path. The electrical resistive path can include any pitch or number of electrical resistance lines, such that a longitudinal uniform heat profile is generated along a melt flow channel of the one or more injection molding nozzles when the nozzles are in use. In some examples, the planar heater has more than one film resistive heater element that can be coupled to one or each side of a nozzle, with dielectric material interposed between the planar film resistive heater elements.

Abstract: To facilitate cleaning of melt channels in a runner system (102) in a centre-section carrier (20) or the like, a multi-piece interface adaptor (114, 116, 118) is detailed in FIG. 4. A male portion(114) of the interface adaptor (112) is securely coupled to the runner system (102) to extend the melt channel (63) thereof. The male portion (114) preferably includes a branching feature (124) that splits melt flow into opposing directions to feed distinct nozzles (60, 62). A female portion (116) of the interface adaptor includes bores (144, 146) that align with the branching feature (124, 134, 136) and support the mounting of nozzles (60, 62) therein. The female portion (116) is fixedly secured within the carrier (20). The male portion (114) and the female portion (116) are slidably engageable with one another along sealing surfaces (130, 220). At system operating temperatures, effective operational sealing occurs as a result of relative thermal expansion between the male portion (114) and the female portion (116).

Abstract: A gas-powered heating apparatus includes a reservoir for storing fuel, a combustor communicated with the reservoir for burning the fuel, a switch provided between the reservoir and the combustor for turning on/off the supply of the fuel to the combustor from the reservoir and a controlling device provided between the reservoir and the combustor for controlling the rate of the supply of the fuel to the combustor.

Abstract: The invention relates to a device for mixing and/or introducing gases and/or liquids into a hot reaction space, said device comprising a metal tube and not being equipped with water cooling means. The metal tube is surrounded by a heat insulation made of refractory material to enable the device to be used even at high reaction space temperatures.

Abstract: The present invention relates to a hand tool used by dental professionals to polish a patient's tooth. The hand tool can be connected to a hand motor used to rotate a wheel cup with a plurality of grinding wings that rub against the patient's tooth as a predetermined amount of dentifrice material is discharged directly on the patient's tooth through a drain hole within the wheel cup. The dentifrice material is discharged from a tube that is assembled in the housing of the hand tool. The tube has a plurality of folds formed on the tube body in such a manner as to be folded by a given distance while being compressed to discharge the dentifrice material therefrom. The tube is compressed by a link with a push button that is guided in the forward direction as it is pushed by a finger.

Abstract: A method and apparatus is disclosed for providing implants in the upper jaws of a person. A sleeve is inserted through the alveolar ridge to the maxillary sinus. The sleeve is used to raise the subantral membrane and form a cavity. A filler, such as a bone growth stimulant is injected through the sleeve into the cavity. In the process, the sleeve also can cut and/or condense the bone around itself so that the bone can hold an implant. Optionally, the bone growth stimulant is also introduced into the bone surrounding the sleeve. During the injection, the pressure within the sleeve or the cavity is monitored to detect and prevent the rupture of the subantral membrane.

Abstract: A simulation apparatus and teaching system utilizing the apparatus are disclosed which includes a computer with input and output devices and a simulation apparatus including a housing, where the housing includes a tactile output subsystem for simulating pressure pulses corresponding to a pulse, an audio output subsystem for simulating heart sounds or other bodily sounds and a visual output subsystem for simulating visual attributes associated with a given condition. The output subsystem are under computer control and via interaction with a user, the computer will instruct the output subsystem to generate the symptoms associated with a given condition in a temporally correlated or simultaneous manner so that a user will be able to experience the visual, audio and tactile attributes associated with a given condition.

Abstract: A clock for teaching time-telling to children has a base with a circular recess containing twelve 30-degree removable wedges forming an annular disk. Each radial edge of each wedge has a semicircular opening that aligns with a complimentary semicircular opening on an adjacent wedge to form a hole that accepts a removable disk numbered from one to twelve. A long pointer and a short pointer pivot about a fastener in a center block, simulating clock hands. Scales denoting minutes, hours, roman numerals, and different color names are arrayed around the perimeter of the circular recess. Each wedge is colored to correspond to a different color name. A child may repeatedly assemble and disassemble the wedges and numbered disks to create a clock face and operate pointers to reinforce time-telling lessons.

Abstract: An LED interconnect spring clip assembly includes a housing having a center cavity and a plurality of contact features. Each contact feature has a portion retained by the housing and another portion that is operable to contact a terminal of an LED package disposed within the center cavity of the housing. The LED interconnect spring clip assembly retains the LED package when mounted to a substrate.

Abstract: A microelectronic component having a base and a plurality of conductive posts extending from said base. Each of the posts is formed from a connected lattice of metal having voids therein. The lattice may be formed by depositing metal onto a sacrificial element such as an open-celled polymeric foam. During use or during processing, the posts may be deformed , as by crushing the lattice.

Abstract: Provided is an electrical connector for electrically connecting a plug assembly having a plurality conductive pads to a PCB, comprising a dielectric housing including a base having a plurality of sidewalls extending therefrom; the base defining a receiving cavity for receiving the plug assembly together with said sidewalls; a plurality of spring contacts received in the base, and defining a resilient arm extending above the base, the resilient arm having a contact portion for wiping the corresponding conductive pads of the plug assembly and exerting a tangential component force, while the plug assembly is mated into the receiving cavity of the housing; wherein the base is divided into several sections, each section having a plurality of spring contacts received therein, the spring contacts received in a same section oriented in a same direction but different from those in other sections, sidewalls which is opposite to the composition of the tangential component force defining a plurality of push finger in ord

Abstract: An electrical connector (1) for electrically connecting a chip module to a printed circuit board includes an insulative housing (2), a number of contacts received in the insulative housing, and a metal stiffener (3) partially surrounding the insulative housing. The insulative housing has an upper mounting surface, opposite lower connecting surface, and defines a number of contact-receiving passageways penetrating through said mounting and connecting surfaces thereof. The contacts are received in the contact-receiving passageways of the insulative housing adapted for electrically connecting with said chip module and the printed circuit board which respectively assembled to the mounting surface and the connecting surface of the insulative housing. The insulative housing has a portion located below the metal stiffener and confronted by the metal stiffener to prevent the deformation of the insulative housing.