Abstract: A motor driven compressor has a motor and a compressing mechanism connected to the motor through a rotary shaft, which is located within a housing, and an offset of phase is set between a stator and a rotor. The rotor is mounted to the rotary shaft, allowing the rotor to rotate so that it may be magnetized. Further, the motor driven compressor has a driving member driven together with the rotary shaft, a communication gas hole formed within the housing and extending from a suction port to a discharge hole, and a mark positioned along a radial axis on a first end surface of the driving member. The mark is used for setting the offset of phase between the stator and the rotor on the basis of a mark, by positioning the mark opposite the suction port. Accordingly, the motor driven compressor has a structure, which allows the rotor to be readily magnetized and may reliably set the offset of phase between the rotor and stator for magnetizing the rotor.

Abstract: A resonant spring is transversally affixed inside a hermetic shell of a reciprocating compressor and axially coupled to a linear motor's drive rod. Two contact surfaces, defined by the drive rod and by the resonant spring, are located on orthogonal planes in relation to a cylinder's axis and are axially spaced from each other facing a respective confronting contact surface. A spacing body located between each of the confronting surfaces is loosely and coaxially mounted around the rod and has two axially opposite contact surfaces lying on orthogonal planes in relation to the cylinder's axis.

Abstract: There is provided a compressor having two compression portions arranged in parallel. A compression chamber is formed into an air-tight chamber surrounded by a head of a piston, a cylinder, and a head cover. A discharge chamber is provided to the periphery of each cylinder, and these discharge chambers communicate with each other by a through hole. Two field cores of each electromagnet for driving each piston are formed in the integral structure, and a half wave of an alternating electric current is supplied to each coil wound around these coils in such a manner that the excitation directions of the respective field cores are opposed from each other.

Abstract: A compressor piston has protrusions which extend upwardly into discharge ports to minimize clearance at the end of the compression stroke. The protrusions fit into circumferentially isolated discharge ports, and each of the ports are associated with reed valves. Preferably a cutout portion is formed into the piston head to allow clearance for movement of the suction valve. The suction valve is positioned on an inner face of a valve plate and the discharge reed valves are positioned on an outer face. The protrusions are preferably frustro-conical.

Abstract: The invention is related to a series gear pump for differing output volumes with at least two gear pumps, each gear pump comprises at least two intermeshing displacing elements, a first displacing element and a second displacing element in the form of gears. The individual gear pumps of the series comprise a substantially identical dimensions for the axial interval between the theoretical axes and between the theoretical axes of rotation of the two displacing elements, and a substantially identical gearing width in the form of a substantially identical axial extension of the gearing elements. The individual gear pumps differ from each other at least as regards the size of the tip circle diameter of at least one of the two displacing elements.

Abstract: An electromagnetic driving device for a mold clamping system is disclosed, which has a stationary plate fixedly mounted on a lathe bed; a mold guiding mechanism mounted parallel on the lathe bed; a movable plate slidably arranged on the mold guiding mechanism, facing the stationary plate, for generating a relative slide to the stationary plate; and a movable plate driving mechanism for driving the movable plate on the mold guiding mechanism. The electromagnetic driving device utilizes magnetic force to drive the linkage, movable plate etc. to perform open-mold movement, close-mold movement, and mold-locking movement.

Abstract: System for the manufacture of reinforcing preforms for structural composite products. The air flows for the manufacturing stations are optimized by providing a separate air system for each cell and providing seals between the net-edge blocks and the mold portions.

Abstract: A shooting pot actuator for an injection molding machine having two plates carrying pusher rods for pushing against injection plungers within the shooting pots. The plates are mounted outside the mold and the clamp unit, and the pushers extend through bores in the stationary platen of the clamp unit to reach the injection plungers. The actuator reduces the cost and complication of mold design and production, and permits simplified adjustment of the injection plunger stroke.

Abstract: A secondary molding apparatus includes a transfer path for a primary molded product, and an internal heating unit disposed vertically at a predetermined interval across the transfer path, the internal heating unit disposed to come into contact with a rear surface of a flat base material and to melt top portions of protrusions located on a front surface of the flat base material. The secondary molding apparatus also includes a pressing member disposed vertically at a predetermined interval across the transfer path, the pressing member configured to press and deform the top portions of the protrusion to a desired shape, the pressing member being a non-heating member.

Abstract: An apparatus is disclosed for thermosetting thermoplastic tubes in a predefined shape having at least one bend. The apparatus includes an oven with an interior chamber which is heated to a temperature approaching that at which the tube thermally deforms. An elongated former has a channel dimensioned to receive the tube, and this channel has the predefined shape. A thermally absorbent coating is disposed only on a surface of the former adjacent to and extending across each bend of the former. This thermally absorbent coating locally adds the thermal energy required to reset the memory of the tube at the bend location. A conveyor extends through the oven chamber from an inlet end and to an outlet end of the oven, and the former is attached to the conveyor.

Abstract: In a modular mold assembly first and second mold frame halves used to define at least one aperture extending therethrough, the apertures cooperating to define a mold module cavity when said first and second halves are assembled. At least one mold module slidingly receivable in each of the apertures and can be locked therein securing the mold module within the mold cavity in response to the first and second halves being in engagement with one another. Upon separation of the mold halves, the modules are released and can be removed.

Abstract: The invention provides an apparatus for forming a bend in a linear section of thermoplastic pipe. The apparatus comprises an anvil having a concave working surface which defines an arc of at least the bend angle of the bend to be formed in the pipe section. The anvil further includes a collar for retaining an end of the pipe section adjacent to the working surface. The apparatus also includes a flexible mandrel of substantially the same internal diameter as the pipe, with the mandrel being inserted into the pipe prior to the bending operation. A method is also disclosed using the apparatus to bend a section of thermoplastic pipe.

Abstract: A method for creating decorative patterns on surfaces of cured concrete blocks includes a plurality of texturing elements secured to one or more rotatable shaft via a plurality of flexible support cables. Upon rotation of the shaft, centrifugal force causes the secured texturing elements to radially extend from the shaft. The blocks are preferably positioned such that the rotating texturing elements repeatedly come into contact with particular surfaces of the blocks, thereby forming a textured or antiqued pattern on such block surfaces. In a particular embodiment, the rotatable shaft is reciprocally moved in a direction parallel to the block surfaces to be patterned, whereby an entire block surface is exposed to the rotating texturing elements.

Abstract: In a brick molding apparatus, the improvement includes a mechanical drive assembly for indexing in predetermined incremental movements a mold adapted to receive and shape clay slugs into green bricks. The drive assembly includes a conveyor for carrying the mold in the brick molding apparatus. A drive gear is mounted on a drive shaft and defines a plurality of circumferentially-spaced teeth and radially-extending slots. The drive shaft is operatively connected to the conveyor. A drive lug is adapted for movement into and out of a selected one of the plurality of slots formed in the drive gear. A gear actuator is adapted for moving the drive lug in a rotational direction relative to the drive shaft. When the drive lug is positioned in the selected slot of the drive gear, the gear actuator causes rotation of the drive gear and drive shaft thereby indexing the conveyor and mold.

Abstract: In order to increase the output, a device for producing ground meat patties of beef and/or pork comprises a shaping plate that can be moved out of a filling position in a shaping station into an ejecting position outside the shaping station, the shaping plate having holes that are disposed offset relative to each other in moving direction in two rows, one behind the other, a device by means of which the ground meat can be supplied under pressure via filling slots associated to each hole into the holes on the underside, said holes being covered at the top by means of a ventilation plate, an antilipbar serving to reduce the excess pressure that is disposed in the delivery area of the shaping station and having a continuous longitudinal slit and an ejection device disposed outside the shaping station above the ejecting position of the shaping plate having ejection cups whose quantity and position is coordinated with the holes 24 in the shaping plate.

Abstract: A main burner 22, a pilot burner 25, and a lead-in pipe 29 supplying combustion exhaust to the pilot burner 25 are arranged in a combustion chamber R2. A flame arrester 27 with small holes 27a is provided at a bottom plate 13. Furthermore, a primary thermocouple 26 detecting the flame state of the pilot burner 25 and a secondary thermocouple 28 detecting the temperature in the combustion chamber R2 are connected in series but with opposite polarities. When the flame arrester 27 clogs up with fine particles, the pilot burner 25, which sucks in combustion exhaust, performs abnormal combustion before the main burner 22, which is detected by the primary thermocouple 26 and the secondary thermocouple 28, whereupon the combustion with the main burner 22 is stopped. Thus, incomplete combustion due to blocking of the air supply path can be prevented.

Abstract: A burner for liquid fuel has an electric heating device for start up heating a fuel vaporization chamber to a selected temperature, a flame retention baffle being fitted on the vaporization chamber with a temperature sensor sensing temperature of the vaporization. When the vaporization chamber is heated to a desired temperature of about 350 degrees celsius by deflected hot exhaust gas products from the burner operation and such temperature is sensed, the sensor outputs a signal so that the electric heating device can be shut down, vaporization chamber heating then being maintained by the deflected hot exhaust gas flow.

Abstract: A disposable piezoelectric lighter includes a piezoelectric unit disposed in a casing for generating piezoelectricity and a resilient element for applying a press resistance to the piezoelectric unit. The piezoelectric unit includes a base body and a plunger body, having an enlarged plunger head, upwardly extended from the base body. The resilient clement, coaxially mounted on the plunger body, has two ends biasing against a bottom side of the plunger head and a ceiling of the base body. The press resistance of the resilient element is an additional force added to the piezoelectric unit. Therefore, the additional force is adapted for resisting a downwardly pressing force applied by an under age child on an ignition button while an adult is capable of pushing down the ignition button to ignite the disposable piezoelectric lighter.

Abstract: A piezoelectric lighter incorporates with a safety lock which includes an ignition cap slidably mounted on the casing in a radially movable manner, a blocking stopper supported in the ignition cavity, a locking member including a locking latch disposed the ignition cavity and extended to a position that the locking latch is blocked by the blocking stopper, so as to lock up the ignition cap from ignition. To unlocked the safety lock, the locking latch is moved away from the blocking stopper so as to release the blocking up of the ignition cap with respect to the blocking stopper, so that the ignition cap is capable of being slid sidewardly and downwardly to ignite the piezoelectric lighter.

Abstract: A process for installing a refractory burner block in a glass furnace crown, wherein the glass furnace crown comprises a second refractory material different than the burner block refractory, includes installing a refractory crown block in the furnace crown, wherein the crown block refractory is compatible with the burner block refractory and the second refractory material, wherein the crown block is provided with a hole for accepting the burner block; and disposing the burner block into the crown block hole in sealing engagement therewith.

Abstract: The present invention relates generally to a heat treatment system and method for heat-treating an object to be treated. Particularly, the invention relates to a heat treatment system wherein an object to be treated is carried in a reaction vessel, which has been pressure-reduced to a predetermined degree of vacuum and the interior of which is heated to a predetermined process temperature, and a process gas is supplied into the reaction vessel via a gas feed passage to process the object.

Abstract: A refractory vessel comprising a metal shell having a generally cylindrical portion and an upper hemispherical dome. A refractory liner has a cylindrical portion spaced inwardly from the cylindrical portion of the metal shell and a hemispherical portion spaced inwardly from the dome. The hemispherical portion has a plurality of layers of refractory brick forming successively higher and lesser diameter rings. At least a portion of the rings have mating keys and keyways to restrain the layers of bricks in a vertical direction.

Abstract: The invention concerns metallic orthodontic attachments, accessories and auxiliaries, new or recycled, surface treated with a platinum metal ion coating. But every metallic piece coming into direct contact with saliva is concerned by the invention. The deposits concern the whole surface of the metal coming into direct contact with saliva at least and are vapour deposited under vacuum or preferably by electroplating on an adhesive undercoat of fine gold. Said metal coats provide aesthetic and mechanical improvement with respect to prior art and above all medical improvement, since apart their discreet whiteness, close to that of teeth, they are reputable more noble than gold and can be implanted by surgery; they form a barrier to the allergenic nickel, cobalt and chromium ions and to toxic silver, tin, copper, aluminium and particularly cadmium ions sometimes alloyed in solders.

Abstract: A method and apparatus for treating an orthodontic patient include processing that begins by generating digital information regarding the orthodontic patient by a site orthodontic system. The site orthodontic system then transmits the digital information to an orthodontic server, which creates an electronic patient record therefrom. The orthodontic server then generates an initial treatment from the electronic patient record, wherein the initial treatment plan includes precise steps to obtain a desired orthodontic structure. The orthodontic server then transmits a digital version of the initial treatment plan to the site orthodontic system. Upon confirmation from the site orthodontic system, the orthodontic server designs an orthodontic apparatus for one of the precise steps based on the treatment plan. The orthodontic apparatus is then fabricated and provided to the site orthodontic system.

Abstract: The present invention suggests an apparatus for simulating the ambient color and translucence conditions present in the oral cavity of a patient for the purpose of checking the color stimulus specification of dentures prior to their implanting into the oral cavity of a patient. The apparatus comprises an artificial jaw portion including a dimensionally stable, elastic artificial gum body portion simulating at least the vestibulary gum of a patient in which the teeth are inserted. The artificial gum body portion is made of a translucent material. The teeth can be individually replaced by dentures. The color stimulus specification of a denture inserted into the apparatus is checked by means of a color stimulus specification measuring apparatus and compared to the values obtained from a measurement taken in the oral cavity of a patient.

Abstract: A method for isolating a dental implant after obtaining an impression of the abutment portion of the implant or an impression housing mounted on the implant during the period of time required to fabricate a permanent dental appliance or for osseointegration of the dental implant to the jawbone to take place. The method utilizes a housing to encapsulate the implant abutment so as to isolate the implant and occlude the area proximate to the housing to prevent gum tissue incursion about the implant. The housing releasably interconnects with the implant by resiliently attaching to the implant in a snap fitting relationship to an annular ridge on the implant. The housing can be provided with a mechanism for facilitating removal of the housing from the implant and be utilized as a form or base for mounting a temporary dental appliance to the implant.

Abstract: A magnetic attachment used for retaining a dental prosthesis, comprising a male part which may be fixed to an abutment and a female part which may be fixed to said dental prosthesis. The male part of the magnetic attachment includes a head portion, which may be attached to the female part, and a fixing member used for fixing the male part to said abutment. The female part includes a cap portion having a cover portion for covering the male part.

Abstract: Impression copings used to take an impression of local dentition are attached to a platform. This platform also can include a reinforcing member for stiffening the impression of the local dentition.

Abstract: The invention is a novel book design and structure especially adapted for children, having at least two sections, each of which can be opened independently of others and more than one section can be opened at once, and which sections are connected by hinges along different edges of the pages, and each section may be read at a different orientation to the previous section.

Abstract: An educational system for teaching individuals their emotions employs a multiplicity of sets of faces. Each set of faces expresses a different emotion experienced by individuals from time to time. The sets of faces have facial expressions correlated to the different emotions. There are a plurality of states of the particular emotion that are expressed in the facial expressions of each set of faces. The states defined for each of the different emotions are subdued, normal and exaggerated states. The facial expressions on the faces employ certain facial features to express the particular emotions, namely, eyes, eyebrows, a mouth and a nose. These facial features are enclosed in a facial circle. The sizes of these facial features relative to the facial circle change from one state of a particular emotion to another and are smallest in the subdued state, largest in the exaggerated state and inbetween and balanced in the normal state.

Abstract: A hand held apparatus for prompting and or teaching the recitation of prayers associated with the Rosary including a highly decorative and compact electronic, battery-powered instrument that may be worn as decoration and held in the user's hand for easy operation, the apparatus having audio and prayer tracking capability utilizing a microprocessor for controlling a plurality of miniature lights clustered around a large centrally located sequencing button in conjunction with a voice message used to prompt the user by audibly reciting the first portion of a prayer, thereby eliciting a response by the user for the remaining portion of the prayer before continuing stepping through the sequential prayers of the Rosary. The apparatus is further distinguishable by a decorative cross serving as the power on and reset switch, the cross having lights at each point which are sequenced on initial activation to make the sign of the cross with lights.

Abstract: A computerized method for providing a meaningful response in an intelligent tutor. The method includes the steps of receiving an input from a user solving a problem and determining if the input violates at least one consistency rule. The consistency rules are rules implemented to allow a constraint of the input to be evaluated and compared to a fundamental rule set for the problem. The fundamental rule set includes a plurality of principles that impose the constraints on a resulting solution. A student's mistake is applied to the consistency rules to allow the artificial intelligence program to respond to the answer by either providing a necessary principle overlooked by the student, or allows the program to, at a minimum, generate feedback to say something educationally useful to the student. This can be done even when buggy rules have failed to match and provide a rationale for the mistake.

Abstract: A system and method for applying standards to adapt generic educational materials for use in different states and regions is provided. The system includes the use of an interactive player that includes storage for a series of video, audio and text assets. This storage typically takes the form of a DVD disk. The assets stored on the DVD disk are generic, meaning that they are broadly applicable to a range of different locales. The interactive player determines its operating location by querying its user (typically a teacher). The interactive player uses that location to perform a web search. The web search returns a list of URLs, each corresponding to a web page containing an educational standard relevant to the operating location. The teacher uses these web pages to adapt lesson plans to the particular operating location. The teacher can then use the interactive player to present interactive multimedia and region specific lessons.

Abstract: An electrical connector assembly is provided for that includes two groups of circuit boards that mate with, or connect to, one another in an orthogonal, or non-parallel manner. The electrical connector includes a plurality of circuit boards; a first connector housing including channels adapted to retain the first group of the circuit boards; a second connector housing also including channels adapted to retain the second group of the circuit boards; and a board interface located between the first and second connector housing. The board interface is formed as part of one of the first and second connector housings. The board interface includes opposing mating faces of the first and second groups of circuit boards that join the first group of circuit boards in a non-parallel relationship to the second group of circuit boards. Preferably, the circuit boards are joined orthogonally. The first connector housing may be a header, while the second connector housing may be a plug, or vice versa.

Abstract: A for memory cards comprises a base part and four guide piece sections. The base part is an integrated casing made by way of injection molding and provides a longitudinal spacing wall and two transverse partitions between an upper wall and a lower wall and between two lateral walls of a rear wall thereof respectively based on the width and the height of each of different types memory cards such that the front side thereof is formed with four slot sockets. Each of the slot sockets is provided with a plurality of grooves or engaging recesses corresponding to the number of signal terminals on the respective memory card. The guide piece sections are corresponding to the slot sockets respectively and each of the guide piece sections is located in and fixed to the corresponding one of the slot sockets and is composed of metal guide pieces corresponding to the number of the grooves and the engaging recesses. The metal guide pieces are bent and inserted into the grooves and the engaging recesses.

Abstract: A contact structure for establishing electrical contact with contact targets. The contact structure is formed of a contact substrate and a plurality of contactors in which each of the contactors has a hook shape. The contactor has a tip portion which is protruded in a vertical direction to form a contact point, a base portion which is inserted in a through hole provided on the contact substrate in such a way that an end of the contactor functions as a contact pad for electrical connection at a bottom surface of the contact substrate, and a curved portion provided between the tip portion and the base portion which produces a contact force when the contactor is pressed against the contact target. In another aspect, the contactor has a loop shape.

Abstract: The present invention is a cost effective module that provides high performance, high density and highly reliability interconnections needed between the various circuit devices that form a functional system or a part of a larger system. It includes circuit members having high speed, impedance-controlled transmission line signal paths, short land grid array interconnections between circuit members and, optionally, driver line terminators built into one of the circuit members, for maintaining high electrical performance. Suitable applications include mainframe computers, workstations, telecommunications networks, or other electronic equipment. The circuit members may be formed on conventional printed circuit cards with unpacked or packed circuit devices attached directly to the circuit members. Thermal control structures may be included to maintain the circuit devices within a reliable range of operating temperatures. A clamp is also included.

Abstract: An electrical connector with a plurality of contacts is provided wherein it offers improved contact reliability of a contact arm portion with a circuit board and allows for a longer arm length of the contact arm portion for a length along a horizontal direction of the housing. First and second resilient contact arms 12A, 12B extending in parallel to each other substantially obliquely from a first end of a base toward and above a second end of the base 11. Contact portions 13c, 14c at respective free ends of the contact arms, the contact portions are configured to insure that an electrical connection is made and maintained with a circuit board mounted thereon. The positions of the fixed end of the first and second resilient contact arms 12A, 12B are offset in horizontal and vertical directions to allow the contacts to have the resiliency required while minimizing the dimensions of the housing.

Abstract: This invention provides a method for producing an adapter for use with an LGA device. The method includes providing a flexible substrate having a conductive base layer. The method also includes forming a plurality of openings through the flexible substrate. The method further includes defining on the flexible substrate a plurality of vias extending through the openings in the flexible substrate, a plurality of conductive pads electrically connected to the vias, and a plurality of conductive paths extending between adjacent pads, wherein spaces are defined between the pads and the paths to prevent direct contact between the pads and the paths, each of the paths being connected to at least one of a plurality of peripheral pads provided on the flexible substrate. The conductive base layer substantially covers a portion of the substrate surface area.

Abstract: An electrical connection of a transfer station releasably, repeatably electrically couples with respect to a matching connection of a portable cartridge. A substrate in the portable cartridge has electrical contacts on a facing surface. In the transfer station, a matching circuitized flexible substrate has electrical contacts on a facing surface thereof, which are arranged to match the portable cartridge electrical contacts when in a face-to-face relationship. An elastomeric compression element, at the rear of the matching substrate, has individual protruding compression members contacting the rear surface and registered with corresponding individual electrical contacts. Elongated electrical contacts are registered with two adjacent individual compression members.

Abstract: An electrical connector assembly (1) has first and second electrical connectors (10) mated with each other. Both connectors have an identical configuration. Each connector comprises an insulating housing (11) and a plurality of identical terminals (12) received in the insulating housing. The insulating housing comprises a base portion (111), a first and second side walls (112, 113) extending upwardly from opposite lateral sides of the base portion. The second side wall defines a slot (1130) dimensioned corresponding to the first side wall. The first side wall of one of the two electrical connectors is inserted into the slot of the other electrical connector. Each terminal has a mating portion (123) comprising a first curved portion (1231) and a second curved portion (1232). The first and second curved portions of one electrical connector engage with the second and the first curved portions of the other electrical connector.

Abstract: A computing system includes a number of circuit cards fastened by brackets to a slotted panel, which has slots allowing the attachment of external cables to the circuit cards. Electrical grounding between the slotted panel and the brackets is achieved through the use of a conductive gasket extending along an inner surface of the slotted panel. The conductive gasket includes a central web, a number of contact bumps extending from the central web to the slotted panel, and a number of contact bumps extending from the central web to the brackets. Contact bumps thus extending in opposite directions are placed in alternating positions along the central web, so that the central web is deflected as the contact gasket is compressed.

Abstract: A shielded cable assembly contains a hardpoint that resists damage arising from possible collapse of the shielded cable assembly under strong compressional forces that are exerted by a clamp assembly in the form of a separable block having first and second opposed members. The hardpoint contains a conduit that protects a data transfer line or cable bundle by compressing electromagnetic shielding between the conduit and the clamp assembly.

Abstract: An electrical connector is provided that includes first and second housings. The first and second housings are matable with one another to join corresponding electrical contacts. The first and second housings are movable between initial and final positions, at which corresponding electrical contacts partially and fully mate, respectively. The electrical connector includes a lever member having cam arms that engages the first and second housings. The cam arms move the first and second housings between the initial and final positions as the lever member is rotated. The first housing has deflectable ledges that retain the cam arms in a fixed position when the electrical connector is in the initial position thereby limiting movement of the lever member. The second housing has rails that align with and deflect the deflectable ledges away from the cam arms as the first housing is moved from the initial position into the second housing.

Abstract: A plug ejector for ejecting an electrical plug from an electrical power supply socket comprises an electronic device having a controller that monitors and senses electrical power supply characteristics and a solenoid, which operates an ejector member to separate the plug from the socket when predetermined sequence in rapid changes in electrical power supply characteristics are sensed. The plug ejector can be incorporated into an electrical appliance or extension power cord electrical plug, which plugs into and is ejected from a conventional power supply socket. It can also be mounted in an adaptor, which receives an appliance or extension cord plug and ejects the adapter from a conventional power supply socket. It can also be incorporated into a module, which is semi-permanently plugged into a conventional power supply socket or incorporated into a wall or other power supply socket.

Abstract: An interconnect apparatus for electrically connecting Telco wires to subscriber wires is arranged and configured to withstand overcurrent and overvoltage conditions. The interconnect apparatus includes a jack, a first set of contacts, and a first set of by-pass conductors. The first set of by-pass conductors is electrically connected to the first set of contacts and has a greater current carrying capacity than the first set of contacts. The interconnect apparatus further includes a second set of by-pass conductors and a plug. The second set of by-pass conductors is electrically connected to the first set of by-pass conductors when the plug and jack are engaged. The second set of by-pass conductors may also have a greater current carrying capacity than the first set of contacts. Preferably, the first set of by-pass conductors is spaced sufficiently apart and the second set of by-pass conductors is spaced sufficiently apart to substantially eliminate arcing.

Abstract: A socket connector (1) includes an insulating housing (10), a shell (20) assembled to the housing, a plurality of terminals (30, 31), a plurality of resilient contacts (41, 42), a slide (50) and a resilient element (60). The slide contacts with selected different terminals when it is drawn by one of the resilient contacts. The resilient element is positioned between a side wall of the housing and at least one of the resilient contact for increasing the contact force of the resilient contact on an inserted audio plug.

Abstract: A modular electrical system kit interconnects a plurality of electrical wires of a power entry to at least one electrical outlet. The modular electrical system kit includes a plurality of circuit selectors, with each circuit selector being configured for interconnecting a respective selected combination of power entry wires to the at least one electrical outlet.

Abstract: The present invention provides an IC socket with two point-contacts which restricts the tracks of contacts contacting with a lead terminal of an IC package. The IC socket with two point-contacts has a pair of contact portions that move forward and backward in response to the vertical movement of a cover. When the pair of contact portions move forward, a lead terminal of an IC package is sandwiched between the pair of contact portions, which have their movement restricted by a contact track cam and contact with the lead terminal under uniform contact force without abutting against an end of the lead terminal or deforming the lead terminal.

Abstract: A socket of the invention includes a socket body, a plurality of contacts respectively having a movable piece and a stationary piece, a slidable contact moving member and a lever having a pushing portion and a pressing member. A plurality of contact displacing portions of the contact moving member are respectively positioned between the movable and stationary piece of each contact. The contact moving member is urged to prevent the contact displacing portion from moving each movable piece. The pressing member includes a curved fulcrum portion and an operating portion curved oppositely to the fulcrum portion. A first restricting portion of the socket body is in contact with the fulcrum portion and a second restricting portion of the contact moving member can be in contact with the fulcrum portion. The operating portion of the pressing member abuts to the contact moving member.