Abstract: An electrical plug includes at least one contact prong defining a longitudinal axis, and a carrier plate having an aperture for receiving the contact prong. The contact prong is provided in the direction of the longitudinal axis with a first stop and a second stop, which acts in opposition to the first stop, for force-fitting engagement of the contact prong with the carrier plate.

Abstract: The present invention relates to a USB flash drive includes a mobile storage device and at least one interconnector. The mobile storage device is provided with a built-in circuit board having a connector at one end thereof. The connector is in connection with a controller and a flash memory to create an electrical connection. Moreover, the connection interface of the connector juts outside the housing. The interconnector includes a socket at one end thereof which corresponds to the connector of the mobile storage device. The outer end of the interconnector is constructed as a USB interface fastened into the inside of the housing. Besides, the outer end of USB interface juts outside the housing.

Abstract: A power cord assembly for a welding-type power supply includes a power cord and a plurality of adaptors. The power cord is adapted for attachment to the welding-type power supply and is capable of providing any of a plurality of input voltage signals to the welding-type power supply via the plurality of adaptors.

Abstract: A power converter includes a transforming unit having pins outwardly projecting from the transforming unit, and a socket. An adapter in the power converter includes a first plug mounted on a first side of the adapter, and a second plug mounted on a second side of the adapter, wherein the socket on the transforming unit receives the first plug or the second plug. Pin cavities on the first side of the adapter, opposite to the second plug, provide a contact to receive the pins to allow the transformer unit to convert an input voltage to an output voltage. Pin cavities on the second side of the adapter, opposite to the first plug, provide a contact to receive one of the pins of the transformer unit to allow the transformer to convert the input voltage to the output voltage.

Abstract: A trailer connector to which a conventional connector from a tractor can be attached includes an electrical housing assembly and a lid and connector assembly. The electrical housing assembly includes a non-conductive housing which is mounted to the trailer and a plurality of conductive studs, a plurality of conductive terminals, and a non-conductive cap mounted within the housing. The cap has a plurality of passageways provided therein. Each terminal has a first end connected to a respective one of the studs and a second end which is in communication with a respective one of the passageways through the cap. A conventional wiring harness is attached to the studs. The lid and connector assembly includes a lid portion which is attached to the housing and a connector portion which is capable of being connected to and removed from the lid portion. The connector portion includes a plurality of pins which extend therethrough and interface with the cap.

Abstract: The present invention relates to an plug-in type electric interconnecting system.

Abstract: Described is a plug prong comprising a blade and an anchor where the blade has a section cut from one or both sides of the blade. The cut out section is replaced by plastic and the anchor is covered by plastic except for the electrical contact area. The invention provides increased protection against electrocution of a child.

Abstract: An electrical plug assembly includes a secondary plug assembly which releasably mates with a rotatable default plug assembly. The default plug assembly is moveable between a storage position and a deployed position and includes a plurality of default prongs of a first physical configuration. A casing associated with the default plug assembly includes a recess for receiving the default plug assembly in the storage position. The distinct secondary plug assembly includes a main body and a plurality of secondary prongs of a second physical configuration extending from the front of the main body. The secondary plug assembly attaches to the default prongs to assume a mated position, such as by sliding the secondary plug assembly rearwardly over the default prongs. A suitable latch and catch arrangement is used to releasably secure the secondary plug assembly to the default plug assembly. Preferably, the only connection between the secondary plug assembly and the casing is via the default plug assembly.

Abstract: A power transformer is described comprising a housing with a catchment on its face and a catchment on its side and an adapter plug whose back side fits over the face and the side of the housing. The adapter plug has a projection on its face, and a projection on its side which includes a ridge at the distal end. The projection on the face of the adapter plug fits into the catchment on the face of the housing, and the projection on the side of the adapter plug fits into the catchment on the side of the housing and is restrained therein. The face of the adapter plug comprises a plug configuration selected from the group consisting of international electrical plug configurations.

Abstract: An adapter system comprising an adapter with plug prongs on its front face and apertures on its back face, and adapter contacts within it, and a power supply with power supply prongs disposed outwardly, which prongs have undercuts at their distal ends; where the power supply contacts can be inserted into the apertures of the adapter, and the adapter is then rotated around the axis of insertion, mechanically securing the adapter to the power supply and simultaneously making electrical contact between the adapter and the power supply.

Abstract: An electric plug plate having two symmetrical power blade mounting zones and a grounding prong mounting zone between the power blade mounting zones, a plurality of power blade mounting holes and grounding prong mounting holes respectively disposed at the power blade mounting zones and grounding prong mounting zone, two first metal mounting plates and a second metal mounting plate respectively mounted in respective back recesses thereof and having threaded power blade mounting holes or grounding prong mounting holes corresponding to the power blade mounting holes and grounding prong mounting holes at the power blade mounting zones and grounding prong mounting zone for mounting a pair of metal contact blades and a grounding prong subject to one of a variety of electric plug specifications.

Abstract: A safety electric socket adapter includes a body having two longitudinal front sliding tracks and two longitudinal rear sliding tracks at two opposite sides, a first metal rack and two second metal racks respectively mounted in the body for receiving the grounding prong and metal blades of one of a set of electric plugs, a face panel and a back board respectively detachably fastened to front and rear sides of the body, the face panel and the back board each having two longitudinal side flanges respectively inserted into the front sliding tracks and rear sliding tracks of the body, the face panel having a grounding plug hole and two power plug holes for receiving the grounding prong and metal blades of one of a set of electric plugs of different specifications and spring-supported gate means forced by respective spring means to automatically close the power plug holes, a first metal plate and two second metal plates respectively mounted in the body and connected to the first metal rack and the second metal rac

Abstract: A charger with replaceable electrical plugs includes a casing 1 comprising a lower casing 11 and an upper casing 12. An electronic power supply circuit 13 is accommodated inside the casing 1. The lower casing 11 has an opening 111 having a replaceable electrical plug 14 pivotally disposed therein to adapt to different specifications of electrical sockets used in different countries. The power supply circuit 13 may convert ac into low voltage dc for use by small electrical appliances. The upper housing 12 is provided with a tubular recess 122 pivotally provided with a cigarette lighter plug 15 which may fit into a car's cigarette lighter socket. The power supply circuit 13 may transform the car's high voltage dc into low voltage dc to provide electric power outdoors. Different replaceable electrical plugs 14 and 14' allow the charger device to be adapted for use in various different countries, which use various different power outlet structures.

Abstract: An adapter with interchangeable plug board (3) that can be easily interchanged for various types of receptacles is provided. The adapter includes a casing (1), a cover (2), and a plug board (3). The casing (1) is formed with first insetting means such as a plurality of slots (13, 14b, 14c). In addition, an upright slide slot (16) is formed on one sidewall of the casing (1). A sliding piece (17) is slidably inset in the slide slot (16). The sliding piece (17) is formed with a stop tongue (170) on the top and is lockable at least at a top position and a lower position. The plug board (3) has a base board (30) and a plurality of plug pins (31) erected thereon. Further, the base board (30) is formed with second insetting means such as a plurality of tongues (33, 34) for forming a tongue-and-slot joint with the first insetting means on the casing (1). A stop slot (35) is formed near the rear edge of the base board (30).

Abstract: A multi-functional charging device generally includes a housing having a lower housing and an upper housing. An electronic switching circuit is disposed within the housing. The lower housing is provided with an opening which has an inner housing socket attached to it. A pair of conducting plates in contact with the electronic switching circuit are attached to the inner housing socket. The inner housing socket is provided with a sliding socket and a coil spring is disposed between a sliding socket and the inner housing socket. The sides of the inner housing socket have a half shaft seat. The sides of the opening of the lower housing have a circular cutout. A pivoting hole is formed by the combination of the half shaft seat, the circular cutout and the circular shaft seat. A changeable plug can be received and installed within the pivoting hole. The changeable plug features a conducting terminal which can be contacted with the conducting plates when the plug is extended.

Abstract: A safety socket and plug arrangement in which the socket has a spring-supported safety baffle plate blocking in the plug blade insertion slots, the safety baffle plate being moved out of the plug blade insertion slots when the metal contact blades of an electric plug are inserted into the plug blade insertion slots, or tilted and stopped in place when a child inserts a rod member into one plug blade insertion slot; the plug includes a plug shell and a replaceable plug head detachably coupled to the plug shell for connection to an electric socket.

Abstract: A power connecting device for electrical appliances having two metal prongs for use with standard North American mains outlets; the prongs rotate to fold into a recess in the device. The recess protects the prongs for storage and transport, and is designed to accept slip-on adapters that slide into the recess, surrounding and mating with the folded down prongs and providing connection to the local mains connections in differing international locations.

Abstract: A retrofit unit for replacing conventional incandescent light bulbs with fluorescent tubes. A retrofit ballast and a fluorescent tube receptable are adapted to be used in conjunction with conventional light fixtures, including surface mounted or recessed fixtures. The retrofit conversion from incandescent light sources to fluorescent tubes (or the like) is accomplished without removing or replacing the existing incandescent fixture.

Abstract: A 125 V/250 V safety electric socket device, including a socket body having a set of L pole contact metal plates and a set of N pole contact metal plates respectively connected to 125 V and 250 V power sources, a non-fuse circuit breaker contact metal rod, L-shaped rails defining a crossed sliding way; a cover panel covered on the socket body, having a rectangular center opening, two guide slots respectively extended from the center opening leftward and downwards, and a circuit breaker slot, which receives the non-fuse circuit breaker contact metal rod; a slide moved in the crossed sliding way and marked with a 125 V directional arrow and a 250 V directional arrow, and having two sets of bottom contacts for connection to 125 V and 250 V power sources respectively; a first plug panel and a second plug panel respectively detachably connected to the slide at right angles; wherein when the slide is moved in the direction of the 250 V directional arrow, one set of bottom contacts of the slide are respectively elec

Abstract: A device is described for supplying electrical current to electric appliances, especially mobile appliances. The device has a plug housing (1) equipped with an electric plug which houses the electrical and electronic components supplying the current. To simplify the use of the device with various electric socket configurations, several interchangeable adapter plugs (17) are provided which can be releasably attached to the plug housing (1). Each adapter plug has contact pins which are shaped and arranged according to electric socket configurations used in various countries. The adapter housing has contact springs (20) which are electrically coupled to the contact pins (19) and which contact corresponding current supply contact surfaces (8) carried by the plug housing (1). The plug housing (1) has a recess (2) into which a tongue (8) of an electronic circuit board (6) protrudes and on which the contact surfaces are formed.

Abstract: An electronic connector pin adapter comprises a forward connector pin portion and a rear end portion. The rear end portion comprises a plurality of longitudinally extending retaining fingers carried in electrically connected relation with the connector pin portion and spaced about an open bore for connecting with and retaining an electronic connector pin, typically of different dimension from that of the forward connector pin portion.

Abstract: An IC socket comprising a floating plate having a plurality of through holes and attached to a main body of the IC socket so as to be vertically movable, an adaptor plate having a plurality of through holes corresponding to the through holes of the floating plate and removably attached to the floating plate, intermediate contact members disposed in the through holes of the adaptor plate, and wire-like contact pins fixed to the main body and having free ends inserted into the through holes of the floating plate.This IC socket is capable of mounting two types of IC packages selectively by attaching and removing the adaptor plate and the intermediate contact members to and from the floating plate.

Abstract: A retrofit unit for replacing conventional incandescent light bulbs with fluorescent, high pressure sodium, metal halide or similar light bulbs, tubes or sources. A hardwire ballast is used in conjunction with conventional light fixtures, including recessed fixtures, to permit the retrofit conversion from incandescent light sources.

Abstract: A connector is described of the type that has contacts lying in insulative material in a housing, wherein a separate positioner (24 in FIG. 2) of insulative material is molded about each contact (22) to form a terminal device (20), and the terminal devices can be arranged in a variety of configurations. Each terminal device includes an elongated metal contact with front and rear end portions and a middle, and an insulative positioner (24) molded about the middle. The terminal devices lie in the housing with the molded positioners of adjacent contact devices substantially abutting each other and holding the contact ends in a predetermined pattern, wherein the axes of all terminal devices extend parallel to each other. The middles of the contacts are hollow and include access openings (52 in FIG. 5) into which molding material can flow, so the molded material of the positioner seals the middle of the inside of each contact.

Abstract: An apparatus for mounting a bulb in a reflector opening of a headlight includes tongues which are cut-out and bent-out of a portion of the reflector from which an opening is formed through which a bulb to be mounted thereat is inserted. These tongues engage notches in an edge of a base flange of the bulb in a radial direction to prevent rotation thereof. A holding spring which spans over the flange of the bulb base lies under tension against the flange and urges it against an opening frame of the reflector. The holding spring is attached to the reflector at cut outs in edges of the mounting tongues on opposite sides of the opening. Spring tongues from a middle portion of the holding spring impinge on the bulb base flange.

Abstract: A universal connector assembly having a plurality of interchangeable sleeve members for converting the assembly from a male-type microwave device connector to a female-type microwave device connector and vice-versa. Embodiments of the assembly are used for making connections with coaxial microwave electrical connectors and for use in pin depth gauges.