Abstract: A battery assembly includes: a receptacle connector including a receptacle contact with a bolt hole for bolting formed therein, a receptacle housing attached to the receptacle contact; a battery having an upper surface on which the receptacle contact of the receptacle connector is attached by the bolting, and a right side surface roughly perpendicular to the upper surface. The receptacle housing of the receptacle connector is formed so as to extend in an elongated shape along the tangent direction of an imaginary circle C centered on the central axis of the bolt hole of the receptacle contact of the receptacle connector as viewed in the central axis direction of the bolt hole, and is capable of coming into contact with the right side surface of the battery at the time of the bolting.

Abstract: A plug includes a plurality of plug contacts arranged in a row and a plug housing. The plurality of plug contacts each include first bending portion and the like. The first bending portions and the like are aligned in a direction where the plurality of plug contacts are arranged. The receptacle includes second metal parts and a receptacle housing. When the plug and the receptacle are mated, the plurality of plug contacts of the plug are brought into contact with the plurality of respective second metal parts of the receptacle. When the plug contacts are brought into contact with the respective second metal parts, each of the second metal parts exerts a resistance force against pull-out of the plug from the receptacle. An auxiliary metal fitting exerts a resistance force with different magnitude from the magnitude of the receptacle contact.

Abstract: Provided is a technique for achieving a narrower pitch without causing any problem in terms of contact force and strength at each contact point. A socket includes a frame body including an outer peripheral frame and a plurality of elongated slit frames arranged in parallel with each other on the inside of the outer peripheral frame; a plurality of contact blocks inserted between the adjacent slit frames and held on the frame body; and a reinforcement frame formed separately from the frame body and mounted on the frame body so as to intersect the slit frames.

Abstract: Provided is a wire-to-board connector including a plug attached to a wire, and a receptacle mounted on a circuit board. The plug and the receptacle are formed of metal. The plug is fitted into the receptacle to electrically connect the wire to the circuit board. The receptacle has an accommodating portion formed in a tubular shape. The plug has an inserted portion to be inserted into the accommodating portion of the receptacle. The inserted portion includes a body plate and an elastic piece elastically supported in a cantilevered manner by the body plate. The elastic piece of the inserted portion has a free end. The accommodating portion has an engaged portion. When the inserted portion is inserted into the accommodating portion, the free end engages with the engaged portion along with an elastic deformation of the elastic piece, thereby allowing the plug to be fitted into the receptacle.

Abstract: A receptacle connector includes a receptacle contact capable of coming into contact with a receptacle contact of a plug connector, and a receptacle housing having a contact insertion hole into which the receptacle contact is inserted. The receptacle contact includes a held portion that is accommodated in the contact insertion hole and is held by the receptacle housing, and an orthogonal portion projecting in a direction substantially orthogonal to an insertion direction. The orthogonal portion has a bolt hole formed therein. The receptacle connector further includes a displacement regulating mechanism that regulates displacement of a proximal end portion relative to the receptacle housing in a width center direction.

Abstract: A receptacle connector includes a receptacle contact corresponding to a plug contact, a receptacle housing that holds the receptacle contact, and an assistant fitting attached to the receptacle housing, and is mounted on a connector mounting surface of a circuit board. The assistant fitting includes at least a held portion, a fixing portion, and a vertical displacement regulating portion. The held portion is a portion that is held by the receptacle housing. The fixing portion is a portion that is hooked to the plug housing to thereby fix the plug connector to the receptacle connector. The vertical displacement regulating portion is a portion that regulates a displacement of the fixing portion in a direction away from the connector mounting surface of the circuit board.

Abstract: A terminal temporary holding structure includes: winding terminals each including a winding-side spot-welded portion having a flat plate shape; a terminal holding base that holds the winding terminals; and cable terminals each including a cable-side spot-welded portion having a flat plate shape and respectively connected with external cables. The cable terminals are temporarily held by the terminal holding base in such a manner that the winding-side spot-welded portion and the cable-side spot-welded portion are opposed to each other, so as to weld the cable-side spot-welded portion of each cable terminal to the winding-side spot-welded portion of each winding terminal The cable terminals are temporarily held by the terminal holding base at at least two locations that sandwich the cable-side spot-welded portion.

Abstract: A plug side surface of a plug housing is provided with a claw portion. The claw portion includes a plug lock surface facing in a direction away from a connector mounting surface. Each assistant fitting of a receptacle connector includes a receptacle lock surface that faces in a direction approaching the connector mounting surface and is opposed to the plug lock surface in a mated state. The plug lock surface includes a lock maintaining surface and an unlocking surface. Further an angle formed between a reference plane and the lock maintaining surface is a lock maintaining angle and an angle formed between the reference plane and the unlocking surface is an unlocking angle, the lock maintaining angle is smaller than the unlocking angle.

Abstract: A wire-to-board connector includes a plug attached to an electric wire and a receptacle mounted on a substrate. The plug and receptacle are formed by bending a metal plate. The electric wire is electrically connected to the substrate by fitting the plug with the receptacle. The receptacle includes an accommodating section formed in a tubular shape. The plug includes an insertion section to be inserted into the accommodating section. The insertion section has a claw and the accommodating section has an engaging surface. By inserting the insertion section into the accommodating section, the claw is engaged with the engaging surface and the plug is fitted with the receptacle. The claw and the engaging surface are configured so as to prevent a pull-out force acted on the electric wire from acting to disengage the engaged state between the claw and the engaging surface.

Abstract: A stator of a resolver includes a stator body including multiple magnetic pole portions; multiple stator windings respectively wound around the magnetic pole portions; multiple terminal pins each including a stator winding connecting portion around which the corresponding stator winding is wound; and an external cable connecting portion to be connected with an external cable; and a terminal pin holding portion that holds the terminal pins. The stator winding connecting portion of each terminal pin is formed in a double layer by folding a metal piece and has a fold formed when the metal piece is folded. The fold of the stator winding connecting portion of each terminal pin is formed along a longitudinal direction of the stator winding connecting portion.

Abstract: A wire-to-board connector includes a plug which is attached to a wire, and a receptacle which is mounted on a connector mounting surface of a board. The plug and the receptacle are each formed of metal, and the plug is mated with the receptacle to thereby connect the wire to the board. The wire-to-board connector has the following structure. A wire direction corresponding to a longitudinal direction of the wire in the vicinity of the plug when the plug is mated with the receptacle is parallel to the connector mounting surface of the board. A mating direction in which the plug is mated with the receptacle is a direction approaching the connector mounting surface of the board.

Abstract: Provided is a connector that can be firmly mounted on the substrate. A plug connector is mounted on a plug substrate while making a metal plate function as a plurality of contacts by an insulting layer formed on the metal plate and a plurality of conductive patterns formed on the insulating layer. A plurality of protrusions that protrude toward the plug substrate are formed on a substrate opposing surface, which is a surface opposite to the plug substrate. The plurality of conductive patterns are formed to respectively overlap the plurality of protrusions.

Abstract: A receptacle used to be mounted on a receptacle-side substrate includes: a frame body; a plurality of cantilevers formed to extend from the frame body and including a substrate separating portion extending in a direction away from the receptacle-side substrate; a contact cover disposed on an opposite side of the receptacle-side substrate with the substrate separating portion of the plurality of cantilevers interposed therebetween, and covering the substrate separating portion of the plurality of cantilevers; and a plurality of conductive patterns formed above the plurality of cantilevers with an insulating layer interposed therebetween. The frame body forms a plug accommodating space for accommodating a plug. The plug accommodating space is formed so as to surround the substrate separating portion of the plurality of cantilevers.

Abstract: A plug includes a plurality of plug contacts arranged in a row and a plug housing. The plurality of plug contacts each include first bending portion and the like. The first bending portions and the like are aligned in a direction where the plurality of plug contacts are arranged. The receptacle includes second metal parts and a receptacle housing. When the plug and the receptacle are mated, the plurality of plug contacts of the plug are brought into contact with the plurality of respective second metal parts of the receptacle. When the plug contacts are brought into contact with the respective second metal parts, each of the second metal parts exerts a resistance force against pull-out of the plug from the receptacle. An auxiliary metal fitting exerts a resistance force with different magnitude from the magnitude of the receptacle contact.

Abstract: Provided is a technique for improving connection reliability. A contact part that contacts with a detecting male contact is formed in a detecting collision spring piece. The detecting male contact includes a contact surface that contacts with the contact part. The detecting collision spring piece is elastically deformed in advance so that a gap is formed between the contact part and the contact surface when the contact part is opposed to the contact surface in a height direction. When an elastic deformation force that elastically deforms the detecting collision spring piece is released, the contact part contacts with the contact surface with collision against the contact surface due to a spring restoring force of the detecting collision spring piece. A locus of the contact part just before the contact part collides with the contact surface is oblique with respect to the contact surface when seen from a mate direction.

Abstract: A laser welding structure that is formed by joining a stranded wire (wire) of a signal line and a welding portion (conductive metal plate) by locally applying a laser beam and thereby melting and solidifying the stranded wire of the signal line and the welding portion has the following features. That is, the melting point of the stranded wire of the signal line and the melting point of the welding portion are different. The laser welding structure is obtained by applying a laser beam to one of the stranded wire of the signal line and the welding portion that has a higher melting point, i.e., to the welding portion having a higher melting point.

Abstract: A shell of a modular jack includes soldered terminal portions connected to a substrate. The soldered terminal portions include first soldered terminal portions and second soldered terminal portions. The first soldered terminal portions are formed to extend toward the substrate from first side wall portions folded from a front surface of the housing toward a right-side surface and a left-side surface. The second soldered terminal portions are formed to extend toward the substrate from second side wall portions folded from an upper wall portion toward the right-side surface and the left-side surface of the housing, the upper wall portion being folded from the front surface of the housing toward a top surface. The first side wall portions and the second side wall portions cover the right-side surface and the left-side surface of the housing.

Abstract: A connector for connecting an FFC to a substrate includes a plurality of signal contacts, a ground contact, and a housing. The signal contacts are arranged to come into contact with signal terminals of the FFC. The ground contact comes into contact with the ground terminal of the FFC. The housing holds the plurality of signal contacts and the ground contact. A first distance from an end of the housing to a contact point of each signal contact with each signal terminal is set to be substantially equal to a second distance from an end of the housing to a contact point of the ground contact with the ground terminal. The first and second distances are measured along a direction in which one of the FFC and the FPC is inserted into or removed from the connector.

Abstract: Provided is a housingless connector in which a plurality of cantilevers arranged in a comb shape and functioning as contacts is hardly damaged. A receptacle connector (housingless connector) is formed of a single metal plate and used to be mounted on a receptacle-side substrate. The receptacle connector includes a plurality of cantilevers arranged in a comb shape and functioning as contacts, and an outer frame body surrounding the cantilevers. The outer frame body includes a pair of side plates sandwiching the cantilevers in a direction parallel to a connector mounting surface of the receptacle-side substrate, and a top plate disposed on an opposite side of the receptacle-side substrate with the cantilevers interposed therebetween.

Abstract: A board-to-board connector includes a receptacle connector and a plug connector. The receptacle connector includes a plurality of beam parts having a metal plate and an insulating layer formed on the metal plate and a plurality of conductive patterns formed on the insulating layer of the plurality of beam parts. The plug connector includes a beam contact part having a metal plate and an insulating layer formed on the metal plate and a plurality of conductive patterns formed on the insulating layer of the beam contact part. A beam projection is formed between the adjacent conductive patterns of the plug connector, and the beam projection is inserted between the adjacent beam parts of the receptacle connector when the receptacle connector and the plug connector are mated.