Abstract: A connector is a configuration assembled into a wire harness for automobile vehicle to dispute electric power, and the connector includes a plurality of busbars and a housing to accommodate these busbars. The housing includes a busbar holding portion at one side thereof, and a terminal accommodation room at the other side thereof to accommodate a terminal that is electrically connected to the busbar. The busbar holding portion includes a pair of clamping plates that clamp the busbar from both sides in a thickness direction thereof. The housing includes a plurality of heat dissipation plates standing vertically from the clamping plates respectively. Also, the heat dissipation plate that is standing from the clamping plate of the busbar holding portion in the upper segment to the busbar holding portion in the lower segment is spaced apart from the clamping plate of the busbar retention plate in the lower segment.

Abstract: A connector includes a first housing, a second housing and a support member. A first terminal having a first connection section is stored in the first housing. A second terminal having a second connection section is stored in the second housing. The support member is provided with a support wall on which an insertion hole is formed, and. The support wall is movable between a temporary position in which the first connection section is supported thereby and a completion position in which the first connection section is inserted into the second connection section. The support member is provided with a first hood section for storing the first housing and a second hood section for storing the second housing. The support wall is integrally formed with the first hood section and the second hood section and partitions the first hood section and the second hood section.

Abstract: A different-item-number detection structure for detecting whether a combination of a connector and a push-in jig is regular, wherein the connector includes a plurality of busbars and a housing including a plurality of busbar accommodation rooms, the housing includes a housing main body formed and an insulation wall to partition an inside of the housing main body to insulate the busbars from each other, the push-in jig includes a jig main body, a plurality of push-in portions provided to protrude from the jig main body for pushing in the busbars, and a detection portion provided in the jig main body and configured to detect whether or not the housing is regular, when the push-in jig is pushed toward the housing, in a case in which the detection portion is not in/in contact with the insulation wall, it is detected that the housing and the push-in jig form a regular/irregular combination.

Abstract: A connector includes a housing, and a lever that is rotatably assembled to the housing. The housing has a frame and a sub-housing that is inserted into the frame. A lever insertion slit, which is formed along an insertion direction of the sub-housing and whose one end on a near side of the sub-housing is open, is formed on the frame. A rotational shaft, which protrudes towards the housing and is inserted into the lever insertion slit to make the lever rotatable with respect to the frame, is provided on the lever. A restricting portion, which is located between the frame and the sub-housing and restricts the lever from being spaced from the frame, is provided on the rotational shaft.

Abstract: A manufacturing method of a sub-muffler outer cylinder is provided. The manufacturing method includes pushing one push roll toward two receive rolls, and then bending a plate-shape workpiece to form the sub-muffler outer cylinder made of a cylindrical-shaped body. A push-in amount in a part of the workpiece corresponding to a corner part of the cylindrical-shaped body is made larger than a push-in amount in a part of the workpiece corresponding to a side part of the cylindrical-shaped body to form the cylindrical-shaped body having a polygonal cross-sectional shape.

Abstract: A connector includes a connector housing to be fitted to a counterpart connector housing, a pair of lock arms integrally formed on the connector housing and configured to be engaged with a pair of connecting engagement portions of the counterpart connector housing to lock a state of the connector housings fitted to each other, a pair of wedge pieces configured to be assembled into a wedge insertion hole in the connector housing so as to be movable from a standby position to an unlocking position in the connector housing, the pair of wedge pieces being configured to release, when the pair of wedge pieces are pressed to the unlocking position, a locking of the connector housings fitted to each other. Each of the wedge pieces and the wedge insertion hole has an asymmetrical front and rear cross-sectional shape.

Abstract: A cover includes a body attached to a housing containing a terminal connected to an electric wire, and that includes an electric wire leading portion, and a lid to be fitted to the body. The cover includes a guide receiving portion on an outer surface of a distal end of one of the lid and the body, and a guide portion on a distal end of the other. The guide receiving portion has an inclined surface inclined toward an inner surface of the guide receiving portion along a fitting direction. The guide portion guides a distal end of the guide receiving portion. The guide portion protrudes outward perpendicularly to the fitting direction. The guide portion has an inclined surface on an inner surface of the distal end of the other of the lid and the body.

Abstract: A manufacturing method of a sub-muffler includes a rectangular tubular body shaping step, a preliminary shaping step, and a diameter reduction shaping step. In the rectangular tubular body shaping step, a plate material is bent and a rectangular tubular body having a rectangular shape in cross section is thereby formed. In the preliminary shaping step, ends of the rectangular tubular body are preliminarily formed and the end parts of the tubular body are thereby formed so that its cross-sectional shape becomes a circular shape. In the diameter reduction shaping step, the diameters of the ends of the rectangular tubular body are reduced.

Abstract: A connector includes a connector housing to be fitted to a counterpart connector housing, a pair of lock arms integrally formed on the connector housing and configured to be engaged with a pair of connecting engagement portions of the counterpart connector housing to lock a state of the connector housings fitted to each other, a pair of wedge pieces configured to be assembled into a wedge insertion hole in the counterpart connector housing so as to be movable from a standby position to an unlocking position in the counterpart connector housing, the pair of wedge pieces being configured to release, when the pair of wedge pieces are pressed to the unlocking position, a locking of the connector housings fitted to each other. Each of the wedge pieces and the wedge insertion hole has an asymmetrical front and rear cross-sectional shape.

Abstract: A cover includes a body attached to a housing containing a terminal connected to an electric wire, and that includes an electric wire leading portion, and a lid to be fitted to the body. The cover includes a guide receiving portion on an outer surface of a distal end of one of the lid and the body, and a guide portion on a distal end of the other. The guide receiving portion has an inclined surface inclined toward an inner surface of the guide receiving portion along a fitting direction. The guide portion guides a distal end of the guide receiving portion. The guide portion protrudes outward perpendicularly to the fitting direction. The guide portion has an inclined surface on an inner surface of the distal end of the other of the lid and the body.

Abstract: Provided is a manufacturing method of a sub-muffler outer cylinder (20, 220), the manufacturing method comprising pushing one push roll (10, 210) toward two receive rolls (11, 12, 211, 212) and then bending a plate-shape workpiece (W0, W20) to form the sub-muffler outer cylinder (20, 220) made of a cylindrical-shaped body. A push-in amount in a part (20f˜20g, 220f˜220g) of the workpiece corresponding to a corner part of the cylindrical-shaped body is made larger than a push-in amount in a part (20a˜20e, 220a˜220e) of the workpiece corresponding to a side part of the cylindrical-shaped body to form the cylindrical-shaped body (20, 220) having a polygonal cross-sectional shape.

Abstract: A roll-bending process apparatus (100) including a pushing roll (10) having a cylindrical side surface and two receiving rolls (11 and 12) each having a cylindrical side surface is provided. The roll-bending process apparatus (100) bends a work (20) by pushing the pushing roll (10) toward the receiving rolls (11 and 12). The roll-bending process apparatus (100) forms a taper-shaped bending-formed article by adjusting a pushing amount of the pushing roll (10) so that a first pushing amount on one end side (10a) of the pushing roll (10) is different from a second pushing amount on the other end side (10b) of the pushing roll (10).

Abstract: A manufacturing method of a sub-muffler -parenthesis-1, 201) includes a rectangular tubular body shaping step -parenthesis-S3), a preliminary shaping step -parenthesis-S5, S26), and a diameter reduction shaping step -parenthesis-S7, S27). In the rectangular tubular body shaping step -parenthesis-S3), a plate material -parenthesis-70) is bent and a rectangular tubular body -parenthesis-72, 720) having a rectangular shape in cross section is thereby formed. In the preliminary shaping step -parenthesis-S5, S26), ends -parenthesis-724, 725) of the rectangular tubular body -parenthesis-72, 720) are preliminarily formed and the end parts of the tubular body -parenthesis-72, 720) are thereby formed so that its cross-sectional shape becomes a circular shape. In the diameter reduction shaping step -parenthesis-S7, S27), the diameters of the ends -parenthesis-724, 725) of the rectangular tubular body -parenthesis-72, 720) are reduced.

Abstract: A manufacturing method of a sub-muffler (1, 201) includes a tubular body shaping step (S3), a central part spinning machining step (S5, S7, S26, S27), and a diameter reduction machining step (S8, S28). In the tubular body shaping step (S3), a cylindrical body (2, 202) is formed by rolling a plate material (70). In the central part spinning machining step (S5, S7, S26, S27), the cross-sectional shape of a central part (20, 220) of the cylindrical body (2, 202) is machined into a rectangular shape by performing a spinning machining in which a rotating roller (88) is moved along a rectangular trajectory (T3, T6) while pressing the rotating roller (88) onto the central part (20, 220) of the cylindrical body (2, 208). In the diameter reduction machining step (S8, S28), the diameter of an end (80, 81, 280, 281) of the cylindrical body (2, 208) is reduced.

Abstract: An electrical connector includes a housing body and a cover. The housing body includes a terminal accommodating hole that accommodates a terminal fitting, and a ferrite accommodating portion that accommodates a ferrite core. The cover covers the terminal fitting and the ferrite core attached to the housing body. The ferrite accommodating portion includes a ferrite accommodation chamber into which the ferrite core is inserted in a first direction perpendicular to a second direction in which the terminal fitting is inserted into the terminal accommodating hole, and protrusions provided on both inner side surfaces of the ferrite accommodation chamber facing in a third direction perpendicular to the first direction. The protrusions are engaged with concave portions formed on both side surfaces of the ferrite core to regulate movement of the ferrite core in the second direction.

Abstract: In a stamping step, when a stamping terminal piece formed as a connector terminal is stamped, an electric wire crimping part is stamped and extended from a chain part in a direction perpendicular to a feeding direction, an electric contact part is stamped and extended from the electric wire crimping part in a direction parallel to the feeding direction and a range to which a gold plating is applied by a gold plating step is not overlapped on a range to which a tin plating is applied by a tin plating step in the feeding direction.

Abstract: A communication apparatus which, in an ad-hoc network, when receiving control packets from a plurality of terminals, can determine whether or not there is a collision among the control packets, and, based on the determination, can be prevented from continuing to be out of the network due to a collision among the control packets transmitted from the plurality of terminals. In the communication terminal, a communication section receives a control packet which periodically comes up on a communication path.

Abstract: A mold for forming a housing having a lance includes a first mold and a second mold. The lance has a first projection for engaging a terminal and a second projection provided at a position nearer with an end of the lance than the first projection. The first mold includes a first member having a third projection. The second mold includes a second member and a third member. The second member has a first concave portion into which the third projection is inserted. The third member is configured to be moved with respect to the second member. The second member defines, with the first member, a first space where the housing is adapted to be formed. The third member defines, with the first member, a second space where the first projection and the second projection are adapted to be formed.

Abstract: Provided is a lever fitting-type connector wherein the time for connecting a second connector comprised of a plurality of connector segments to a first connector can be reduced; and a compact connector portion of a wire harness can be obtained. A second connector (14) fitted and connected to a first connector (13) by an operation for rotating a fitting operation lever (15) attached to the first connector (13), is configured by combining a main connector segment (31) with a subsidiary connector segment (32). The main connector segment (31) has a lever engagement portion (34) to be engaged with the fitting operation lever (15) when the main connector segment is fitted to an initial fitting position. The main connector segment (31) is shifted from the initial fitting position to a complete fitting position by an operation for rotating the fitting operation lever (15).

Abstract: A mold for forming a housing having a lance includes a first mold and a second mold. The lance has a first projection for engaging a terminal and a second projection provided at a position nearer with an end of the lance than the first projection. The first mold includes a first member having a third projection. The second mold includes a second member and a third member. The second member has a first concave portion into which the third projection is inserted. The third member is configured to be moved with respect to the second member. The second member defines, with the first member, a first space where the housing is adapted to be formed. The third member defines, with the first member, a second space where the first projection and the second projection are adapted to be formed.