Abstract: A wiring unit 1 with a plurality of printed circuit boards 2 which are successively stacked and pin units 3. The printed circuit boards 2 each has a conductor pattern 7 formed on the surface 6a of an insulating plate 6. The conductor pattern 7 is composed of a first plurality of belt-like conductors 11 and a second plurality of belt-like conductors 12. Through-holes 13 are formed at points 14 where the belt-like conductors 11 and 12 cross each other. The pin units 21 each is composed of a conductive pin 20 and a C-bush 21. The C-bush 21 is provided with a pair of spring segment segments 24. The C-bush 21 is press-fit into the through-hole 13 to sandwich the printed circuit board 2 between the pair of spring segments 24. The C-bush 21 is communicated with the conductor pattern 7. The pin 20 is inserted into the through-hole 13 into which the C-bush 21 is press-fit. The conductive pin 20 is communicated with the C-bush 21. In this configuration, the wiring unit can be minimized in production cost and size.

Abstract: A wiring unit is provided, which includes: insulative substrates, each having through holes, to be stacked up each other; strip conductors, each having contact holes meeting the respective through holes, to be arranged in parallel on each of the insulative substrate; and a conductor pin consisting of a pin portion of conductive material to be inserted into both the through hole and the contact hole with a gap therewith and a conductor contact portion radially projecting from the pin portion so as to be put into contact with the strip conductor. The conductor contact portion has a peripheral portion to be put into contact with the strip conductor. At least one of the strip conductors has a male tab to protrude from the insulative substrate so as to be connected with a terminal electrically connected with external equipment. And, an electric junction box further includes a connector unit consisting of a wire, a terminal connected with the wire, and a housing accommodating the terminal is provided.

Abstract: A wiring unit 1 is housed in a case of an electric connecting box. The wiring unit includes a plurality of flat circuit bodies each composed of an insulating plate 21 and a plurality of bus bars 22 extended in parallel, and a short-circuiting member 23 composed of a pair of pin segments 24 and a coupling segment 25 for coupling them. The short-circuiting member 23 is formed in a -shape. The pin segments 24 are stuck into the bus bars so that the bus bars 22 are electrically connected to each other. In this configuration, the wiring unit can be manufactured at low cost and can be downsized.

Abstract: A wiring unit 1 includes a plurality of crimping terminals 2; and a plurality of insulating plates for holding said crimping terminals. The insulating plate 2 has a terminal groove 5 concaved from the surface, an accommodating portion 6 and a through-hole 7. The accommodating portion 6 is formed in concave from one of a pair of partition walls 9a and 9b constituting the terminal accommodating groove 5. The through-hole 7 passes through the insulating plate 2 and communicates with the accommodating portion 6. The crimping terminal 3 is composed of the electric-wire connecting portion 13 on which the electric wire is crimped and an electric-wire connecting portion 14. The insulating plates 2 are stacked while holding the crimping terminals 3. The electric contact portions 14 of the crimping terminals 3 held in the adjacent lower and upper insulating plates 2 are not superposed.

Abstract: In a packing (20) interposed between inner and outer peripheries of two members fitted to each other and in a state of being attached to one of two members, pressure contacting a lip portion (21) with another, thereby sealing a gap between both of the members, wherein a hollow portion (22) is provided at least in an inner side of the lip portion (21). The hollow portion (22) is formed according to a gas assist molding.

Abstract: A terminal holding structure wherein a terminal fitting 23 is received within a terminal chamber 22 provided with a flexible lance 26 projecting from one of inner walls 24 and 25 facing with each other by establishing the engagement of the lance 26 in a bore 38 formed on a box portion 29 of the terminal fitting 23. The inner wall 25 facing the lance 26 is provided with a backlash stopper 36 which, in a state where the extent of engagement of the lance 26 in the bore 38 is not subject to decrease, creates a clearance between itself and the box portion 29, and in a state where the extent of engagement is subject to decrease, prevents a decrease in extent of engagement by making contact with the box portion 29.

Abstract: A wiring unit is provided, by which the cost of the manufacture and assembly thereof can be prevented from raising and the miniaturization thereof can be attained. The wiring unit 1 includes a first flexible insulating sheet 2, a plurality of flexible band-shaped conductors 3 and a plurality of enameled wires 4. The band-shaped conductors 3 are arranged in parallel with each other on the surface 2a of the first insulating sheet 2. Wires 16 are connected to both ends of the band-shaped conductor 3. The enameled wire 4 electrically connects a plurality of the band-shaped conductors 3 with each other. The first insulating sheet 2 is rolled up around an axis P parallel to the band-shaped conductor 3 from one end 5 to the other end 6 of the first insulating sheet 2. The first insulating sheet 2 is rolled up into a roll, thereby the wiring unit 1 is produced.

Abstract: A connector housing is formed with a chamber into which a terminal is inserted. A retention member is formed in the chamber so as to retain the inserted terminal therein. The retention member is formed by a first portion of a mold which molds the housing. An inspection member is formed on an outer face of the housing for inspecting molding defect of the retention member. The inspection member is formed by a second portion of the mold having a higher flow resistance than the first portion of the mold.

Abstract: A wiring unit 1 is provided with a plurality of printed circuit boards 2 which are successively stacked and pin units 3. The printed circuit boards 2 each has a conductor pattern 7 formed on the surface 6a of an insulating plate 6. The conductor pattern 7 is composed of a first plurality of belt-like conductors 11 and a second plurality of belt-like conductors 12. Through-holes 13 are formed at points 14 where the belt-like conductors 11 and 12 cross each other. The pin units 21 each is composed of a conductive pin 20 and a C-bush 21. The C-bush 21 is provided with a pair of spring segment segments 24. The C-bush 21 is press-fit into the through-hole 13 to sandwich the printed circuit board 2 between the pair of spring segments 24. The C-bush 21 is communicated with the conductor pattern 7. The pin 20 is inserted into the through-hole 13 into which the C-bush 21 is press-fit. The conductive pin 20 is communicated with the C-bush 21.

Abstract: A wiring unit 1 includes a plurality of crimping terminals 2; and a plurality of insulating plates for holding said crimping terminals. The insulating plate 2 has a terminal groove 5 concaved from the surface, an accommodating portion 6 and a through-hole 7. The accommodating portion 6 is formed in concave from one of a pair of partition walls 9a and 9b constituting the terminal accommodating groove 5. The through-hole 7 passes through the insulating plate 2 and communicates with the accommodating portion 6. The crimping terminal 3 is composed of the electric-wire connecting portion 13 on which the electric wire is crimped and an electric-wire connecting portion 14. The insulating plates 2 are stacked while holding the crimping terminals 3. The electric contact portions 14 of the crimping terminals 3 held in the adjacent lower and upper insulating plates 2 are not superposed.

Abstract: A wiring unit 1 is housed in a case of an electric connecting box. The wiring unit includes a plurality of flat circuit bodies each composed of an insulating plate 21 and a plurality of bus bars 22 extended in parallel, and a short-circuiting member 23 composed of a pair of pin segments 24 and a coupling segment 25 for coupling them. The short-circuiting member 23 is formed in a -shape. The pin segments 24 are stuck into the bus bars so that the bus bars 22 are electrically connected to each other. In this configuration, the wiring unit can be manufactured at low cost and can be downsized.

Abstract: A protective cover for a connector including a cover body to be fitted over a terminal engaging portion of the connector, an engaging projection provided on the cover body in such a manner as to be capable of engaging an engaging stepped portion formed on the lock arm and of being disengaged from the engaging stepped portion by a tilting operation of the lock arm, and a pair of arm protecting walls provided projectingly on an outer peripheral wall of the cover body in such a manner as to face each other with the lock arm positioned therebetween. The height of an upper edge of each of the arm protecting walls is set in such a manner that the lock arm is accommodated in a space defined by the pair of arm protecting walls.

Abstract: A connection terminal of a bulb socket plug has at one end thereof a bulb contact portion to which a bulb can be detachably connected, and also has at the other end thereof a connector contact portion to which a connector can be detachably connected. The bulb contact portion includes two side walls, and a central wall interconnecting the two side walls, and a contact portion for connection to a wedge portion of the bulb extends from at least one of the two opposed side walls. A stopper wall is bent relative to the side wall, and extends from a suitable portion of the side wall, and closes part of a space formed at a back side of the contact portion at a bulb insertion opening side. Tilt prevention inserts for preventing the tilting of the side walls are inserted respectively into spaces formed respectively at inner sides of the two side walls.

Abstract: A connector coupling structure includes a first connector and a second connector which can be coupled to each other, each connector including: a housing having a plurality of terminal accommodating chambers formed therein and a housing surface, and an opening portion which is formed on a front end side of the housing surface being on an engaged side and forming an upper surface over the terminal accommodating chambers; the first connector including a projected main coupling portion arranged at a middle portion of the housing surface of the first connector; the second connector including a recessed main coupling receiving portion arranged at a middle portion of the housing surface of the second connector, in which the first and second connectors are coupled by engaging the main coupling portion with the main coupling receiving portion while causing the respective housing surfaces to confront each other; projected retaining portions arranged on the housing surface of the first connector; and recessed retaining

Abstract: A terminal extracting arrangement consists of a connector and a terminal extracting tool. The connector includes a connector housing having a terminal accommodating chamber, a tool hole and a flexible lance. The lance is provided with an engagement projection for engagement with a terminal, and a leading projection for engagement with the tool. The terminal extracting tool includes a rod-shaped leading end provided with a slanted face. In order to avoid a collision of a tip of the tool with a front face of the engagement projection, an angle .theta. of the slanted face of the tool is equal to or more than an angle .alpha. of a tangential line linking a sliding point on the leading projection with another sliding point on the engagement projection. In the relationship, both of the sliding points are included within a range of height H of the slanted face and the angle .alpha. is an angle defined by the tangential line and the inserting direction of the terminal extracting tool.

Abstract: An imperfect-fitting preventing connector comprising a suitable number of engagement mechanisms 4 by which male and female connectors 2 and 3 are engaged with each other in a perfect-fitting position, a suitable number of lock mechanisms 5 for locking the engagement mechanisms 4 in the perfect-fitting position, and elastic members 6 for holding the lock mechanisms 5 while urging the lock mechanisms 5 in the perfect-fitting position, wherein the engagement mechanisms 4 include an inflexible engagement projection 7 provided on an outer circumferential surface of the male connector 2, and an engagement hole 11 provided in a lock member 10 which is provided in an outer housing 9 which is axially slidable on an outer circumferential surface of an inner housing 8 of the female connector 3.

Abstract: A connector is provided which is mounted in a hole in a structure such as an automotive door and with an easy-to-handle fitting-completion detector with which whether connector housings are fitted to each other can be reliably checked. The fitting-completion detector (3) is mounted on one connector housing (1), with locking claws of its holding arms (13) engaged in locking grooves (7) in the one connector housing. The other connector housing (2) is provided with sloped release projections 11 that advance into respective locking grooves (7). The fitting-completion detector includes insertion prevention portions (14, 14'). While the connector housings are not being fitted together, owing to the insertion prevention portions (14, 14'), the one connector housing is prevented from entering the hole.

Abstract: In a connector assembly including a pair of first and second connector housings, first and second adjacent connector housing units constituting of the first connector housing are coupled so as to be slidable in a fitting direction. A resilient securing arm is formed on an opposite wall of the first connector housing unit, a provisional securing piece is formed on another opposite wall of the second connector housing unit, and a protrusion for releasing provisional securing is formed on a fitting plane of the second connector housing. The resilient securing arm is abutted on said provisional securing piece to secure the first connector housing unit to the second connector housing unit provisionally in a state where the former is ahead of the latter.

Abstract: A partial-fitting prevention connector which can be positively fitted relative to a mating connector, and is prevented from being only partially fitted relative to the mating connector. When the partial-fitting prevention connector (1) is fitted relative to a mating connector (2), a retaining member (25), formed on a lock member (22), abuts against a retaining projection (34) formed on the mating connector (2), and the lock member (22) is pushed against the bias of a spring (23) in a rearward direction away from the mating connector. After the lock member has moved a predetermined distance, lock release projections (26a and 26b), formed on the lock member (22), slide over lock release projections (42a and 42b) formed on a support structure (41), thereby pivotally moving the lock member (22).

Abstract: A first connector (6) has a plurality of connecting bodies (2, 3, 4) slidable in the connector-engaging direction and one or more joinder members (5) for sequentially joining the plurality of connecting bodies. Flexible extended arms (21) are provided in one end portion of the joinder member (5) and have abutting projections (24) and tapered portions. A mating projection (15) provided in the second connector (9) slidably mates with the tapered portion to deflect the flexible extended arm (21) so that the engagement between the abutting projections (24) and the abutted projections (32) provided in the connecting body (2) can be released.