Abstract: A wire-circuit sheet includes: a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes , and at least on cutting hole to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method include: a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface.

Abstract: A wire-circuit sheet includes; a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes, and at least one cutting hole to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method include; a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting of holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface.

Abstract: A covered wire waterproof connection structure including wire members which are conductively connected at a connection portion and resin material which covers around the connection portion. At least one of the wire members comprises a covered wire having a conductive wire portion including plural wire cores between which gaps are formed, and a cover portion formed by coating resin around an outer periphery of the conductive wire portion. The resin material is filled into all of the gaps at a portion of the conductive wire portion.

Abstract: A connecting structure for connecting circuit conductors placed on a surface of an insulator plate of a flat circuit body with terminals of a connector. The terminals of the connector are formed by spring portions exposed above the surface of a housing of the connector. A locking member formed into a shape of square bracket having two arms encompasses the flat circuit body and the connector and hooks at the tips of the two arms engage with engagement grooves on the housing of the connector, while the circuit conductors of the flat circuit body are press-contacted against the spring portions of the housing of the connector.

Abstract: A wire-circuit sheet comprising; a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes, and a cutting holes to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method comprising; a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface.

Abstract: A movable board connector which includes: connector terminals having electric contact portions at their respective front ends and board insertion portions to be inserted into a printed circuit board at their respective rear ends; a connector housing having reception chambers for receiving the electric contact portions, and spring members provided on its outer circumference; a cylindrical terminal cover having an insertion space through which the connector terminals are inserted, the terminal cover having a front end which contacts with a rear surface of the connector housing and having a rear end which contacts with the printed circuit board; and a cylindrical connector cover which receives the connecter housing and the terminal cover, and which has a rear end fixed to the printed circuit board.

Abstract: A meter module includes a meter panel in which meters and indication lamps are mounted, a centralized control circuit board in which control circuits for a vehicle's electrical devices (including meters and indication lamps) are installed, an electric junction box for distribution of power, input and output signals and for integration of earth lines, and a module case. The electric junction box is formed by setting a bus-bar circuit board and an insulator cover in the module case. The electric junction box is formed by setting a bus-bar circuit board and an insulator cover in the module case. The centralized control circuit board and the meter panel are fixed over the electric junction box, whereby the meter panel, the centralized control circuit board and the electric junction box are intensively incorporated. Thus, the electric wiring in the instrument panel portion of the vehicle is simplified and this facilitates setting and assembling of the electric devices such as the meter panel.

Abstract: A meter module includes a meter panel in which meters and indication lamps are mounted, a centralized control circuit board in which control circuits for car electric devices including the meters and indication lamps are installed, an electric junction box for distribution of power, input and output signals and for integration of earth lines, and a module case. The electric junction box is formed by setting a bus-bar circuit board and an insulator cover in the module case. The centralized control circuit board and the meter panel are fixed over the electric junction box, whereby the meter panel, the centralized control circuit board and the electric junction box are intensively incorporated. The above arrangement simplifies electric wiring in the instrument panel portion of car and facilitates assembling of the electric devices such as the meter panel. A wiring harness protector includes a protector main body for protecting a wiring harness therein and a cover.

Abstract: In the covered-wire connection method and structure in which at least one of members to be conductively connected to each other is a covered wire comprising a conductive wire portion and a cover portion of resin which is coated around the outer periphery of the conductive wire portion, both of the members are overlapped with each other at connection portions thereof, the overlapped connection portions are pinched between a pair of resin chips, and then the cover portion are melted and dispersed by ultrasonic vibration while pressing the connection portions of the members from the outside of the resin chips to conductively connect both of the members to each other at the connection portions thereof. Thereafter, the pair of the resin chips are melted to be fixed to each other, so that the connection portions are sealed with the melted resin chips.

Abstract: The present invention provides a connecting configuration in wiring harness assembly or in a junction box used in the wiring harness assembly, wherein a plurality of individual primary wires and branch wires branched therefrom to form sub wiring harnesses are connected to each other per predetermined circuits by connecting means by way of electrically insulating members each made of a sheet or a thin plate covering the joint portions therebetween, which insulating members being piled up in one-on-another form, so that the entire wire connecting configuration can be accommodated in one casing or one box. Since the connecting configuration according to the present invention is constructed as such, minimization, weight saving and integration of a wiring harness assembly or a junction box used therein are all enabled, and alterations including replacement of or addition to the circuits are readily performed.

Abstract: Branch connection busbars to be firmly installed in upper and lower cases each have upper and lower series of branched tabs projecting upwardly and downwardly from the upper and lower lateral edges of the busbar, respectively, through tab connecting portions, with the upper and lower series of branched tabs staggered. The upper and lower cases are each provided at their opposing contact surfaces with seats. The branch connection busbars are first installed into the lower case with the upwardly projecting branched tabs held firmly by the seats of the lower case. At the same time the downwardly projecting branched tabs are passed through tab insertion holes in the lower case. As the upper case is assembled onto the lower case, the upwardly projecting branched tabs are inserted into the tab insertion holes in the upper case and the seats of the upper case are held against the bottom of the downwardly projecting branched tabs.

Abstract: Branch connection busbars to be firmly installed in upper and lower cases each have upper and lower series of branched tabs projecting upwardly and downwardly from the upper and lower lateral edges of the busbar, respectively, through tab connecting portions, with the upper and lower series of branched tabs staggered. The upper and lower cases are each provided at their opposing contact surfaces with seats. The branch connection busbars are first installed into the lower case with the upwardly projecting branched tabs held firmly by the seats of the lower case. At the same time the downwardly projecting branched tabs are passed through tab insertion holes in the lower case. As the upper case is assembled onto the lower case, the upwardly projecting branched tabs are inserted into the tab insertion holes in the upper case and the seats of the upper case are held against the bottom of the downwardly projecting branched tabs.

Abstract: The electric junction box includes a casing 20-23 and a plurality of busbar conductors 30 accommodated in the casing, each of which consists of an insulating substrate 31 and a plurality of busbars 32 with upright tabs 33 arranged face-to-face on the substrate 31. The busbar conductors 30 are accommodated in at least two blocks A1 and A2 in the casing and wires 40 are provided for electrically connecting desired busbars 32 in different and/or the same block. The above construction allows a circuit-change to be made with ease and unnecessary circuits to be precluded. The overall weight and production costs of busbar conductors and thus the junction box are reduced.

Abstract: An electrical junction box is constituted by accommodating bus-bar circuit board composed of a plurality of bus-bars and an insulating plate in a case member composed of upper, lower and side cases. The bus-bar has a terminal for a connector vertically erecting from the surface of the bus-bar and introduced into fastening portions of the upper and lower cases and a terminal extending in parallel to the surface of the bus-bar while keeping a level difference so as to be accommodated in the housing of the side case at a predetermined pitch. In order to easily align the terminals and easily assemble and fasten a predetermined terminal or a connector, a boss and a cut portion are formed to correspond to the insulating plate for the purpose of supporting the terminal. As an alternative to this, a support member is inserted between the insulating plates.

Abstract: A branch junction box having an upper case and a lower case, with a plurality of connector insertion portions provided on the upper case. A plurality of parallel busbar accommodating grooves are formed in the lower case. A plurality of busbars are installed in the busbar accommodating grooves and have branched tabs which project upwardly via tab connecting portions into the connector insertion portions. The tab connecting portions include a rising piece extending upwardly from one edge of the busbar and a tab connecting piece extending laterally on one or both sides of the rising piece. The tab connecting pieces are bent at right angles to the plane of the busbar so that the branched tabs on the connecting pieces protrude sideways from the busbar. The tab connecting pieces are formed with the upwardly projecting branched tabs.

Abstract: Branch connection busbars to be firmly installed in upper and lower cases each have upper and lower series of branched tabs projecting upwardly and downwardly from the upper and lower lateral edges of the busbar, respectively, through tab connecting portions, with the upper and lower series of branched tabs staggered. The upper and lower cases are each provided at their opposing contact surfaces with seats. The branch connection bushbars are first installed into the lower case with the upwardly projecting branched tabs held firmly by the seats of the lower case. At the same time the downwardly projecting branched tabs are passed through tab insertion holes in the lower case. As the upper case is assembled onto the lower case, the upwardly projecting branched tabs are inserted into the tab insertion holes in the upper case and the seats of the upper case are held against the bottom of the downwardly projecting branched tabs.

Abstract: An electric connection box including an insulative board having a plurality of through holes for a plurality of terminal holders formed on the lower case of the connection box. A plurality of bus bars are pressed relative to, and are mounted fixedly in bus bar mounting grooves in the insulative board so as to assemble a bus bar circuit board. This design compensates for possible slight precision defects in press-connecting pieces of the bus bars.

Abstract: To standardize electric junction boxes so that the internal circuits can be applied to various requirements without markedly changing parts, the junction box is divided into plural stackable distributing units each connectable to each subharness via each subharness connector. The junction box comprises a plurality of stackable distributing units including a plurality of parallel arranged wires connectable with at least one external subharness; wire shorting bus bars or wire branch bars arranged so as to cross the parallel arranged wires; and an interlayer connecting unit or plural interlayer connecting terminals arranged so as to cross the surfaces of the plural distributing units for connecting the parallel arranged wires and the wire shorting bus bars arranged on different distributing units. Further, when male connector terminals are provided on each distributing unit, it is possible to form a subharness connector by use of these male connector terminals on each distributing unit.

Abstract: A structure of connection between a bus bar and a press-connecting branch terminal in an electric connnection box is disclosed wherein a plurality of bus bars constituting a circuit are accommodated within a casing composed of an upper case and a lower case; a housing having tab insertion holes at its bottom is formed on at least one of the upper and lower cases; a branch tab formed on one side portion of a press-connecting branch terminal is extended through the tab insertion hole into the housing to thereby constitute a connector insertion portion; and a desired one of the bus bars is press-fitted in and connected to a U-shaped slot formed in a press-connecting portion formed on the other side portion of the press-connecting terminal.

Abstract: An electrical connection box for use with automobile wires. Improved waterproofing is provided by arranging bus bars in grooves defined by walls as a base plate, and overlying said bars with waterproof elements.