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At the identical time they are going to reduce the crosstalk between sign carrying conductors. Generally, there will probably be a couple of alternative of connections to make use of. Thus, by configuring the flat cables 24a and 24b to type a single flat cable as described above, it turns into attainable to eradicate the crosstalk between the sign traces in the flat cable 24a considerably while still complying with the SCSI-II protocol on the connector 22. Further, it is possible to attach similar flat cables by way of the by means of sort connector 28 as indicated in FIG. 1. Within the foregoing embodiment, it needs to be noted that the cross part of the cables will not be restricted to the triangular cross section but could also be a mushroom-like cross part or any other cross section that's efficient for elastic engagement between the cables in the state of FIG. 5C. Further, one may kind a flat cable from the flat cables 24a and 24b with out particular cross sectional shape for the cables 41 as long as the cables 41 are held with each other by suitable holding means. By means of the flat bus-line construction, the extension wire may be evenly wound with out tangling or blocking.

Especially, the flat bus-line structure is appropriate to lie flat on the a floor, a wall edge or go by a slender hole. So, varied extension wires are commercially obtainable for use in household, manufacturing unit, store, outdoor working site, etc. Especially, a winding type extension wire may be wound up for simple storage and thus is more broadly used. In use of such large diameter extension wire, the extension wire can't be laid flat on the ground and thus trigger an individual to stumble. For example, when winding the extension wire, in order to easily and evenly wind the cable into the housing, a user should very fastidiously adjust the winding place of the cable (for example, from left aspect to proper aspect or from right facet to left side). When it is desired to wind up the flat cable, the flat cable is released from the partaking pressure of the participating member 65, whereby the winding spring can wind and gather the extension wire into the housing. The deflectable spring latch is engagable with a latch receiving socket on the insulative housing. The present invention pertains to an improvement of an electric extension wire, and extra notably to a flat cable sort extension wire together with a flat cable linked between an electric plug and a socket.

FIG. 3 is a perspective cross-sectional view of the multi-pin connector in the straight configuration in keeping with the present invention. FIG. 6 is a perspective view based on FIG. 4, showing that the higher casing is separated from the decrease casing. A high of the winding reel sixty three could be flush with or protrude beyond a central opening 621 of the higher casing 62. The highest of the winding reel 63 is formed with two insertion holes 631, 632 in which two metal plates are inserted to serve as an electric socket. Referring to FIG. 7A, the contact half fifty one has a guide 54 for mechanical engagement with another connector, and make contact with parts fifty four of a conductive materials are offered within the information fifty four in two rows in compliance with the SCSI-II protocol. As proven in FIG. 3A, the contact half 25 carries a information member 31 for mechanical engagement with a corresponding information member of one other connector, as well as two rows of contact components 32 of a conductive materials for contact engagement with corresponding contact components of the corresponding connector. In order to take care of the ability to repetitively join and disconnect the flat cable from the connector housing and to assure that upon every instance the exposed conductive portions of the flat cable are maintained in electrical engagement with the arms, the current invention offers a versatile spring latch which is integrally formed with the slide member.

However, different equal resilient member with the winding drive can be alternatively used as the winding spring. The winding reel is connected with a winding spring for providing a winding force for the cable. When the flat cable 5 of the windable extension wire of the second embodiment of the current invention just isn't outwardly pulled, by means of the winding pressure of the winding spring 64, the flat cable 5 is collectively wound on the winding reel 63 (referring to FIG. 6). When the flat cable 5 is subject to an outward pulling pressure, the winding reel 63 is rotated, whereby the flat cable 5 is unwound and pulled out from a release slot 613. In addition, the lower casing 61 can additional embrace an engaging member sixty five disposed at the release slot 613 of the lower casing 61. When the flat cable 5 is pulled outward, the engaging member 65 can be simply outward pushed to resist in opposition to the resilient winding pressure of the winding spring 64. Accordingly, the flat cable 5 will be located by a set pulling length. The adaptation to the particular used cable configurations can be made by the use of variously formed economical seals together with stress disks.