Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – Distinct contact secured to panel circuit
Patent
1997-01-21
1999-11-16
Abrams, Neil
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
Distinct contact secured to panel circuit
439947, 439891, H01R 909
Patent
active
059846968
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF INVENTION
The present invention relates in general to a improvement of a hybrid connector, and a right angle female member and the male members therefor.
Generally, hybrid connectors are used as a connector for supplying power and data in electronic exchangers and data transmitting systems for telecommunication. In systems such as an electronic exchanger, a mother board and a daughter boards with various circuits and operating elements are provided, and a plurality of daughter boards are vertically mounted on the front face of the mother board, whereas the mother board has means for connecting the circuits on the mother board to the circuits on the rear face. In general, supplying power to a system such as an electronic exchanger is accomplished by conductive passages from a power supply to a daughter board, then from the daughter board to a mother board, and then from the mother board to another daughter board or another mother board. In order to supply power from the power supply to the mother board and the daughter board and therebetween, hybrid connectors in the form as shown in FIG. 1 are used.
The conventional type of hybrid connector 1 comprises a plug-to-plug coupler type male member 3 having a pair of projection pins mounted to project from opposite surfaces of the mother board, a pair of housing 4 to secure and support the male member 3 to the mother board 2, a right angle female member 6 secured onto the daughter board 5, a housing 7 for securing and supporting the right angle female member 6 onto the daughter board 5, a crimp-to-wire receptacle female member 8 receiving a wire connected to another mother board and fitted onto the male member 3, a housing 9 for supporting the female member 8. As a result of this construction, the supplies of power from the mother board 2 to the daughter board 5 and the other mother board are accomplished by a conductive passage extending from the printed circuitry conductor provided on a hole of the mother board 2 through a flange 3a, to the body of the male member 3 connected with the printed circuitry conductor, to the right angle female member 6 connected to one end of the male member 3, to the leg 6a.sub.1 of the female member 6, and to the printed circuitry on the daughter board 5, and by another conductive passage extending to a printed circuitry on the other mother board through crimp-to-wire receptacle female member 8 connected to the other end of the male member 3, respectively. Each housing 4, 7 and 9 is constructed such that the housing 4 supporting the male member 3 is fitted with the other housings 7 and 8 to provide firm interconnections therebetween.
These conventional hybrid connectors contain following drawbacks: body and protrudes from opposite surfaces of the mother board. In case where only one of the supplies of power is required from either the mother board 2 to the other mother board or from the mother board 2 to the daughter board 5, one of the protruded portions is unnecessary, thus resulting in dissipation of materials and loosing of space which can otherwise be used for mounting other parts. the mother board 2 and sometimes needs soldering. mother board 2 is accomplished by the printed circuitry conductors provided both on the generally cylindrical flange portion 3a which is positioned at the intermediate point of the male member 3 and on the holes of the mother board 2, this connecting method requires soldering in order to avoid a poor electrical connection between the flange and the printed circuit. assembled by press-fit of plug portion 6b machined from a cylindrical rod member into a body portion having four legs 6a.sub.1, a plug receiving hole 6a.sub.2 and a first end portion 6b.sub.1 to be inserted therein should be machined with high accuracy since the plug receiving hole 6a.sub.2 of the body portion 6a is a blind hole. member 3 comprises the complicated steps of forming the male member receiving hole 6a.sub.2 by drilling and outer surface lathing the cylindrical rod member simultaneously, and forming and machinin
REFERENCES:
patent: 4384758 (1983-05-01), Lee et al.
patent: 4530551 (1985-07-01), Benasutti
patent: 4570338 (1986-02-01), Ignatowicz
patent: 5055055 (1991-10-01), Bakker
Abrams Neil
Berg Technology Inc.
Long Daniel J.
Page M. Richard
Patel T C
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