Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – For receiving coaxial connector
Patent
1996-10-11
1998-03-03
Paumen, Gary F.
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
For receiving coaxial connector
439581, H05K 100
Patent
active
057228370
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a coaxial cable connector which is easier to produce and assemble and is capable of reducing the number of parts, wherein its cover is attached by engaging a ground contact terminal with the cover.
A typical configuration of a coaxial cable connector of this type requires the steps of (1) inserting a plug contact portion of a contact terminal in a plug contact portion insertion hole, which is so bored in a cylindrical insulating bush for maintaining the contact as to extend along the axis of the insulating bush; (2) inserting the insulating bush having the contact terminal inserted therein into a conductive cover; (3) holding another insulating bush that is inserted in the conductive cover by means of crimping the cover; (4) fitting the conductive cover in a mounting hole of the base; (5) attaching the conductive cover to the base while the base is sandwiched, at the upper and the lower ends of the mounting hole thereof, by a mounting collar of the conductive cover and a nut screwed around a threaded portion of the conductive cover; and (6) fastening a ground contact terminal with a nut in the state where the ground contact terminal is fitted to the conductive cover which is snugly inserted in the base.
However, the above configuration of the conventional coaxial cable connector requires fitting the conductive cover, which maintains the contact through the insulating bushes, in the mounting hole of the base, then fitting the ground contact terminal to the conductive cover, and finally screwing a nut around the threaded portion of the conductive cover. As the conventional configuration requires a large number of parts and assembling steps, it presents such problems as poor productivity and high production costs.
An example of a means for solving this problem is offered in Japanese Utility Model Publication No. 13344/1989, which discloses a coaxial cable connector having a conductive cover and a ground contact terminal. The conductive cover has a mounting collar that juts out from the middle of the outer surface of the conductive cover and a stopper groove formed below the mounting collar. The ground contact terminal has a forked catching piece portion to be fitted in the stopper groove of the conductive cover, wherein the cover can be attached to a base of the coaxial cable connector by means of fitting the conductive cover in a mounting hole of the base. The mounting collar is thereby brought into contact with the upper end of the mounting hole. The catching piece portion of the ground contact terminal is then fitted in the stopper groove that is now located below the underside of the base as a result of the insertion of the cover through the mounting hole of the base so that the base is firmly sandwiched between the mounting collar and the ground contact terminal.
The configuration of the coaxial cable connector disclosed in the above Japanese Utility Model Publication No. 13344/1989, however, requires a particular process to secure an insulating bush in the conductive cover in order to insulate a plug contact portion of the contact terminal from the cover. Furthermore, the configuration of the conductive cover is complicated in that a positioning step has to be formed in the conductive cover in order to secure the insulating bush.
OBJECTS AND SUMMARY OF THE INVENTION
In order to solve the above problems, an object of the present invention is to provide a coaxial cable connector which is easier to produce and assemble.
Another object of the present invention is to provide a cable connecter with fewer parts.
Briefly stated, an insulating base includes integrally formed raised supporting portions, bridging portions, and a contact holding portion formed between the bridging portions. One end of the contact holding portion projects through a mounting hole of the insulating base to connect with a conductive cover, while another end of the contact holding portion connects with a contact terminal. The contact holding portion and the conductive cove
REFERENCES:
patent: 4846719 (1989-07-01), Iwashita
patent: 4904206 (1990-02-01), Laudig et al.
patent: 5062811 (1991-11-01), Hackman
patent: 5100344 (1992-03-01), Truong
patent: 5145412 (1992-09-01), Tan et al.
patent: 5478258 (1995-12-01), Wang
patent: 5482477 (1996-01-01), Michael
patent: 5641294 (1997-06-01), Beard
Emuden Musen Kogyo Kabushiki Kaisha
Paumen Gary F.
Ta Tho Dac
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