Male type USB connector

Details Male type USB connector Male type USB connector

1999-02-10

2001-01-09

Bradley, Paula (Department: 2833)

Electrical connectors

With stress relieving means for conductor to terminal joint

Conductor gripped by or entirely within connector housing

C439S465000

Reexamination Certificate

active

06171136

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to USB (universal serial bus) connectors, and more particularly to a male type USB connector which comprises a connector body, two symmetrical insulative shells covered on rear and lateral side walls of the connector body to secure a cable to the connector body, and a front cap fastened to the connector body at a front side and coupled to the insulative shells.
An USB (universal serial bus) is a standard data transmission media commonly used in communication products, particularly computers and the related peripheral equipment, for the advantages of higher data transmission speed than earlier RS232 connectors, ease of installation and maintenance. A connector for use in a USB is called a USB connector. A USB connector is generally comprised of a connector body, a cable connected to the connector body, and an insulative shell covered on the connector body and a part of the cable to secure the connector body and the cable together. Because the insulative shell is directly molded on the connector body and a part of the cable, molten plastics may pass through gaps in the connector body during the molding process, causing the terminals of the connector body to be covered with residual plastics. It is complicated to clear residual plastics from the terminals.
SUMMARY OF THE INVENTION
The present invention has been accomplished to provide a male type USB connector which eliminates the aforesaid problem. It is one object of the present invention to provide a male type USB connector which can be quickly assembled to secure the cable to the connector body without through a molding process. It is another object of the present invention to provide a male type USB connector which is inexpensive to manufacture, and to assemble. According to one aspect of the present invention, the male type USB connector is comprised of a substantially rectangular connector body, a cable connected to the connector body and extended out of a hole at a rear side wall of the connector body, two symmetrical insulative shells fastened together and covered on the rear side wall and two opposite lateral side walls of the connector body and a part of the cable to secure the cable in place, and an insulative cap fastened to the connector body and the insulative shells at a front side, the cap having a center coupling hole, which receives a front side wall of the connector body, and a backward coupling flange coupled to the insulative shells. According to another aspect of the present invention, two packing strips are respectively inserted into the gaps in between the backward coupling flange of the cap and the peripheral walls of the connector body to secure the connection. According to still another aspect of the present invention, the insulative shells are fastened together by plugging respective plug rods at one insulative shell into respective plug holes at the other insulative shell. According to still another aspect of the present invention, the insulative cap is sealed to the insulative shells by a ultrasonic heat sealing apparatus after its installation.


REFERENCES:
patent: 5315062 (1994-05-01), Hoshino
patent: 2234397 (1972-12-01), None

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