Surface mounted electrical connector

Details Surface mounted electrical connector Surface mounted electrical connector

2000-02-29

2001-08-28

Paumen, Gary F. (Department: 2833)

Electrical connectors

With supporting means for coupling part

Flange on coupling part

Reexamination Certificate

active

06280247

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector, and particularly to an electrical connector with an improved solder pad which is capable of securing the connector against the surface of a printed circuit board with greater strength using a soldering process.
Prior art U.S. Pat. Nos. 4,713,013 and 4,850,892; 5,044,988 disclose electrical connectors having posts integrally extending from the bottom surface of the insulative housing. However, these integral posts have insufficient resilient characteristics. Recent patents, such as U.S. Pat. Nos. 4,681,389 and 4,907,987 each disclose using separate resilient metallic posts associated with the housing to retain the connector assembly on the printed circuit board.
Referring to
FIG. 4
, U.S. Pat. No 5,232,379 discloses an electrical connector with mounting means to secure on a printed circuit board. This connector comprises an elongated insulative housing having embedded therein and extending therethrough a plurality of terminals, the tails of which are bent to be parallel with the printed circuit board. A mounting means has an L-shaped body. One leg of the body being coplanar with a bottom surface of the housing is positioned at each end of the housing. The mounting means further comprises a U-shaped body perpendicular to the L-shaped body, a portion of which is received within a slot in the insulative housing and has a projecting tab abutting against the inner portion of the slot to fasten the mounting means to the insulative housing. A disadvantage of this connector is that the securing relationship between the mounting means and the printed circuit board is insufficient to endure a large lateral force because the mounting means itself for securing to the board.
Hence, an improved electrical connector is required to overcome the disadvantages of the prior art.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide an improved solder pad for surface mounting an electrical connector which is capable of securing the connector against the surface of a printed circuit board with greater strength using a soldering process.
To fulfill the above-mentioned objective, an electrical connector in accordance with the present invention has a pair of solder pads for mounting the electrical connector to a printed circuit board. The electrical connector comprises an elongated insulative housing having a plurality of receiving channels extending between a front face and a rear face thereof. A plurality of terminals is secured in corresponding receiving channels. A holding cavity is formed at each side of the insulative housing. Each of the pair of solder pads includes a L-shaped body and a positioning leg extending from a lateral edge of the L-shaped body. The L-shaped body comprises a vertical body portion and a horizontal solder tab for respectively engaging with the holding cavity of the insulative housing and being soldered to the printed circuit board. The positioning leg extends through a hole on the printed circuit board, where it, too, is soldered, thus adding strength to the printed circuit board between the connector and the board.


REFERENCES:
patent: 5232379 (1993-08-01), Lai
patent: 6012949 (2000-01-01), Lok
patent: 6022244 (2000-02-01), Chiu
patent: 6053763 (2000-04-01), Brennan et al.
patent: 6053767 (2000-04-01), Copper et al.

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