Electrical connectors – With supporting means for coupling part – Having resilient means engaging panel opening
Utility Patent
2000-04-25
2001-01-02
Bradley, Paula (Department: 2833)
Electrical connectors
With supporting means for coupling part
Having resilient means engaging panel opening
Utility Patent
active
06168464
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of The Invention
The invention relates to slanted type card edge connectors, and particularly to the slanted type connector having surface mount type contact tails and the corresponding securement device for mounting to the mother board.
2. The Related Art
The copending Ser. No. 08/910,376 filed Aug. 13, 1997 discloses a 25-degree slanted type DIMM (Dual In-line Memory Module) card edge connector with two rows of SMT (Surface Mount Technology) type contacts by two sides, wherein three solder pads are disposed on the front side cooperating with three post for securing the connector on the mother board. Anyhow, one concern has been raised whether the securement is sufficient to resist the bending moment, which is generated by insertion or withdrawal of the module or card with regard to the connector, imposed on rear side portions of the connector with the mother board. In such practice, apparently no reliable securement device is provided on the rear side of the connector to resist the bending moment imposed thereon.
Therefore, an object of the invention is to provide a slanted type card edge connector with the securement device on both front and rear sides for not only efficiently resisting the bending moment imposed thereabout, but also for reliably protecting the horizontally ex tending SMT type contact tails during delivery.
SUMMARY OF THE INVENTION
According to an aspect of the invention, a slanted type card edge connector includes an insulative housing defining a central slot for receiving a module or a card therein. Two rows of contacts are provided by two sides of the central slot with solder tails extending horizontally out of the front surface and the rear surface of the housing. The housing includes three securement sections respectively essentially positioned on two opposite ends and the middle portion. A pair of mounting pads and a positioning holdown are provided with each securement section wherein one mounting pad extends horizontally and forward out of the front surface of the housing and the other mounting ad extends horizontally and rearward out of the rear surface of the housing while the holdown extending downward, thus resulting in a condition that the positioning holdown is generally positioned between the corresponding front side mounting pad and rear side mounting pads and substantially keeps the same distance with regard to such two mounting pads. Therefore, such pair of mounting pads cooperating with the center holdown can provide a counterbalance with each other for efficiently resisting severe unusual insertion or withdrawal of the card with regard to the connector.
REFERENCES:
patent: 5297966 (1994-03-01), Brennian, Jr. et al.
patent: 5387115 (1995-02-01), Kozel et al.
Choy Edmond
Hwang Jeng-Yih
Bradley Paula
Chung Wei Te
Hammond Briggitte R.
Hon Hai - Precision Ind. Co., Ltd.
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