Plug-in adapter
View Patent ↗A card edge connector allows a modular jack to be electronically connected to a PCMCIA Type III communications card. The card edge connector includes a modular jack with a main body portion having a top surface, a bottom surface, a front surface and a rear surface. A receptacle is disposed entirely within the front surface of the modular jack and the receptacle is sized and configured to receive a RJ series connector plug such that no portion of the plug extends through either the top surface or the bottom surface of the modular jack. A connector attached to the rear surface of the modular jack and the connector includes a socket sized and configured to receive a portion of a printed circuit board disposed within the communications card. Desirably, the card edge connector includes at least one contact pin including a plug engaging portion that extends into the receptacle and a printed circuit board engaging portion that extends into the socket.
1. A plug-in adapter for establishing an electrical connection between contacts of a plug connected to a cable and contact surfaces of a patch panel formed on the edge of a printed circuit board, comprising:
a first body having a top, a bottom, a front side, a rear side, and a first receiving chamber being defined in one of the front side and rear side of the first body, the bottom of the first body defining a bottom aperture, the first body also having a plurality of locking recesses positioned adjacent to the bottom aperture such that a plurality of lock elements are receivable within the plurality of locking recesses;
a second body having a top, a bottom, a front side, and a rear side, a second receiving chamber being defined in one of the front side and the rear side of the first body, the second body also having the plurality of lock elements positioned adjacent to the top of the second body that extend outward therefrom;
a plurality of first contact bodies, each one of the plurality of first contact bodies having a contact tongue and a top intermediate contact piece;
a plurality of second contact bodies, each one of the plurality of second contact bodies having a bottom intermediate contact piece and a forked-shaped contact spring, the forked-shaped contact spring having an upper leg and a lower leg defining an opening for providing a connection with the printed circuit board; and
wherein the contact tongue of the plurality of first contact bodies is located inside the first receiving chamber, such that the top intermediate contact piece is located adjacent to the bottom aperture and extended along and parallel to the bottom aperture; and
wherein the contact spring of the plurality of second contact bodies is located inside the second receiving chamber, the bottom intermediate contact piece located adjacent to the top of the second body and extended along and parallel to the top of the second body;
wherein the first body and the second body are connected in a mated condition by inserting the plurality of locking elements into the plurality of locking openings; and
wherein the top intermediate contact piece contacts the bottom intermediate contact piece and forms an electrical connection when the first body and the second body are in the mated condition;
wherein the first body and the second body are formed from an injection molded fire-resistant polymer material.
2. The plug-in adapter as claimed in claim 1 , wherein the first body and the second body are rectangular; and
wherein the first receiving chamber and the second receiving chamber are each arranged on opposite sides of the first body and the second body.
3. The plug-in adapter as claimed in claim 1 ,
wherein the first receiving chamber is RJ-compatible; and
wherein the plurality second contact bodies are arranged alongside each other, the opening of the fork-shaped contact spring facing towards an opening of the second receiving chamber defined in the rear side or the front side of the second body.
4. The plug-in adapter as claimed in claim 3 , wherein the second receiving chamber has a top inner surface, a bottom inner surface, the top inner surface and the bottom inner surface both having a plurality of longitudinal grooves; and
wherein the plurality of second contact bodies are arranged in the plurality of longitudinal grooves of the top inner surface and the bottom inner surface, the opening of the fork-shaped contact spring facing towards an opening of the second receiving chamber.
5. The plug-in adapter as claimed in claim 4 , wherein each contact spring is embodied such that in a mated position the patch panel is held by a spring force between the upper leg and the lower leg of the fork-shaped contact spring.
6. The plug-in adapter as claimed in claim 5 , wherein a plurality of groove webs are defined between the plurality of longitudinal grooves of the top inner surface and the bottom inner surface, the plurality of groove webs being tapered when viewed from an opening of the second receiving chamber.
7. The plug-in adapter as claimed in claim 6 , wherein the plurality of first contact bodies comprises a first pair and a second pair of contact bodies arranged adjacent to each other; and
wherein the plurality of second contact bodies comprises a first pair and a second pair of contact bodies that are arranged adjacent to each other; and
wherein the first pair and the second pair of first contact bodies have a first pair and a second pair of top intermediate contact pieces, respectively; and
wherein the first pair and the second pair of second contact bodies have a first pair and a second pair of bottom intermediate contact pieces, respectively; and
wherein the first pair of top intermediate contact pieces correspond to the first pair of bottom intermediate contact pieces, and the second pair of top intermediate contact pieces correspond to the second pair of bottom intermediate contact pieces; and
wherein one of the top intermediate contact pieces of the first pair of top intermediate contact pieces is electrically connected to an opposite bottom intermediate contact piece of the first pair of bottom intermediate contact pieces, and the other top intermediate contact piece of the first pair of top intermediate contact pieces is electrically connected to the other bottom intermediate contact piece of the first pair of bottom intermediate contact pieces when the first and the second body are in a mated condition; and
wherein one of the top intermediate contact pieces of the second pair of top intermediate contact pieces is electrically connected to an opposite bottom intermediate contact piece of the second pair of bottom intermediate contact pieces, and the other top intermediate contact piece of the second pair of top intermediate contact pieces is electrically connected to the other bottom intermediate contact piece of the second pair of bottom intermediate contact pieces when the first body and the second body are in the mated condition.
8. The plug-in adapter as claimed in claim 6 , wherein the plurality of first contact bodies and the plurality of second contact bodies are coated with corrosion-resistant coatings.
9. The plug-in adapter as claimed in claim 8 , wherein the plurality of first contact bodies and the plurality of second contact bodies are coated with a gold alloy.
10. The plug-in adapter as claimed in claim 6 , wherein each one of the plurality of first contact bodies and each one of the plurality of second contact bodies are formed as a stamped-bent part.
11. The plug-in adapter as claimed in claim 1 , wherein the first body and the second body are manufactured from an injection molded polymer material, and the plurality of first contact bodies and the plurality of second contact bodies are embedded in polymer material.