Electrical connector

Claim 2

An electrical connector comprising: a dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face, a number of contact passageways defined between the first and second faces for receiving a number of contacts therein, a first hole and a mounting seat beside the first hole; a conductive shielding/grounding shell covering the housing and having a second hole and a mounting tongue beside the second hole; and a conductive post having an upper section located above the first face of the housing, a middle section fittingly received in the first and second holes and urging the mounting tongue against the mounting seat, and a lower section defining a threaded hole therein forming a bottom face flush with the second face of the housing for contacting grounding circuitry of a circuit board, on which the connector is mounted.

Claim 3

The connector in accordance with claim 1, wherein the conductive shielding/grounding shell further has a grounding foot extending beyond the second face of the housing.

Claim 4

The connector in accordance with claim 1, wherein the middle section of the post has a polygonal configuration.

Claim 5

The connector in accordance with claim 1, wherein the middle section of the post has a hexagonal configuration.

Claim 6

The connector in accordance with claim 1, wherein the upper section of the post has a domed configuration.

Claim 7

A combination of a connector and a printed circuit board, comprising: a connector comprising: a dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face, a number of contact passageways defined between the first and second faces for receiving a number of contacts therein and a mounting ear having a first hole and a mounting seat beside the first hole; a conductive shielding/grounding shell covering the housing and having a mounting wing with a second hole and a mounting tongue beside the second hole; and a conductive post having an upper section located above the first face of the housing, a middle section fittingly received in the first and second holes and urging the mounting tongue against the mounting seat and a lower section defining a threaded hole therein; a printed circuit board contacting the second face of the housing; and a screw extending through the printed circuit board to threadedly engage with the threaded hole of the post and causing the middle section of the post to tightly urge the mounting tongue against the mounting seat thereby simultaneously fixing the shielding/grounding shell to the housing and the connector to the printed circuit board.

Claim 8

A combination of a connector and a printed circuit board, comprising: a connector comprising: a dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face, a number of contact passageways defined between the first and second faces for receiving a number of contacts therein and a mounting ear having a first hole and a mounting seat beside the first hole; a conductive shielding/grounding shell covering the housing and having a mounting wing with a second hole and a mounting tongue beside the second hole; and a conductive post having an upper section located above the first face of the housing, a middle section fittingly received in the first and second holes and urging the mounting tongue against the mounting seat and a lower section defining a threaded hole therein; a printed circuit board contacting the second face of the housing; and a screw extending through the printed circuit board to threadedly engage with the threaded hole of the post and causing the middle section of the post to tightly urge the mounting tongue against the mounting seat thereby simultaneously fixing the shielding/grounding shell to the housing and the connector to the printed circuit board.

Claim 9

The electrical connector in accordance with claim 6, wherein the printed circuit board has a grounding circuit electrically connecting with the post.

Claim 10

The electrical connector in accordance with claim 6, wherein the shielding/grounding shell has a grounding foot extending beyond the second face of the housing to electrically connect with a grounding circuit on the printed circuit board.

Claim 11

The electrical connector in accordance with claim 6, wherein the middle section of the post has a hexagonal configuration.

Claim 12

An electrical connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face, a number of first contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the corresponding first contact passageways; a number of contacts interferentially received in the first and second contact passageways; a conductive post having a domed upper section located above the first face, a polygonal middle section fitting received in the first housing, and a lower section received in the second housing and defining a threaded hole therein.

Claim 13

An electrical connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face, a number of first contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the corresponding first contact passageways; a number of contacts interferentially received in the first and second contact passageways; a conductive post having a domed upper section located above the first face, a polygonal middle section fitting received in the first housing, and a lower section received in the second housing and defining a threaded hole therein.

Claim 14

The electrical connector in accordance with claim 10 further comprising: a first conductive shielding/grounding shell covering the first housing; and a second conductive shielding/grounding shell covering the second housing and having an engaging jaw engaging with the second housing, sandwiched between the second and third faces and in contact with the post; wherein the polygonal middle section of the post urges a part of the first conductive shielding/grounding shell against the first housing.

Claim 15

The connector in accordance with claim 11, wherein the first housing comprises a recess on the second face and the second housing comprises a protrusion on the third face, said protrusion fittingly extending into the recess.

Claim 16

The connector in accordance with claim 12, wherein the engaging jaw engages an engaging block defined by the third face below the protrusion.

Claim 17

The connector in accordance with claim 11 wherein the second shielding/grounding shell comprises a grounding foot extending beyond the fourth face.

Claim 18

The connector in accordance with claim 11 wherein the second shielding/grounding shell consists of two identical pieces each having two mounting edges on two literal ends thereof, respectively, said mounting edges extending into mounting grooves defined in two lateral ends of the second housing.

Claim 19

The connector in accordance with claim 10, wherein the lower section of the post has a bottom face flush with the fourth face of the second housing.

Claim 20

A combination of an electrical connector and a printed circuit board, comprising: a connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face and a fourth face opposite the third face; a conductive post having an upper section located above the first face, a polygonal middle section fittingly received in the first housing and a lower section received in the second housing and defining a bottom face and a threaded hole therein; a printed circuit board having a fifth face in contact with the fourth face, a sixth face opposite the fifth face, and a grounding circuit located on the fifth face and extending to electrically connect with the bottom face of the conductive post; a number of contacts received in the contact passageways and having terminal portions soldered to the printed circuit board; and a screw extending from the sixth face through the printed circuit board to threadedly engage with the lower section of the post to connect the first and second housings together to the printed circuit board.

Claim 21

A combination of an electrical connector and a printed circuit board, comprising: a connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face and a fourth face opposite the third face; a conductive post having an upper section located above the first face, a polygonal middle section fittingly received in the first housing and a lower section received in the second housing and defining a bottom face and a threaded hole therein; a printed circuit board having a fifth face in contact with the fourth face, a sixth face opposite the fifth face, and a grounding circuit located on the fifth face and extending to electrically connect with the bottom face of the conductive post; a number of contacts received in the contact passageways and having terminal portions soldered to the printed circuit board; and a screw extending from the sixth face through the printed circuit board to threadedly engage with the lower section of the post to connect the first and second housings together to the printed circuit board.

Claim 22

A combination of an electrical connector and a printed circuit board, comprising; a connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of first contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the first contact passageways; a conductive post having a domed upper section located above the first face, a polygonal middle section fittingly received in the first housing and a lower section received in the second housing and defining a threaded hole therein; a conductive shielding/grounding shell covering the second housing and having an engaging jaw engaging with the second housing, sandwiched between the second and third faces and in contact with the conductive post, and a grounding foot extending beyond the fourth face; a printed circuit board having a fifth face in contact with the fourth face, a sixth face opposite the fifth face, and a grounding circuit electrically connected with the grounding foot of the shielding/grounding shell; a number of contacts interferentially received in the first and second contact passageways and having terminal portions soldered to the printed circuit board; and a screw extending from the sixth face through the printed circuit board to thrededly engage with the lower section of the post to cause the first and second housings and the shielding/grounding shell to be fixed together to the printed circuit board.

Claim 23

A combination of an electrical connector and a printed circuit board, comprising; a connector, comprising: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of first contact passageways defined between the first and second faces; a second dielectric housing having a third face engaging with the second face, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the first contact passageways; a conductive post having a domed upper section located above the first face, a polygonal middle section fittingly received in the first housing and a lower section received in the second housing and defining a threaded hole therein; a conductive shielding/grounding shell covering the second housing and having an engaging jaw engaging with the second housing, sandwiched between the second and third faces and in contact with the conductive post, and a grounding foot extending beyond the fourth face; a printed circuit board having a fifth face in contact with the fourth face, a sixth face opposite the fifth face, and a grounding circuit electrically connected with the grounding foot of the shielding/grounding shell; a number of contacts interferentially received in the first and second contact passageways and having terminal portions soldered to the printed circuit board; and a screw extending from the sixth face through the printed circuit board to thrededly engage with the lower section of the post to cause the first and second housings and the shielding/grounding shell to be fixed together to the printed circuit board.

Claim 24

The combination in accordance with claim 18, wherein the shielding/grounding shell is formed as a single piece.

Claim 25

An electrical connector assembly including: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of first contact passageways defined between the first and second faces; a first shielding/grounding shell enclosing said first housing; a second dielectric housing having a third face engaging with the second face of the first housing, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the corresponding first passageways, respectively; a second shielding/grounding shell enclosing said second housing; and a conductive post extending through the first and second housings, having an upper section located above the first face of the first housing, a middle section urging a mounting tongue of the first shielding/grounding shell against the first housing, and a lower section defining a threaded hole therein forming a bottom face thereof flush with the fourth face of the second housing and contacting grounding circuitry of a circuit board, on which the connector assembly is mounted; and a screw extending through the circuit board and threadedly engaging with the threaded hole of the conductive post.

Claim 26

An electrical connector assembly including: a first dielectric housing having a first face for engaging with a mating connector, a second face opposite the first face and a number of first contact passageways defined between the first and second faces; a first shielding/grounding shell enclosing said first housing; a second dielectric housing having a third face engaging with the second face of the first housing, a fourth face opposite the third face and a number of second contact passageways defined between the third and fourth faces and in alignment with the corresponding first passageways, respectively; a second shielding/grounding shell enclosing said second housing; and a conductive post extending through the first and second housings, having an upper section located above the first face of the first housing, a middle section urging a mounting tongue of the first shielding/grounding shell against the first housing, and a lower section defining a threaded hole therein forming a bottom face thereof flush with the fourth face of the second housing and contacting grounding circuitry of a circuit board, on which the connector assembly is mounted; and a screw extending through the circuit board and threadedly engaging with the threaded hole of the conductive post.

Claim 27

An arrangement of eliminating electro-magnetic interference of a connector assembly, comprising: a first housing defining a first hole; a first shielding/grounding shell enclosing said first housing; a second housing defining a second hole in alignment with said first hole; a second shielding/grounding shell enclosing said second housing; and at least one conductive post including a first section received within the first hole of the first housing and contacting said first shell, and a second section opposite to said first section, received within the second hole of the second housing and contacting the second shell.

Claim 28

An arrangement of eliminating electro-magnetic interference of a connector assembly, comprising: a first housing defining a first hole; a first shielding/grounding shell enclosing said first housing; a second housing defining a second hole in alignment with said first hole; a second shielding/grounding shell enclosing said second housing; and at least one conductive post including a first section received within the first hole of the first housing and contacting said first shell, and a second section opposite to said first section, received within the second hole of the second housing and contacting the second shell.

Claim 29

The electrical assembly in accordance with claim 20, wherein the second shielding/grounding shell comprises a pair of separate identical pieces, each having two mounting edges on two lateral ends thereof.

Claim 30

The electrical connector assembly in accordance with claim 22, wherein each separate piece comprises a pair of long engaging jaws extends from a top edge of two lateral portion thereof, and a pair of short engaging jaws between the long engaging jaws.

Claim 31

The electrical connector assembly in accordance with claim 22, wherein each separate piece comprises a pair of grounding feet extends downward from a bottom edge thereof.