# US 9,437,989 B2 · Plug for electrically mating with a receptacle

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- Number: US 9,437,989 B2
- Document ID: US9437989B2
- Status: Granted
- Kind: B2
- Application number: 14/849,750
- Filed: 2015-09-10
- Published: 2016-05-19
- Granted: 2016-09-06
- Earliest claimed: 2014-11-16
- Assignees: Yong Tai Electronic(Dongguan) Ltd.
- Applicants: Yong Tai Electronic(DONGGUAN) Ltd.
- Inventors: Ching-Jen Hsu
- Web page: https://patentgrep.com/patent/US9437989B2

## CPC

- H01R 24/60: Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R 13/6585: Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R 13/5825: {the means comprising additional parts captured between housing parts and cable}
- H01R 13/6581: Shield structure
- H01R 13/6593: the shield being composed of different pieces
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS

## Abstract

A plug comprises a plurality of top contacts embedded in a top insulator, a shielding sheet, a plurality of bottom contacts embedded in a bottom insulator, a front insulator configured to receive every cantilever of the contacts, and a front conductive shell including a base and a sheath. The top insulator, the bottom insulator and the front insulator are coupled together while the shielding sheet is wedged between the top insulator and the bottom insulator. The base protrudes outward to form a shoulder between the base and the sheath. The sheath substantially fits closely around the front insulator. The front insulator has a front edge concaved backward while the sheath has a front edge convexed backward in order to engage with the front edge of the front insulator.

## Claims

### Claim 1

A plug for electrically mating with a receptacle, comprising:
a plurality of top contacts embedded in a top insulator, wherein each of the plurality of top contacts has a top cantilever and a top leg respectively protruding forward and backward from the top insulator;
a shielding sheet, from both sides of which two retention latches respectively extend;
a plurality of bottom contacts embedded in a bottom insulator, wherein each of the plurality of bottom contacts has a bottom cantilever and a bottom leg respectively protruding forward and backward from the bottom insulator;
a front insulator configured to receive every top cantilever and every bottom cantilever and provided with a front opening for the receptacle to be correspondingly inserted in,
two ground pieces respectively disposed on a top niche and a bottom niche of the front insulator, wherein the top insulator, the bottom insulator and the front insulator are coupled together while the shielding sheet is wedged between the top insulator and the bottom insulator; and
a front conductive shell including a base and a sheath, the base protruding outward to form a shoulder between the base and the sheath, the sheath substantially fitting closely around the front insulator, the two ground pieces electrically connected to the sheath, wherein the front insulator has a front edge concaved backward while the sheath has a front edge convexed backward and forming a continuously closed loop around the front opening in order to engage with and fully cover the front edge of the front insulator such that the front edge of the sheath is seamless around the front opening.

### Claim 2 (depends on 1)

The plug set forth in claim 1 wherein an internal surface of the front edge of the sheath is substantially even with an internal surface of the front edge of the front insulator.

### Claim 3 (depends on 1)

The plug set forth in claim 1 wherein the base protrudes outward from a rear portion of the sheath, which substantially fits closely around the top insulator and the bottom insulator.

### Claim 4 (depends on 1)

The plug set forth in claim 1 wherein the shielding sheet is embedded in a mid-insulator and where the two retention latches are linked to the shielding sheet is encapsulated in two reinforced portions of the mid-insulator, the mid-insulator wedged between the top insulator and the bottom insulator, both the top insulator and the bottom insulator wedged between the two reinforced portions, from each of which a lateral cantilever and a lateral leg of each retention latches respectively protrude forward and backward.

### Claim 5 (depends on 4)

The plug set forth in claim 4 wherein each lateral cantilever is embossed with a bulge which is electrically connected to the sheath.

### Claim 6 (depends on 4)

The plug set forth in claim 4 wherein the front insulator is also configured to receive every lateral cantilever and a tongue of the receptacle while the two retention latches are adapted to engage with two notches in the receptacle.

### Claim 7 (depends on 4)

The plug set forth in claim 4 wherein the front conductive shell further comprises two tabs parallel and adjacent to the two lateral legs, the two tabs extending away from a rear edge of the front conductive shell.

### Claim 8 (depends on 1)

The plug set forth in claim 1, further comprising a paddle card, wherein the top legs and the bottom legs are mounted onto the paddle card.

### Claim 9 (depends on 8)

The plug set forth in claim 8, further comprising a rear insulator coupled to the base, wherein part of the paddle card particularly where the top legs and the bottom legs are mounted to is encapsulated in the rear insulator.

### Claim 10 (depends on 9)

The plug set forth in claim 9 wherein a plurality of solder cups are integrally formed on the rear insulator so as to expose a plurality of rear solder pads on both top and bottom surfaces of the paddle card.

### Claim 11 (depends on 9)

The plug set forth in claim 9 wherein the rear insulator is coupled to the base by either a tenon, a mortise, a flange, or a trench integrally formed on the base.

### Claim 12 (depends on 9)

The plug set forth in claim 9, further comprising a disparting rack and a cable, a plurality of wires in the cable mounted onto the paddle card, wherein a shield of the cable and the plurality of wires are separated by and rested against the disparting rack.

### Claim 13 (depends on 12)

The plug set forth in claim 12, further comprising a filler, wherein part of the disparting rack together with the plurality of wires is considerably encapsulated in the filler.

### Claim 14 (depends on 13)

The plug set forth in claim 13, further comprising an inner conductive shell wrapped around the filler and the disparting rack, wherein two arms extend away from the front conductive shell backward until the two arms are coupled to the inner conductive shell.

### Claim 15 (depends on 14)

The plug set forth in claim 14 wherein latches formed on the inner conductive shell engage with notches located at the two arms.

### Claim 16 (depends on 14)

The plug set forth in claim 14 wherein the disparting rack further comprises two collars for holding the two arms.

### Claim 17 (depends on 14)

The plug set forth in claim 14 wherein the shield is pinched between the two arms and the inner conductive shell.

### Claim 18 (depends on 14)

The plug set forth in claim 14, further comprising a strain relief and a rear conductive shell, the strain relief formed onto the cable together with a rear part of the inner conductive shell, the rear conductive shell coupled to the base and substantially wrapped around the base and the strain relief.

### Claim 19 (depends on 18)

The plug set forth in claim 18 wherein the rear conductive shell is seamless.