# US 11,444,402 B2 · Electrical socket with contoured contact beams

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- Number: US 11,444,402 B2
- Document ID: US11444402B2
- Status: Granted
- Kind: B2
- Application number: 17/170,348
- Filed: 2021-02-08
- Published: 2021-06-03
- Granted: 2022-09-13
- Earliest claimed: 2018-03-29
- Assignees: Amphenol Corporation
- Applicants: Amphenol Corporation
- Inventors: Michael E. Uppleger
- Web page: https://patentgrep.com/patent/US11444402B2

## CPC

- H01R 13/111: {co-operating with pins having a circular transverse section}
- H01R 13/187: with spring member in the socket
- H01R 24/86: Parallel contacts arranged about a common axis
- H01R 43/16: for manufacturing contact members, e.g. by punching and by bending
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS

## Abstract

An electrical socket and method of making an electrical socket. The socket includes a body that has spaced contact beams extending between the first and second ends and an inner receiving area for accepting a mating pin. The contact beams are configured for aligning into a hyperbolic geometry. Each of the contact beams has a middle section between first and second end sections. Each middle section has a pre-formed contour that defines a cross-section of each contact beam that defines a fully radiused, inner contact area without sharp edges such that each middle section extends further into the inner receiving area than the first and second end sections when the contact beams are aligned into the hyperbolic geometry and such that the fully radiused, inner contact areas of the contact beams are positioned for contact with the mating pin when inserted into the inner receiving area of the socket body.

## Claims

### Claim 1

An electrical socket, comprising:
a socket body defining a longitudinal axis and having opposite first and second end rings, a plurality of spaced contact beams extending between the first and second end rings, and an inner receiving area for accepting a mating pin, the first and second end rings can be positioned with respect to the longitudinal axis for aligning the contact beams into a hyperbolic geometry,
each of the contact beams comprising a middle section between first and second end sections, the first and second end sections being attached to the first and second end rings, respectively, and the middle section of each contact beam being longer and wider than each of the first and second end sections,
wherein the middle section of each contact beam has a pre-formed longitudinal contour prior to aligning the contact beams into the hyperbolic geometry,
wherein the pre-formed longitudinal contour defines a fully radiused, inner contact area without sharp edges such that each middle section of each contact beam has a generally C-shaped cross-section and extends further into the inner receiving area than the first and second end sections, and
wherein each pre-formed longitudinal contour of each contact beam is configured to match the radius of the mating pin such that the fully radiused, inner contact areas of the contact beams are positioned for contact with the mating pin when the mating pin is inserted into the inner receiving area of the socket body.

### Claim 2 (depends on 1)

The electrical socket of claim 1, wherein the contact beams are configured for aligning into the hyperbolic geometry by twisting the contact beams and the pre-formed contour of each contact beam is a pre-twist, pre-formed contour.

### Claim 3 (depends on 1)

The electrical socket of claim 1, wherein the first and second end rings of the socket body are rotatably offset from one another with respect to the longitudinal axis of the socket body.

### Claim 4 (depends on 1)

The electrical socket of claim 1, wherein each contact beam has a teardrop shape.

### Claim 5 (depends on 1)

The electrical socket of claim 1, wherein the socket body is substantially cylindrical.

### Claim 6 (depends on 1)

The electrical socket of claim 1, wherein the socket body is a one-piece unitary member.