# US 12,009,618 B2 · Plug connection with backlash-free preload

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- Number: US 12,009,618 B2
- Document ID: US12009618B2
- Status: Granted
- Kind: B2
- Application number: 17/769,762
- Filed: 2020-11-24
- Published: 2022-12-08
- Granted: 2024-06-11
- Earliest claimed: 2019-11-25
- Assignees: Hirschmann Automotive GmbH
- Applicants: Hirschmann Automotive GmbH
- Inventors: Simon Eiler
- Web page: https://patentgrep.com/patent/US12009618B2

## CPC

- H01R 13/6271: {Latching means integral with the housing (H01R13/6276, H01R13/6277, H01R13/6278 take precedence)}
- H01R 13/6275: {Latching arms not integral with the housing (H01R13/6276, H01R13/6277, H01R13/6278 take precedence)}
- H01R 13/62916: {Single camming plate}
- H01R 13/62938: {Pivoting lever comprising own camming means}
- H01R 13/631: for engagement only
- H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS

## Abstract

Plug-in connection, comprising a plug-in connector (1) which can be plugged together with a mating plug-in connector, also known as a pin housing (2), it being possible to at least indirectly lock the plug-in connector (1) with the mating plug-in connector (2), characterised in that a bushing housing (3) is provided which at least partially surrounds the plug-in connector (1) and provides the locking with the mating plug-in connector or pin housing (2), and in that the plug-in connector (1), the mating plug-in connector or the pin housing (2) and the bushing housing (3) are operatively interconnected by means of a lever mechanism and can be braced together.

## Claims

### Claim 1

A plug connection comprises:
a main connector;
a mating connector latchable at least indirectly to the mating connector;
a sleeve at least partially engaged around the main connector and at least indirectly latchable to the mating connector, the sleeve or the mating connector being formed with a slot;
a lever having ends of which one carries a pin that after insertion into the slot is movable therein, the lever operatively connecting the main connector, the mating connector, and the sleeve to one another thereby bracing the sleeve and connectors against each other; and
a spring on the lever at an edge of the slot facing the mating connector and biasing the mating connector toward the main connector.

### Claim 2 (depends on 1)

The plug connection according to claim 1, further comprising:
an end stop on the sleeve and/or on the main connector and limiting displacement of the sleeve on the main connector toward the mating connector.

### Claim 3 (depends on 1)

The plug connection according to claim 1, wherein the lever is fixed in a central region so as to be pivotable on the main connector and is connected with its ends to the mating connector and the sleeve.

### Claim 4 (depends on 1)

The plug connection according to claim 1, wherein the lever has at its other end a slot that, after insertion of a pin on the mating conductor or on the sleeve, engages around the latter.

### Claim 5 (depends on 1)

The plug connection according to claim 1, wherein the spring is a leaf spring.