Id transmitter with mechanical key

EP3842607B1Active Publication Date: 2025-09-10HUF HÜLSBECK & FÜRST GMBH & CO KG
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Patent Information

Application Number
EP2020215487
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-12-27
Filing Date
2020-12-18
Publication Date
2025-09-10
Estimated Expiration
2040-12-18

AI Technical Summary

Technical Problem

Existing electric vehicle keys with mechanical key shafts secured by locking pins face instability due to manufacturing tolerances, leading to insecure attachment over time.

Method used

A design featuring a key shaft with a coding section, fastening section, and housing, where the key shaft is movably mounted within a bearing and integrally connected to it, using adhesives or soldering, with a wedge-shaped fastening section for enhanced stability, and optionally a fixing pin for additional support.

Benefits of technology

Ensures a stable and durable attachment of the key shaft to the housing, maintaining integrity despite manufacturing tolerances, while being cost-effective and simple to produce.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an electric key (2), in particular an ID transmitter for a locking device (30) of a motor vehicle (32), with a key shaft (4) comprising a coding section (6) for transmitting coded information and a fastening section (8) for fastening the key shaft (4), a housing (10) for receiving the key shaft (4), a bearing (12) arranged within the housing (10) for receiving and movably supporting the key shaft (4), wherein the key shaft (4) is at least partially bonded to the bearing (12) within the fastening section (8).
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Citation Information

Patent Citations

  • Key, particularly remote key for vehicle, has housing with top shell and lower shell and rotating carrier that is formed for carrying key shaft, where rotating carrier is rotatably mounted with bearing elements

    DE102010060317A1

  • Transmitter for a remotely controlled locking device for an automotive vehicle

    EP0267429A1

  • Ornamental folding handle adaptable to key.

    ES1043666U

  • Interchangeable key system

    US20050241353A1