Locking device for car doors

US11846125B2 · kind B2 · utility

Assignees

• INTEVA FRANCE SAS · FR
• MARQUARDT GMBH · DE

Inventors

• Andreas Becher · Obereschach, DE
• Achim Mink · Tuttlingen, DE
• Oliver Huppenbauer · Villingen-Schwenningen, DE
• Jean-Marc Belmond · Saint-Jean-le-Blanc, FR
• Pascal Philippe · Laronxe, FR

Key dates

• Filing date: Oct 4, 2021
• Grant date: Dec 19, 2023
• Expiry date: Nov 26, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G07C9/00309
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

The invention relates to a locking device for car doors, especially for car doors without door handles, having an electronic control unit for the authorization of access, which is connected to one or more sensors for a first operating step, i.e. a proximity sensor, a touch sensor etc. and/or an antenna for a wireless communication, i.e. a NFC (near field communication) antenna for NFC-communication with a smart device like a smart card, a mobile phone, a smart watch, a smart key, etc., and a driven mechanical lock/or unlock unit including a latching element for latching the closed door end position.According to the invention, a latching element is provided to block an intermediate position 3 of the car door 1, wherein at least one sensor 5, 5′ is accessible and/or active in the intermediate position 3 of the car door 1 for a second operating step and not accessible and/or not, active in the closed end position 2 of the car door.