Vehicle seat device and method for producing a vehicle seat device

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The vehicle seat design with a snap connection for cover flaps and concealed mounting mechanism addresses high manufacturing costs and logistical complexity, ensuring cost-effective production and easy child seat installation with a visually appealing appearance.

WO2026153612A1PCT designated stage Publication Date: 2026-07-23BAYERISCHE MOTOREN WERKE AG

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Patent Information

Authority / Receiving Office: WO · WO
Patent Type: Applications
Current Assignee / Owner: BAYERISCHE MOTOREN WERKE AG
Filing Date: 2025-12-16
Publication Date: 2026-07-23

AI Technical Summary

Technical Problem

The existing vehicle seat designs with integrated child seat mounting systems face high manufacturing costs and logistical complexity due to regionally varying fastening systems and cover flap designs, which require multiple part numbers and sewing during production.

Method used

A vehicle seat design featuring a snap connection between a flexible cover flap and the lumbar support area, allowing for late attachment during assembly, with a single part number for the seat cushion cover and two part numbers for cover flaps, and using a clip connection to conceal the mounting mechanism, reducing logistical effort and manufacturing costs.

Benefits of technology

This design reduces manufacturing costs and logistical complexity while maintaining a visually appealing appearance and high seating comfort, enabling easy installation of child seats with minimal effort and allowing for adjustable backrest positions.

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Abstract

The invention describes a vehicle seat device (1) having a seat unit (2A, 2B) and a backrest unit (3A, 3B) arranged thereon, and a method for producing a vehicle seat device (1). The seat unit (2A, 2B) has an L-shaped cross section in the longitudinal direction (X) and is formed with a lumbar support region (4A, 4B) which projects in the vertical direction (Z) beyond a seat surface (2A3, 2B3) for a passenger. At least two retaining units for securing a child seat to the seat unit (2A, 2B) are positioned in the lumbar support region (4A, 4B). A flexible cover flap (5, 6) is fastened to the lumbar support region (4A, 4B) and can be used to cover retaining-unit access regions originating from a contact surface of the lumbar support region (4A, 4B). The cover flap (5, 6) is connected to the lumbar support region (4A, 4B) by means of a snap connection.

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