Patent · US Active

Vehicle seat

US11472364B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Andreas Huf · Neusäß, DE
Sylvia Kleindl · Munich, DE
Fabian Koehler · Valley, DE
Robert Martin · Milford, US
Martin Unger · Berlin, DE

Key dates

Filing date	Aug 28, 2019
Grant date	Oct 18, 2022
Priority date	—
Expiry date	Aug 28, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60N2/70
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A vehicle seat has a lower seat part and a seat backrest. The seat backrest has a backrest structure, a central backrest section which has at least one backrest cushion and a backrest cover, and a left and a right backrest side wall. The seat backrest is provided with at least one expansion element which has at least one cavity that is enclosed by a membrane and can be filled with an expansion fluid from a fluid source. At least one respective fillable cavity of the at least one expansion element is integrated into the backrest cushion of the central backrest section or is provided between the backrest structure and the backrest cushion of the central backrest section to the left and the right of the backrest longitudinal central plane at a lateral distance thereto.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.