US 12,448,013 B2
Upholstery structure of a vehicle seat with spring elements
Thomas Pöllinger, Regensburg (DE); Christopher Neidl, Schmidgaden (DE); and Sebastian Wegmann, Regensburg (DE)
Assigned to GRAMMER Aktiengesellschaft, Ursensollen (DE)
Filed by GRAMMER Aktiengesellschaft, Ursensollen (DE)
Filed on Sep. 25, 2023, as Appl. No. 18/473,445.
Claims priority of application No. 10 2022 125 860.2 (DE), filed on Oct. 6, 2022.
Prior Publication US 2024/0116548 A1, Apr. 11, 2024
Int. Cl. B61D 33/00 (2006.01); B60N 2/68 (2006.01); B60N 2/70 (2006.01)
CPC B61D 33/0042 (2013.01) [B60N 2/7035 (2013.01); B60N 2/707 (2013.01); B60N 2/686 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vehicle seat, in particular for rail transport, comprising:
a seat part;
a backrest part; and
a soft upholstery section arranged on at least one hard seat plate for upholstering a seat surface of the seat part, wherein the upholstery section has an upholstery cover on an upper side and an upholstery foam section, wherein an entire surface of the upholstery foam section is covered by the upholstery cover,
wherein the upholstery foam section has on its underside at least one recess in which a plurality of hollow-cylindrical spring elements made of foam material, arranged next to one another are embedded, and
wherein a foam mat extending in a seat plane of the seat part extends between an underside of the hollow-cylindrical spring elements and the seat plate.