Disclosed herein is a multi-hardness cushion having a ventilation structure. This includes a support cushion having an insert recess, and stepped portions formed on both sides of the insert recess; a friction cushion detachably provided in the insert recess and having locking parts locked to the stepped portions; a first ventilation unit having a first air flow channel provided in the insert recess, a plurality of first side flow channels provided in the stepped portions, and an air inlet opening provided in the first air flow channel; and a second ventilation unit having a second air flow channel formed in the friction cushion to face the first air flow channel, a plurality of second air flow holes formed along the second air flow channel to penetrate the friction cushion, and a plurality of second side flow holes formed in the locking parts.
MULTI-HARDNESS CUSHION FOR AUTOMOBILE AND MULTI-HARDNESS CUSHION HAVING VENTILATION STRUCTURE
KISSEN MIT MEHREREN HÄRTEN FÜR KRAFTFAHRZEUG UND KISSEN MIT MEHREREN HÄRTEN MIT LÜFTUNGSSTRUKTUR
COUSSIN À PLUSIEURS DURETÉS POUR AUTOMOBILE ET COUSSIN À PLUSIEURS DURETÉS AYANT UNE STRUCTURE DE VENTILATION
2019-08-07
Patent
Electronic Resource
English
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
MULTI-HARDNESS CUSHION FOR AUTOMOBILE AND MULTI-HARDNESS CUSHION HAVING VENTILATION STRUCTURE
European Patent Office | 2017
|Multi-hardness cushion for automobile and multi-hardness cushion having ventilation structure
European Patent Office | 2019
|European Patent Office | 2022
|Hardness-adjustable flexible cushion and automobile seat
European Patent Office | 2022
|Seat cushion with adjustable hardness and automobile seat
European Patent Office | 2024
|