SEAT CUSHION DEVICE

A seat cushion device capable of adjusting hardness of a seat cushion including a seating surface, on which a user is seated, includes a recessed part that is formed in a back surface of the seating surface in the seat cushion, a left plate that faces a back surface of a left thigh holding part of t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAHAGI, TSUBASA, SEKI, KUNIO
Format: Patent
Sprache:eng
Schlagworte:
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