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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0682583 (1976-05-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
A seating unit with a flexible seat back having an upper portion separated into two halves positioned to support a user\s back at opposite sides of his spine, and with these halves being mounted for resiliently resisted rearward deflection relative to one another in order to accommodate movement of
A seating device comprisingly: a seat back body which has sufficient stiffness to support the back of a user but is rearwardly flexible to conform to movements of the user\s back; said body having a lower mounting portion extending upwardly at the center of the user\s back, and having two upper port
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