|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||267/81 ; 5/476 ; 297/451|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 0|
A seat back structure is provided that includes a frame and spring assembly having formed wire spring members supported on the frame, and a resilient pad is mounted over the formed wire spring members and has recesses in its inner surfaces which constrain movements of the wire spring members longitudinally and transversely relative to one another.