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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0216593 (1980-12-15) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 27 인용 특허 : 2 |
A tray and seat are adjustable vertically with respect to a base on a baby walker. Connecting means extending from the tray to the base is associated with a pawl having teeth meshed with a rack on the bottom surface of the tray. The meshed teeth are shaped so that the tray and seat can be elevated w
A baby walker comprising a tray and seat adjustable as a unit vertically with respect to a base by connecting means extending therebetween, at least one rack fixedly mounted to a bottom surface of said tray, said rack having teeth, a pawl slideably supported with respect to said connecting means adj
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