최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0289167 (1988-12-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 2 |
The wheelchair of the present invention is made of a non-metallic material. The wheelchair is made so that it is easily assembled, light weight and less expensive than traditional wheelchairs. The wheelchair employs a unique hinge assembly which provides support for the seat, back and foot rest. By
A foldable chair, comprising: a pair of normally spaced generally vertically oriented side panels, each of said side panels having an elongated generally horizontal slot therein; a pair of seat panels, said seat panels each having a hinge portion extending along one edge thereof located within said
※ AI-Helper는 부적절한 답변을 할 수 있습니다.