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-0354815 (2003-01-29) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 18 |
A stroller includes two rear upright tubes and two assist tubes which are respectively connected to the rear upright tubes in parallel by two joint members. At least one folding assembly is connected between the two upright tubes. The rear upright tubes and the two assist tubes reinforce the structu
1. A stroller comprising:two front leg tubes each having a front wheel connected thereto and a first joint member connected to each front leg tube, two handles respectively connected to the two first joint members, the two second joint members connected to the two handles and two rear leg tubes resp
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