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-0106697 (1987-10-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 3 |
A readily detachable and fully rotatable coupling between a mast and sailboard is described, comprising a male portion with a circumferential groove, and a female portion with a recess to receive the male portion, and spring-biased tongues extending into the recess for engagement with the circumfere
Apparatus for detachably connecting a mast to a sailboard, said apparatus comprising: a connecting member securable to an end of said mast, said connecting member terminating in a circular end having a circumferential groove; a receiving member securable to said sailboard, said receiving member cont
※ AI-Helper는 부적절한 답변을 할 수 있습니다.