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-0027349 (1987-03-18) |
우선권정보 | DE-3610622 (1986-03-29) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 9 |
A dumbbell type exercising device wherein two hollow weights are integrally connected to each other by a flat coupling member having a centrally located opening for a metallic ring which surrounds a diametrically extending handle. The ring can rotate with the handle relative to the coupling member a
A dumbbell type exercising device comprising two spaced-apart weights at least one of which is hollow; an elongated coupling member disposed between and integral with said weights; a ring installed in and being rotatable relative to said coupling member about an axis which extends transversely of th
※ AI-Helper는 부적절한 답변을 할 수 있습니다.