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 |
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국제특허분류(IPC7판) |
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출원번호 | US-0692853 (1991-04-29) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A neck exercising apparatus (10) including an elongated support member (14) adapted to be suspended from a door (100) and operatively connected to a generally U-shaped leaf spring member (20) having a head rest member (30) movably attached to the outboard leg (22) of the spring member (20); wherein,
A neck exercising apparatus comprising: a support unit including an elongated support member having an upper end, a lower end, and an intermediate portion wherein the support member is provided with means for operatively connecting the support member to a conventional vertical surface; a resistance
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