검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A63B-021/02 |
미국특허분류(USC) | 482/124 ; 482/121 ; 482/126 ; 482/74 |
출원번호 | US-0387102 (1995-02-10) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 38 인용 특허 : 0 |
An elastic exercise device which provides varying resistance to exercise to enable a user to adjust the resistance depending on the strength of the muscles being exercised. The resistance to exercise is varied by selectively adjusting and securing the length of a resistance member. The present invention is directed to a flexible host member carrying a resistance member. The resistance member has an adjustment section which extends along at least length of the flexible host member and is accessible for adjustment. A securing member is attached to the adju...
An exercise device comprising: a flexible host member having a length, a first end, and a second end, the flexible host member defining a lumen along at least a length of the flexible host member; a resistance member having a length, a first end, a second end and an adjustment section along the length of the resistance member, the adjustment section being integral with and between the first end of the resistance member and the second end of the resistance member, the resistance member constructed of a material such that the resistance member is elastic, ...