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-069/14 |
미국특허분류(USC) | 434/254 ; 434/247 |
출원번호 | US-0143287 (1998-08-28) |
발명자 / 주소 | |
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 14 |
Apparatus for training a race swimmer to start a race include a first support assembly and a first hurdle member adapted to be held by the first support assembly above the water in a swimming pool, to be removed from the first support assembly by the force of a swimmer impacting the first hurdle member and to, thereafter, be positioned to be held by the first support assembly. The present apparatus preferably are portable and very flexible so as to provide a very effective training apparatus for swimmers. In addition, a starting block apparatus includes ...
[ What is claimed is:] [1.]1. An apparatus for training a swimmer to start a race in a swimming pool containing water, which apparatus comprises:a first support assembly structured and adapted to be coupled to a deck of the swimming pool and to extend outwardly above the water in the swimming pool;a first hurdle member adapted to be held at two spaced apart locations by the first support assembly above the water in the swimming pool, to be separated from the first support assembly by the force of a swimmer impacting the first hurdle member and to, therea...