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) | B65H-075/34 |
미국특허분류(USC) | 137/35516 |
출원번호 | US-0472144 (1974-05-22) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
A hose reel apparatus for garden and other type hoses which rewinds the hose after it has been pulled from the reel and automatically shuts off the flow of fluid through the hose and drains the fluid from the hose after it has been rewound. The apparatus includes a fluid motor powered by the fluid which is also directed through the hose, and fluid valving utilizing fluid pressure for stopping fluid flow through the hose. The valving is responsive to an increase in fluid pressure resulting from restriction in the rotation of the hose reel after the hose h...
Hose reel apparatus comprising in combination, a cylindrical hose reel; support means for rotatably supporting said reel on an axis of rotation; winding means for directing and guiding a hose around and along said reel as said reel is rotated on said axis including fluid motive power means on said support means for rotating said reel about said axis; fluid valve means for controlling operation of said fluid motive power means and for controlling fluid flow to a hose on said reel when the hose is connected to said fluid valve means, said fluid valve means...