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) | B65G-023/00 |
미국특허분류(USC) | 198/834 ; 74/221 ; 214/21 ; 198/842 |
출원번호 | US-0555615 (1975-03-05) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
Chain conveyor with support chain comprising a frame mounting a drive sprocket and a tension sprocket, as well as an endless traction chain running therearound having a working run carrying a load that is transported, which run is supported by guides fixed to the frame through rollers having their rotational axes extending parallel with the axes of the sprockets, the rollers being pivotally interconnected in series with their ends to form an endless chain freely passing through openings in the frame, the portions of the guides surrounded by this chain ha...
A chain conveyor for transporting a load, comprising: a frame having openings; a driving sprocket mounted at one end of said frame; means mounted on said frame for rotating said sprocket; a tension sprocket mounted at the opposite of said frame with respect to said driving sprocket; guides fixed to said frame between said sprockets; rollers having their rotational axes extending parallel with those of said sprockets, said rollers being pivotally interconnected, with their ends in series, so as to form an endless chain freely passing through said openings...