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) | F16B-007/04 F16B-002/18 |
미국특허분류(USC) | 403/373 ; 403/375 ; 403/397 ; 24/327 |
출원번호 | US-0916244 (1986-10-07) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A clamp to receive a protective sheet and retain that sheet in position over an object. The clamp has a first member having first and second ends and a second member also having first and second ends. There is a hinge joining the first and second members at their first ends. The first and second members are spaced from each other at a portion intermediate the first and second ends. A clamp extends between the two intermediate portions to force the two intermediate portions towards each other. At the first end of the first and second members the members c...
A clamp to receive a protective sheet and retain that sheet in position over an object, the clamp comprising: a first member having first and second ends; a second member having first and second ends; a hinge joining the first and second members at their first ends; the first and second members being spaced from each other at a portion intermediate the first and second ends; clamping means extending between the two intermediate portions to force the two intermediate portions towards each other; a first arcuate portion of the second end of the first membe...