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) | B23Q-007/10 B23P-011/00 |
미국특허분류(USC) | 29/814 ; ; 29/8112 ; ; 29/24356 ; ; 24/67 ; R |
출원번호 | US-0314640 (1994-09-29) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 27 인용 특허 : 9 |
A spring clip in the form of a generally U-shaped clamp, the clamp comprising a pair of holding members for resiliently gripping sheets of paper or the like inserted therebetween. The holding members having forward or leading ends extending outwardly, folded back over themselves with J-shaped hook cross-section, and formed as outer lips portions of clamping jaws with the openings of the J-shaped hooks facing the rear ends of the holding members. The openings of the J-shaped hooks provide access to which leading guides of special opening applicator are en...
A spring clip in the form of a generally U-shaped clamp for holding sheet material, comprising: two substantially flat holding members, each holding member including parallel side edges, a front end, and a rear end opposite said front end; and a rear bight joining member; said rear bight joining member being connected to and between said rear ends of said holding members, and resiliently biasing said front ends of said holding members together with a predetermined clamping force such that said front ends are adjacent to each other; each of said front end...