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) | B25G-003/00 F16B-009/00 |
미국특허분류(USC) | 403/254 ; 211/192 |
출원번호 | US-0431388 (1989-11-03) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 24 인용 특허 : 0 |
In a frame type rack having horizontal beams whose ends are adjustably fastened to vertical posts by headed pins that extend into holes formed in the posts, a latch is provided that prevents inadvertent release of the beam pins from the holes in the post. The post holes are widened at their tops for insertion of the pins and narrowed at their bottoms to engage and prevent removal of the pins therefrom. The latch includes a plate, which is fastened to the end of the beam, and upon which three vertically aligned pins are secured for extending into correspo...
A rack beam latch for securing the end of a generally horizontally arranged beam to a vertical support post having a series of similar, vertically aligned, pin receiving openings formed therein, with the beam end having an end plate which overlaps some of the openings, and with pins formed on the end plate and extending into said openings for connecting the beam to, and for supporting the beam upon, the support post, and with the pin receiving openings being vertically elongated and having upper portions that are widened relative to their lower, narrowed...