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) | A47F-005/00 |
미국특허분류(USC) | 211/194 ; 108/535 ; 108/551 ; 211/189 |
출원번호 | US-0651201 (1976-01-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 1 |
A carrying rack having a quadrangular support base with support legs at the corners. Vertical support posts are detachably mounted to the support legs at the corners of the base and two cross-pieces are provided, one detachably mounted on two of the posts, and the other detachably mounted on the other two posts. The cross-pieces slide down the posts to rest on the load carried between the posts. The rack can also include a set of sidewalls and endwalls for replacing the set of posts and cross-pieces. The sidewalls each comprise two posts joined by panel ...
A carrying rack comprising: a quadrangular support base, said base having a vertical support leg at each corner thereof, each of said support legs projecting downwardly beneath said support base and having an upwardly opening socket therein; a one-piece vertical support post for each corner, the lower end of each support post being slidably insertable into and removable from the upwardly opening socket of its associated support leg, said lower end of said post and said upwardly opening socket being arranged so that when said lower end is inserted into sa...