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" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A47B-043/00 |
미국특허분류(USC) | 312/140 ; 312/250 ; 312/262 |
출원번호 | US-0033413 (1987-04-01) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 25 인용 특허 : 0 |
A portable display stand comprising a base member plate provided with a mounting plate so that wheels may be mounted in an operational or stored position on the base member with the base member also being provided with a support system. A plurality of sidewall panels are provided and are hingedly connected together so that they may be moved to an operational position and supported on the support system or moved to a storage position. A top member plate is provided and has a channel system for receiving a portion of the sidewall panels to be supported the...
A portable display stand comprising separate sections which, in a disassembled relationship, may be combined into a storable and transportable package and which may be readily assembled without requiring tools for use as a sturdy, movable display stand where desired comprising: at least base member means, sidewall member means and top member means; said base member means comprising: a base member plate having a length, a width and a thickness and upper and lower surfaces; said base member plate having opposed parallel front and rear edge portions and opp...