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) | A47C-007/54 |
미국특허분류(USC) | 297/194 ; 297/411 ; 297/DIG ; 4 ; 297/397 |
출원번호 | US-0189523 (1988-05-03) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A storage compartment for a wheelchair includes a lower tray for holding at least one item, the lower tray or a holding member for the lower tray, being bolted permanently to one arm of the wheelchair and the lower tray having an upper opening. A cover member is pivotally secured on the lower tray for covering the upper opening of the lower tray when the cover member is in a closed position, the cover member having an upper surface which provides an arm rest for a user of the wheelchair. Detachable storage compartments, and compartments for use with clot...
A removable storage compartment arrangement for a wheelchair of the type having at least one arm supporting structure, comprising: a storage compartment, comprising: lower tray means for holding at least one item, said lower tray means having an upper opening; and cover means mounted on said lower tray means for covering said upper opening of said lower tray means when said cover means is in a closed position, said cover means having an upper surface which provides an arm rest for a user of the wheelchair when it is in said closed position; and mounting ...