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) | A47B-083/02 |
미국특허분류(USC) | 280/304.1; 297/150; 297/155 |
출원번호 | US-0359946 (2003-02-06) |
발명자 / 주소 | |
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 6 |
A tray assembly which provides a tray and may be attached to most chair assemblies, such as a wheelchair, stationary chair, or the like, is disclosed. The tray assembly is constructed so that the tray is movable between a utilization position and a storage position while still allowing an occupant of the chair assembly to use the chair assembly in its fullest capacity. A first arm of the tray is connected by a swivel assembly to an extension member. The extension member is coupled with a mounting tube, the extension member may rotate and slide in a teles...
A tray assembly which provides a tray and may be attached to most chair assemblies, such as a wheelchair, stationary chair, or the like, is disclosed. The tray assembly is constructed so that the tray is movable between a utilization position and a storage position while still allowing an occupant of the chair assembly to use the chair assembly in its fullest capacity. A first arm of the tray is connected by a swivel assembly to an extension member. The extension member is coupled with a mounting tube, the extension member may rotate and slide in a teles...