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) | A45C-013/26 |
미국특허분류(USC) | 190/18A ; 280/37 ; 280/646 ; 280/655 |
출원번호 | US-0932720 (1992-08-19) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
An article of wheeled luggage is provided with retractible outriggers that are biased in a direction for them to extend beyond the lateral sides of the article of luggage, thus to provide stabilization for the luggage and militate against accidental tipping over of the luggage during towing of the article of wheeled luggage, the outriggers being movable against the resilient bias, in the event that an arm of the outrigger encounters an obstacle. Dual or multiple such outriggers can be provided for a large article of luggage, the outriggers being intercon...
In an anti tip-over device for an article of wheeled luggage of the type including a rectangular base, a castor wheel at one end of said rectangular base, and ground wheels at an opposite end of said rectangular base providing for the towing of said article of luggage, the improvement comprising at least one bar supported on said base for movement between a first position in which said bar is positioned entirely within the confines of said base, and a second position in which at least one end of said bar is extended laterally beyond a side of said base, ...