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) | B62B-003/00 |
미국특허분류(USC) | 194/246 ; 194/239 ; 194/344 ; 194/905 |
출원번호 | US-0701105 (1985-02-13) |
우선권정보 | DE-3405101 (1984-02-14) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 4 인용 특허 : 4 |
A device for coupling carriers comprises a housing adapted to be mounted on the carrier and having a face with an opening forming a coupling trap. A flexible cable has one end secured to the housing and an opposite end extending out of the housing which has a plug thereon which is engageable in the coupling trap of an adjacent carrier. The housing also carries a releasable lock which is engageable with the plug to hold it in the trap when it is inserted therein. The device operates electrically under the control of a coin which passes through a coin chut...
A device for coupling a carrier such as a shopping cart, comprising a housing adapted to be mounted on the carrier and having a face with an opening forming a coupling trap, a flexible cable having one end secured to said housing and an opposite end extending out of said housing having a plug thereon engageable in a coupling trap from an adjacent carrier, releasable lock means in said housing engageable with said plug to hold it in said trap, means defining a coin chute in said housing, and electrical switch means having an actuator in said chute actuabl...