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) | A63C-017/04 |
미국특허분류(USC) | 280/087.041 ; 280/011.201 |
출원번호 | US-0479655 (2000-01-10) |
우선권정보 | TW8201817 (1999-02-02) |
발명자 / 주소 | |
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 41 인용 특허 : 2 |
A brake device for a skate cart includes a rear wheel hood pivotally connected to the frame of the skate cart and the rear wheel hood has a curved engaging inside so as to contact the rear wheel of the skate cart and stop the skate cart. A resilient member has one end thereof connected to the rear wheel hood and the other end of the resilient member is connected to the frame. When stepping on the rear wheel hood, the rear wheel hood is pivoted to contact the rear wheel and when removing the foot from the rear wheel hood, the rear wheel hood returns by th...
[ What is claimed is:] [1.] A skate cart comprising a frame, a front wheel and a rear wheel respectively connected to two ends of said frame, a handlebar assembly operationally connected to said front wheel, anda rear wheel hood having a front end and a rear end, said front end having a pivotal connection whereby said front end is pivotally connected to said frame and said rear end is vertically movable when said rear wheel hood pivots with respect to said frame, a resilient member having one end thereof engaged with said rear wheel hood adjacent said pi...