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) | B60P-003/10 |
미국특허분류(USC) | 280/4713 ; B ; 280/791 ; A ; 280/414A |
출원번호 | US-0721394 (1976-09-08) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A dolly for wheeling a boat from a car to a body of water and back including a wheel on a bracket removably received within a slot formed by a pair of depending flanges on a mounting plate secured to the bow of the boat. The bracket is removably locked in place in the slot between the flanges by a pair of spring clips on the plate in front of and in back of the slot. The wheel bracket and wheel is removable from the slot when the boat is launched into the water by raising the wheel bracket to clear one of the clips at the front of the slot.
A dolly for transporting a boat over a surface comprising: a substantially planar mounting plate adapted to be secured to the bow of a boat, and a wheel bracket including a wheel rotatably mounted thereon removably secured to said mounting plate, said mounting plate including depending flange means forming a slot for receiving said wheel bracket, and means for removably locking said wheel bracket on said plate in said slot, said removable locking means including a substantially U-shaped resilient clip on said mounting plate in front and back of said slot...