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) | B62B-001/12 |
미국특허분류(USC) | 280/4726 ; 280/4718 ; 280/4733 |
출원번호 | US-0159189 (1980-06-13) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 33 인용 특허 : 0 |
A beach cart for carrying supplies to and from a beach picnic and for multi-functional use at the picnic site. Of a size to be carried readily in the trunk of a car, the cart has two wide independently-mounted wheels that support the cart near the rear of the bed and beneath the area where an ice chest is to be carried. A removable towing bar has a cross handle that permits the cart to be pulled readily over sandy or rough surfaces. A rotatable stanchion, that locks in the down position, provides, with the wheels, a three point support when the cart is i...
A beach cart including first and second wheels each having an axle and an annular rim tread surface of substantial width in a circular plane parallel with the longitudinal axis of its axle, a horizontal flat bed having upwardly-extending peripheral side walls, means independently mounting said wheels on the underside of said bed near opposite sides thereof and arranged to support said bed at a distance between nine and eighteen inches above the lowest surface of said wheels, said axles being positioned along a line within ten inches from a vertical plane...