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) | A47G-019/22 B67D-003/02 |
미국특허분류(USC) | 220/715 ; 220/7105 ; 220/714 ; 222/484 |
출원번호 | US-0354162 (1994-12-08) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 53 인용 특허 : 0 |
A receptacle cover is disclosed incorporates an actuating trigger connected to a pair of biased valves that seal off the dispensing conduit and the relief vent from the top side of the cover. This construction isolates most of the linkage between the valves and the actuator from the contents of the receptacle. The actuator is a trigger located proximate the upper portion of a handle extending from the cover, and is linked to the valves by a wire that extends to, and moves, a rotating rod that is perpendicularly disposed in relation to the wire. The rod, ...
A cover for a receptacle, the receptacle having an interior and means to define an opening thereinto, comprising: detachable securement means, for attaching and detaching said cover over the receptacle opening; a plate having a top and a bottom, said plate including a first dispensing aperture and a second inflow aperture both said first and second apertures extending completely from said top to said bottom of said plate, said plate being dimensioned such that the receptacle opening is otherwise substantially completely covered when said cover is attache...