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) | F16C-011/00 |
미국특허분류(USC) | 403/96 ; 403/97 ; 403/84 |
출원번호 | US-0740916 (1991-08-06) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 48 인용 특허 : 0 |
An adjustable jointed coupling (10) for attaching paint rollers, paint brushes, paint shields, and other tools to detachable handles or extension rods, which is rotatable about a central axis through a displacement window of approximately two-hundred degrees. The jointed coupling (10) includes a shank (50) with male threads (52) for accepting a paint roller handle or the like, and a shank (12) with female threads (14) for accepting a handle or extension rod. Each half of the coupling is geared internally and may be locked into a selected position by mean...
A hinged coupling unit, comprising: (a) a first support member; (b) a first housing member, said first housing member secured to and projecting from said first support member, said first housing member including a first cavity having a first annular toothed portion, said first housing member including a first through hole coaxial with said first annular toothed portion; (c) a second support member; (d) a second housing member, said second housing member secured to and projecting from said second support member, said second housing member including a seco...