최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0701887 (1991-05-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A door security system has a floor contacting foot pivoted on a prop itself pivoted on a locking system adjustably attached to a door support removably mountable on a door by a detachable bracket. The system is simple to install. A door so equipped can be opened a slit for conversation but insuffici
In a security system kit for mounting to the inner face of a door to engage the floor to prevent the door being opened comprising in combination: bracket means, support means mountable on said door by said bracket means, prop means pivotally mounted in said support means by locking system means, and
※ AI-Helper는 부적절한 답변을 할 수 있습니다.