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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0813517 (1991-12-26) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 29 인용 특허 : 0 |
A self closing gate comprising a pair of first and second parallel and spaced vertically extending stationary posts. The gate is mounted between the posts for rotation about the first post between positions closing the space between the posts and opening the space. A pivot assembly is mounted on the
A self closing gate comprising a pair of first and second parallel and spaced vertically extending stationary posts, gate means mounted between said posts for rotation about said first post between positions closing the space between said posts and opening said space, the improvement being a pivot a
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