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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0493697 (1990-03-15) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A hinge for a self-closing door includes a pair of hinge leaves having their respective knuckles joined to a hinge pin, one of the hinge leaves being fixed to the hinge pin and the other rotatable with respect to the same. A torsion spring is wound when the door to which the hinge is attached is ope
A hinge to be attached to a door, comprising: a hinge pin; a first hinge leaf fixed to said hinge pin; a second hinge leaf being rotatably mounted to said hinge pin; means for biasing said second hinge leaf towards said first hinge leaf; friction means for generating a friction force to arrest the r
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