发明名称 |
THE CIRCLE MANHOLE COVER THAT CAN BE EASILY OPENING AND CLOSING |
摘要 |
PURPOSE: A manhole cover is provided to facilitate to open a manhole cover in the inflow of foreign material. CONSTITUTION: A manhole cover comprises a manhole cover comprises a guide hole(20), a slider(30), a sliding axle(31), a hinge connecting part(62), a connection stick(32), and a shock absorber(40). The guide hole forms on one side underbody of a manhole cover. One side of slider is inserted into the guide hole. The sliding axle passes through the guide hole as one side configuration of the slider. One end of hinge connecting part is connected with the sliding axle, as the other side configuration of the slider. |
申请公布号 |
KR101054546(B1) |
申请公布日期 |
2011.08.04 |
申请号 |
KR20100127261 |
申请日期 |
2010.12.14 |
申请人 |
SAEGYE CAST IRON CO., LTD.;KOREA WATER RESOURCES CORPPRATION |
发明人 |
CHOI, IG GU;KIM, DONG GYU;HA, KWANG WOO;NAM, IN HYUN |
分类号 |
E02D29/14 |
主分类号 |
E02D29/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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