发明名称 |
MANHOLE HEIGHT ADJUSTMENT IMPLEMENT AND MANHOLE CONSTRUCTION METHOD THEREBY |
摘要 |
The purpose of the present invention is to provide a manhole height adjustment apparatus, which comprises: a main frame (10); a rotary driver (20) that is connected to a rotary axis of the rotary center part of the main frame (10) to rotate the main frame (10); multiple rakes (30) that are located in the radial direction based on the rotary center part of the main frame (10) and extended to the location where a manhole cover (4) is installed facing the upper part of a road pavement material (2); and a cutting bit (40) that is included in the rake (30) to form a cutting gully (2CL) on the road pavement material around the manhole cover (4) according to the descending rotation of the main frame (10) and the rake (30). |
申请公布号 |
KR20140049156(A) |
申请公布日期 |
2014.04.25 |
申请号 |
KR20120114601 |
申请日期 |
2012.10.16 |
申请人 |
PARK, KYUNG HEE;CHO, SEONG UK |
发明人 |
PARK, KYUNG HEE;CHO, SEONG UK |
分类号 |
E02D29/12 |
主分类号 |
E02D29/12 |
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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