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MANHOLE COVER FRAME FOR MANHOLES
专利权人:
ZANATTA, BRUNO
发明人:
ZANATTA, BRUNO
申请号:
EP20130801741
公开号:
EP2917417(B1)
申请日:
2013.09.17
申请国别(地区):
欧洲专利局
年份:
2016
代理人:
摘要:
A manhole cover frame for manholes, capable of being placed so as to bear on an edge of the mouth of said manhole, comprising a plurality of pairs of intercommunicating cavities, wherein a first cavity extends in a direction which is substantially parallel to a plane defined by the mouth of the manhole, the first cavity being insertable into a seat formed on the edge of the manhole, and a second through-cavity that extends in a direction which is perpendicular to the longitudinal extension of the first cavity. This first cavity is suitable for the removable insertion of a lifting element and the second cavity is suitable for the insertion of a lifting bar, the lifting bar having a head in which at least part of the lifting element can be engaged so as to lift the frame from the manhole.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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