发明名称 Device for lifting manhole covers
摘要 A device for lifting manhole covers, such as water and hydrant covers, sewer covers and the like, has a frame with a rocking lever which in the lifting position can be positioned at least approximately perpendicularly above the cover. A hook is firmly mounted on one side in front of the rocking lever on a frame part, and a second hook is fastened on the other side behind the rocking lever to a frame part in such a way as to be pivotable about at least one horizontal axis and vertically adjustable. A supporting part lies on the same side as the second hook and is firmly connected to the frame.
申请公布号 DE3129842(A1) 申请公布日期 1983.02.17
申请号 DE19813129842 申请日期 1981.07.29
申请人 JOOSS,RICHARD 发明人 JOOSS,RICHARD
分类号 B66F19/00;(IPC1-7):E02D29/14;E03F5/00 主分类号 B66F19/00
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