发明名称 Apparatus for lifting, moving and fitting manhole covers and draining gratings
摘要 The apparatus, given the overall reference 1, is essentially made up of the following elements: - a support frame 2, - an arm 3 extended beyond the frame 2 by a longitudinal member 4, - a bracket 5 comprising three arms, a central one 6 and two lateral ones 7, 8. Grasping or unlocking tools are arranged at the end of one or more of the arms 6, 7, 8. Application: lifting, moving and fitting manhole covers and draining gratings. <IMAGE>
申请公布号 FR2610613(A1) 申请公布日期 1988.08.12
申请号 FR19870001575 申请日期 1987.02.06
申请人 WALLERICH SA ETS 发明人 CHARLES KOVACS;JEAN-MARC WALLERICH
分类号 B66F19/00;(IPC1-7):B66F11/00;E03F5/06 主分类号 B66F19/00
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