| 摘要 |
PCT No. PCT/BE92/00003 Sec. 371 Date Dec. 14, 1992 Sec. 102(e) Date Dec. 14, 1992 PCT Filed Feb. 11, 1992 PCT Pub. No. WO92/14674 PCT Pub. Date Sep. 3, 1992.Device comprising a wedge-shaped lower part; both sloped faces of the wedge are covered by a channel, the lower face of which is in contact with the corresponding sloped face of the wedge that it covers; the wedge is driven between the two channels toward the items to be separated or the work-piece to be lifted; the channels are linked to the driving system of the wedge by connecting rods comprising articulation pivots; elastic means maintain the channels in contact with the sloped faces of the wedge.
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