Anchorage system allowing extraction of plates etc. encased in ground - comprises threaded shaft, anchorage part, drilled part or stretched plate fixed to end of shaft with axle encased in shaft and lockable by nut

摘要

The anchorage device comprises a special threaded shaft (1) equipped with an anchorage ring (2), a drilled part (3) or a stretched plate fixed to the other end of the shaft by the intervention of an axle and encased in the shaft to allow the passage in the hole of the plates, and a nut (4) of steel forged on the threaded shaft and allowing the locking. The drilled part may end in a lever allowing its passing to the vertical position from the horizontal position. USE - Allows transfer and extraction of elements from the ground such as plates, grilles or other articles.