| 摘要 |
PCT No. PCT/FI92/00259 Sec. 371 Date Mar. 30, 1994 Sec. 102(e) Date Mar. 30, 1994 PCT Filed Sep. 30, 1992 PCT Pub. No. WO93/07341 PCT Pub. Date Apr. 15, 1993An apparatus, connectable to a driving machine with an articulated boom system, which is operated by percussion energy and drives into or draws up from the ground piles or walls and grasps with its gripping jaws objects (17) on the ground or objects that are to be driven into the ground characterized in that the apparatus comprises a turning equipment system that transmits percussion energy to the object in order to grip with its jaws (16) the object both with a firm hold of the jaws in the blow direction and an essentially vertical grip of the jaws and that the apparatus transmits the percussion force to the object in line with its travel direction when both grips with the jaws are used.
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