摘要 |
PCT No. PCT/FI91/00185 Sec. 371 Date Dec. 22, 1992 Sec. 102(e) Date Dec. 22, 1992 PCT Filed Jun. 11, 1991 PCT Pub. No. WO91/19880 PCT Pub. Date Dec. 26, 1991.An apparatus for storing drill rods, comprising two drill rod cartridges each comprising a rotating rotor provided with finger boards, guides for guiding the drill rods into gaps formed by the finger boards circumferentially around the axis of the rotor. The rotors are arranged to rotate in opposite directions in such a way that projections in the finger boards of one rotor are positioned in alignment with gaps in the other rotor, the drill rods being positioned therebetween and then passed alternately with the rotor of the two cartridges along spirals to a circumference about the rotors. |