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    • 9. 发明专利
    • TUMBLING DEVICE PROVIDED WITH L-SHAPED ARM
    • JPH0841829A
    • 1996-02-13
    • JP20147394
    • 1994-08-03
    • TOMOE GIKEN KK
    • ONOE HISAHIROTOKUMURA KANAE
    • E01D21/00B66C13/08E04G21/16
    • PURPOSE:To provide a tumbling device which can be vertically lifted when it is lifted by a crane and has less movement resulting from the tumbling since the rotary axis is shifted and can be tumbled in a less area and further in which a base frame can be made small. CONSTITUTION:This tumbling device is provided with a L-shaped arm 2 tumbling with a structure 1 placed thereon, a base frame 8, a carrier base 6 transferring the guide thereof. The rotary shaft 3 of the L-shaped arm 2 is provided on the carrier base 6. A wire 13 is hooked on the L-shaped arm 2 loading the structure 1. And it is lifted by a crane. In this way, The structure 1 is rotated toward the arrow mark around the rotary shaft 3 as shown in the (b) stage. The rotary shaft is moved to the arrow direction, to the left, and the wire 31 can be always lifted vertically. When the center of gravity of the structure 1 placed on the L-shaped arm 2 passes on the perpendicular line, the L-shaped arm 2 rotates around the rotary shaft 3 owing to the gravity of the structure 1 to tumble the structure 1 by 90 degrees.