| 摘要 |
PROBLEM TO BE SOLVED: To provide a direction changing rotary board in a carriage capable of changing the cargo direction and the moving direction at time of cargo loading/unloading and transporting. SOLUTION: A sphere 2 is arranged between an upper rotary board 1a and a lower rotary board 1b, a rotation stopping square hole and a rotation stopping round hole for temporary stopping are arranged on the periphery of the rotary boards, a rotation stopping piece 9 is installed in the rotation stopping square hole, and a rotation stopping pin can be vertically inserted into the rotation stopping round hole from an upper surface.
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