| 摘要 |
PURPOSE:To raise up weight cargo stably by providing a L-shaped member, one end thereof being equipped a crane lifter a crane, the other end thereof being equipped a section to be supported by a fixed member through a pair of links. CONSTITUTION:A raising aparatus comprises a main body 2 and a triangular member 2a having a surface meeting right angles with the main body, the corner portion thereof being provided with a wheel 3 which is adapted to roll on a floor surface. The end portion of the main body is suspended by a wire W of a crane. In order to raise up a material M, the end portion of a link 9 coupled to the top of the triangular member is connected to a fixed member 10, and a roller 6 mounted at the end portion of another link 4 is guided along an inclined surface of the fixed member 10. After the material M is thus raised up, the main body is hung up and the links 4, 9 are moved in parallel, whereby the main body is lifted up without an inclination. |
