| 摘要 |
PURPOSE: Wheels are connected to a lower part of a support to easily move along a staircase, thereby facilitating transferring work. CONSTITUTION: A load is transferred by connecting a wheel in both sides of a support(102) having a handle in front part. A supporting protrusion(103) is formed in rear part of the support to support the load. Fixtures having wheels(106,107) are installed in lower part of the support. The rear fixture(105) is fixed to the support, while the front fixture(104) is movable back and forth in lower part of the support.
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