| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need for a large storage space for storing a hand truck, when stored, by making a frame foldable for reducing the occupation area of the hand truck, when folded. SOLUTION: The hand truck comprises the foldable frame 1 consisting of two rectangular main frames 2 and two rectangular link plates 4 axially mounted with each other into a parallel link form, a self-advancing wheel 7 mounted at the lower part of the frame 1 and a pallet guide 10 mounted on the upper part of the frame 1 for fitting a cargo-placed pallet.
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