| 摘要 |
A seat device attached to a baggage handcart includes a base attached to the baggage handcart with two rear legs disposed perpendicularly thereto, the base having two frames extending therefrom for a seat plate pivotally engaged thereto which has two first receiving members and a second member disposed to a bottom, a front leg pivotally disposed to a front end of the seat plate, the front leg having a passage defined by a non-circular periphery so as to respectively receive a block and a rod therein, the block having a slit defined therein for receiving an eccentric protrusion extending from the rod such that when the rod rotated to let the protrusion be located in the slit, the block is expanded to securely contact the non-circular periphery of the passage.
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