| 摘要 |
The stroller has a wheel unit with a wheel placed on and rotatable about an axle, where the wheel is formed with a set of retaining grooves. A brake device (20) has a control cable (52) with controlling end to move a driving seat between braking and non-braking positions. A swing unit has a swing arm that is rotated to an engagement position so as to engage one of the grooves when the seat moves to the braking position.
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