| 摘要 |
A wagon includes a cart body having front and rear wheel units mounted on a bottom side. A steering rod is connected pivotally to a pivot seat that is connected to the front wheel unit. A wheel braking device includes a transmission unit interconnecting the steering rod and a pair of brake plates that are connected pivotally to a rear end of the cart body. The steering rod is operable so as to dispose the cart body in a selected one of a movable state, wherein the steering rod is pivoted away from a front end of the cart body such that the brake plates are moved by the transmission unit rearwardly and away from the rear wheel unit, and a stationary state, wherein the steering rod is pivoted toward the front end such that the brake plates are moved by the transmission unit forwardly and toward the rear wheel unit.
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