| 摘要 |
A caster wheel locking system is provided for a walk-behind mower. The system includes a caster wheel lock on each of the front caster wheels that locks and aligns the front caster wheels in a forward direction if the traction drive bar is in the forward drive position, and unlocks the front caster wheels to allow the front caster wheels to steer freely if the traction drive bar is in the neutral position. A traction drive bar is connected to the handle and moves between a neutral position and a forward drive position in which the pair of rear wheels rotate to propel the mower forward.
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