| 摘要 |
A lockable steering structure suitable for the front wheels of a baby cart for children including a grooved block slideable upon T shaped rails attached to both a support frame and a wheel mount so that in a locked position the block engages both rails, so locking the wheel mount to the support frame, and in an unlocked position the block engages only one rail. The block is secured in the unlocked position by a stud which is snap engageable with a recess on the block.
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