| 摘要 |
A lockup mechanism for an infant stroller comprises a lockup member having a protrusion at one end thereof and a cavity at the other end thereof and received in a rear leg of the stroller to be movable between a first position where the protrusion is retreated inside the rear leg and a second position where the protrusion is protruded outside the rear leg; and a spring provided in the cavity of the lockup member for biasing the lockup member towards the second position, wherein when the frame of the stroller is in the collapsed position, the rear leg can be fixed with respect to the joint by the lockup member biased toward the second position by the spring so that the protrusion of the lockup member abuts against the joint, and the rear leg can be released to rotate freely with respect to the joint by moving the lockup member from the second position to the first position against a biasing force of the spring so that the frame can be moved from the collapsed position to the operating position.
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