Patent ID: 8418816

Claim:
A brake mechanism for a stroller, the stroller comprising a first support member and a first wheel, the first wheel having a first hub, the brake mechanism comprising: a first wheel base connected to the first support member, the first wheel being pivotally connected to the first wheel base; a ratchet pivotally connected to the first wheel base, the ratchet comprising a first tooth-shaped structure and a second tooth-shaped structure, the first tooth-shaped structure having a plurality of first and second engaging teeth arranged interlacedly, a tooth depth of the first engaging tooth being less than a tooth depth of the second engaging tooth, the second tooth-shaped structure having a plurality of third engaging teeth; an operating member pivotally connected to the first wheel base, the operating member abutting against the ratchet; and a first engaging member pivotally connected to the first wheel base and capable of simultaneously engaging with one of the second engaging teeth of the ratchet and the first hub; wherein when the operating member is pressed to drive the ratchet to rotate, the ratchet drives the first engaging member to move, so that the first engaging member is capable of engaging with one of the first or second engaging teeth.