| 摘要 |
A stroller includes two rear legs 11, two support bases 12 secured to the ends thereof, and two pairs of wheels 16 rotatably mounted on a shafts 13. Each of the wheels includes a hub 14 secured thereon comprising a plurality of radially arranged ribs 140 and locking recesses 142. A brake device comprises two cranks 22 each having a first end pivotally mounted on one of the support bases 12 and having two opposite brake levers 24 each receivable in one of the locking recesses. A linking bar (20, Fig.3) extends between the cranks 22 comprising two sleeves 21 each slidably mounted on opposite ends (210, Fig.3) of the linking bar 212 to facilitate axial collapse thereof during folding of the stroller (Fig.5).
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