Patent ID: 7213818

Claim:
A stroller, comprising: a wheel; a rotation control device mounted above the wheel; and a wire control device mounted on a position that facilitates operation of a user and connected to the rotation control device to drive the rotation control device between a first position where the rotation control device is locked so that the wheel is fixed and a second position where the rotation control device is unlocked so that the wheel is rotatable; wherein the rotation control device includes a fixing seat, a cover, a rotation disk, and a locking plate, wherein: the fixing seat of the rotation control device is secured on a bottom frame and has a side formed with a protruding connecting plate formed with a passage; the cover of the rotation control device is secured on the connecting plate of the fixing seat; the rotation disk of the rotation control device is rotatably mounted on a bottom of the fixing seat and has a peripheral wall formed with a locking recess aligning with the passage of the connecting plate of the fixing seat; and the locking plate of the rotation control device is slidably mounted on the connecting plate of the fixing seat and has a first section having a locking end extended through the passage of the connecting plate of the fixing seat and detachably locked in the locking recess of the rotation disk.