Patent ID: 6942235

Claim:
A foldable bicycle, comprising: a front fork including a shaft tube, and a tubular holding arm rotatably mounted on the shaft tube, the shaft tube having a mediate portion rotatably mounted in a head tube, and a bent lower end protruded outward from the head tube and formed with an insertion section rotatably mounted on an upper end of the holding arm; the head tube having a periphery provided with a connecting rod; a support tube having a first end pivotally mounted on a distal end of the connecting rod and a second end having a periphery formed with a protruding first positioning block; an adjusting member having a first end movably and rotatably mounted on the second end of the support tube and a second end provided with a seat post connected to a seat; a rear fork having a first end having a periphery formed with a protruding second positioning block; two support levers mounted between the second end of the support tube and the first end of the rear fork to connect the support tube and the rear fork, each of the two support levers having a first end pivotally mounted on a side of the first positioning block of the support tube and a second end pivotally mounted on a side of the second positioning block of the rear fork; a first locking member pivotally mounted between the two support levers and engaged with the first positioning block of the support tube; a first pressing member pivotally mounted between the two support levers and rested on the first locking member; a second locking member pivotally mounted between the two support levers and engaged with the second positioning block of the rear fork; and a second pressing member pivotally mounted between the two support levers and rested on the second locking member.