Patent ID: 7568721

Claim:
A three-wheel foldable stroller comprising: two handles each including an upper end and a lower end, with a locking member being mounted on the lower end of each said handle, with each said locking member including a first end slideably mounted on the lower end of one of the two handles and a second end; two rear legs each including an upper end pivotably connected to the lower end of one of the two handles and a lower end, with a rear wheel being attached to the lower end of each said rear leg; two front legs each including an upper end pivotably connected to the lower end of one of the two handles and a lower end; and a front linking device including a front-wheel base and two tubes respectively on two sides of the front-wheel base, with the front-wheel base including an upper portion and a lower portion, with a front wheel being attached to the lower portion of the front-wheel base, with each said tube including an upper end connected to the lower end of one of the two front legs and a lower end pivotably connected to the upper portion of the front-wheel base, with the second ends of the locking members being respectively engaged with the upper ends of the two front legs when the upper ends of the two front legs are parallel to the lower ends of the two handles thereby locking the two front legs and the two handles, and with the two front legs and the two tubes being pivotable inward or outward relative to the front-wheel base when the locking members are moved upward and disengaged from the upper ends of the two front legs.