Patent ID: 8413753

Claim:
A foldable seat mounting rack for mounting a seat on a foldable motorized vehicle comprising a pair of symmetric foldable seat mounting supports, wherein each of the pair of symmetric foldable seat mounting supports comprises: (a) an upper mounting base for mounting a seat; (b) a lower mounting base for mounting the foldable seat mounting support on the base of the foldable motorized vehicle; (c) a pinion; (d) a locking lever for locking the foldable seat mounting support into either folded or unfolded positions; (e) a main connecting plate having a slot; (f) a first auxiliary connecting plate; and (g) a second auxiliary connecting plate, wherein an upper end of the main connecting plate is pivoted on the upper mounting base, a lower end of the main connecting plate is pivoted on the lower mounting base, the pinion is pivoted at a middle portion on an inner side of the main connecting plate, side surfaces at one end of the first auxiliary connecting plate and the second auxiliary connecting plate are formed with racks engaging with the pinion, the first auxiliary connecting plate is pivoted on the lower mounting base and the second auxiliary connecting plate is pivoted on the upper mounting base, respectively, one end of the locking lever is pivoted on the upper end of the main connecting plate, and the other end of the locking lever presses against the pinion.