Patent ID: 8282121

Claim:
A golf club cart comprising: a main frame having an upper end and a lower end; a joint unit having a first joint, a second joint, a third joint and a fourth joint, wherein the first joint, the second joint and the third joint have a first lock, a second lock and a third lock, respectively, the first joint connects to the upper end of the main frame and the second joint connects to the lower end of the main frame, and the fourth joint is movably ringed on a middle of the main frame; a handle frame, connecting to the first joint to be located on the main frame, wherein the handle frame can be swayed between a use position and a fold position by the first joint; two supporting frames, being parallel, each having an upper end and a lower end, wherein the upper ends of the supporting frames pivotally connect to the first joint to be located below the main frame; a club holder having an upper fastener, two lower fasteners and a carriage, wherein the upper fastener and the lower fasteners are mounted on the handle frame and on the lower ends of the supporting frames, respectively, and the carriage links the lower fastener to be below the lower fastener; a front wheel rotarily connected to the third joint by a front fork; two rear wheels; an auxiliary frame unit, having two auxiliary supports, a pivot, two supporting rods and a rope, wherein the pivot is pivoted between the second joint and the fourth joint, each of the auxiliary supports has an upper end connecting to the pivot and a lower end connecting to the rear wheels, the supporting rods symmetrically connect between the fourth joint and the auxiliary supports, two ends of the rope separately connect between distal ends of the supporting rods, and the two supporting rods and the rope form a triangular fulcrum to suspend the auxiliary supports; and a linking rod connecting between the third joint and the fourth joint; thereby when the first lock is released, the handle frame may be folded towards the main frame; when the third lock is released, the front wheel and the front fork may be turned over; when the second lock is released, the fourth joint may be moved upwards and pushes the linking rod and two supporting rods to make the front wheel, the front fork, the auxiliary supports and the rear wheels folded towards the main frame.