Patent ID: 8226112

Claim:
A golf bag cart foldable device, comprising: a.) an upper cart stand, having an adapter at its bottom, where the adapter is provided with a slider on its top, which is available to slide along said upper cart stand, said upper cart stand being provided with a slider mount at each of its two distant ends above and below the slider, and the slider being correspondingly set up with a lock mechanism, by means of the mutual locking between the lock mechanism and the slider mount, the slider being consequently able to attach on said upper cart stand and being in pinned connection with a rear wheel frame at each side, where the rear wheel frame is joined to a rear wheel at its distant end; b.) a bottom cart stand, in pinned connection with the adapter at its top and connected to a bag base at its bottom; and c.) a linkage set, made up of a plurality of linkages, which are joined to said upper cart stand, said bottom cart stand, a front wheel frame and the rear wheel frames respectively, where the distant end of the front wheel frame is joined to a front wheel, to form links between the slider and said bottom cart stand, between the adapter and the rear wheel frame and between said bottom cart stand and the front wheel frame; by means of the setup of said links, once the lock mechanism is released and said upper cart stand is pulled, the simultaneous unfolding or folding of said upper cart stand, said bottom cart stand, the front wheel and the rear wheels being thus accomplished, to facilitate the handiness in use.