Invention Grant
US09227686B2 Free-wheeling, free-steering, foldable multi-stage tricycle with a single-motion release mechanism 有权
具有单运动释放机构的独轮,自由转向,可折叠多级三轮车

Free-wheeling, free-steering, foldable multi-stage tricycle with a single-motion release mechanism
Abstract:
A foldable tricycle, including a front wheel assembly; a mainframe, latched to the front wheel assembly via a front mount; a pair of rear-wheel assemblies; a pair of folding ring assemblies coupling the rear-wheel assemblies to the mainframe; and a mechanism for simultaneously unlocking the pair of ring assemblies and unlatching the mainframe from the front wheel assembly so that a single pulling motion on the mechanism unlocks and unlatches the foldable tricycle from an assembled state thereof so as to be converted to a folded state thereof.
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