Patent ID: 6499749
Filing Date: 2002-12-31
Classification: B60B

Abstract:
A stroller, comprising:a supporting frame having a pair of first leg frames and a pair of second leg frames; a seat frame, having a seat fabric being supported by said first and second leg frames; and an inflatable stroller wheel arrangement comprising: a pair of driving wheel assemblies rotatably attached to two bottom portions of said first leg frames respectively for driving the stroller in a frontward direction and a backward direction; and a pair of steering wheel assemblies rotatably and coaxially attached to two bottom ends of said second leg frames respectively for steering a direction of said stroller, wherein each of said steering wheel assemblies comprises a wheel axle, a coupling hub for rotatably coupling one of said second leg frames with said wheel axle, wherein each of said steering wheels comprises a rim frame which has a stem hole and is coaxially mounted on one of said ends of said wheel axle, a wheel tire encirclingly mounted on said rim frame, and an inflatable bladder received in said wheel tire comprising a valve stem extended to an exterior of said rim frame through said stem hole, wherein said coupling hub of each of said bottom end of one of said second leg frames rotatably and detachably inserting thereinto and a second hub body, which is extended from said first hub body, having a transverse axle hole for one of said wheel axles rotatably passing therethrough, wherein said first hub body is pivotally connected to said second hub body wherein a resilient element is provided between said first hub body and said second hub body for applying an urging pressure against said first hub body, so as to urge said first hub body pivotally moved away from said second hub body.