Patent ID: 7070191
Filing Date: 2006-07-04
Classification: B62K,B62M

Abstract:
1. A twist vehicle, comprising: a vehicle frame; a rear wheel assembly rotatably mounted on a rear portion of said vehicle frame; a driving system, which comprises: a transmission member rotatably supported by said vehicle frame wherein said transmission member has an upper control portion positioned above said vehicle frame and a lower driving portion extended underneath said vehicle frame; and a steering member which is connected to said control portion of said transmission member and arranged to drive said driving portion of said transmission member to rotate; and a safety driving arrangement, which comprises: a twisting member, having a predetermined shape, mounted on said driving portion of said transmission member; two spaced apart driving wheels rotatably mounted to said twisting member and defining a driving distance between each said driving wheel and said driving portion of said transmission member; in such a manner that when subseguent clockwise and anti-clockwise movements are imparted to said steering member, said two driving wheels are substantially moving forward, so as to drive said vehicle frame to move; and a safety wheel assembly rotatably supported at a front portion of said vehicle frame, wherein said safety wheel assembly is suspendedly supported underneath said vehicle frame with respect to the ground for minimizing a friction of said safety wheel assembly with respect to the ground while said twisting vehicle is moving, wherein said safety wheel assembly is positioned apart from said driving portion of said transmission member with a safety distance, so as to prevent said twist vehicle from flipping over when said twist vehicle is moving, wherein said safety wheei assembly comprises two front stabilizing wheels spacedly mounted at said twisting member, wherein each of said front stabilizing wheels is mounted underneath said vehicle frame in a free self-rotating manner.