Patent ID: 7731204
Filing Date: 2010-06-08
Classification: A45C,A45F,B62K

Abstract:
1. A wheeled vehicle, comprising: a rigid frame configured to support a handle assembly; a supporting unit including a first wheel, the supporting unit pivotable between a first position and a second position, wherein in the first position the supporting unit is arranged close to the frame, and in the second position, the supporting unit is extending away from the frame; said handle assembly including a first column member, the first column member slidably attached to the frame and configured to be moved upwards and downwards away and towards the frame; a mechanism attached to the frame, the supporting unit and the first column member, the mechanism configured to rotate the supporting unit about a pivot axis from the second position to the first position, when the first column member is moved downwards in a direction towards the frame; a second column member, the first column member arranged in a longitudinal slidable relationship with the second column member, and a second wheel arranged at a bottom end of the second column member, wherein the first column member is configured to turn the second column member and the second wheel about the longitudinal axis.