Patent ID: 7661686
Filing Date: 2010-02-16
Classification: B62K

Abstract:
1. An improvement on a steering structure of a walk-substituting cart, comprising a transverse rod secured to a chassis of a walk-substituting cart; a first fixed sleeve secured to the transverse rod in such a position as to be apart from a middle of the transverse rod; a second fixed sleeve secured to a middle of the transverse rod; a first rotating shaft passed through the first fixed sleeve; a second rotating shaft passed through the second fixed sleeve; a connecting rod, the connecting rod being pivoted to the first rotating shaft and the second rotating shaft at two ends for passing on turning motion from one of the first and the second rotating shafts to other one; a front wheel on each of two lateral sides of the chassis, each of the front wheels having a direction changing plate part joined thereto; and a transmission rod pivoted to each of the direction changing plate parts of the front wheels at one end; the transmission rods being pivoted to the second rotating shaft at other end.