Patent ID: 6874587

Claim:
An electric vehicle, comprising: a vehicle frame; a driven wheel assembly comprising two driven wheels spacedly and rotatably mounted on a rear portion of said vehicle frame; and a power generator device comprising an electric motor supported by said vehicle frame and a clutch means for selectively engaging with said driven wheel assembly to drive said driven wheel rotate and disengaging with said driven wheel assembly, wherein said clutch means comprises a first gear member driven to be rotated by said electric motor and a second gear member coaxially coupled between said two driven wheels to selectively engage with said first gear member; and an electric-free driving system, comprising: a transmission unit having an upper control portion positioned above said vehicle frame and a lower connecting portion extended underneath said vehicle frame; a steering means affixed to said control portion of said transmission unit for driving said connecting portion thereof to rotate in clockwise and anti-clockwise directions; a twister member having a driven portion connected to said connecting portion of said transmission unit; and two driving wheels spacedly and rotatably mounted to said twister member wherein said two driving wheels are spaced apart from said driven portion of said twister member, wherein when said first gear member is engaged with said second gear member, said driven wheels are driven to rotate by said electric motor to propel said electric vehicle, and when said first gear member is disengaged by said second gear member, said driven wheels are in free rotating manner such that said electric vehicle is propelled by said electric-free driving system.