Patent ID: 9650106
Date: 2017-05-16
CPC Classifications: B60K,B60Y,B62K,B62M

Claim:
1. A two-wheel-drive bicycle, comprising: a frame having front and rear portions and a center portion with upper and lower ends, wherein the frame having first and second opposing sides and the frame including a head tube having a first front sprocket mounted thereon; a fork assembly attached to the front portion of the frame and pivotable about a steering axis, the fork assembly having a lower end and an upper end; a front wheel rotatably mounted on the fork assembly, wherein the fork assembly straddling and rotatably supporting the front wheel at the lower end, wherein the fork assembly having a stem at the upper end for pivotally mounting the fork assembly in the head tube of the frame to enable steering of the front wheel about the stem; a rear wheel rotatably mounted on the rear portion of the frame and having a rear sprocket; a paddle assembly having first and second foot paddles, the paddle assembly mounted at the lower end of the center portion in a shared driving relationship with the front wheel and the rear wheel; a chain-driven rear-drive mechanism configured for transmitting rotational power to the rear wheel, wherein the chain-driven rear-drive mechanism including a rear main-drive sprocket at the lower end of the center portion and disposed on the first side of the frame, wherein the chain-driven rear-drive mechanism coupled to the paddle assembly; and a chain-driven front-drive mechanism configured for transmitting rotational power to the front wheel, wherein the chain-driven front-drive mechanism including a front main-drive sprocket at the lower end of the center portion and disposed on the second side of the frame being opposite of the first side of the frame, wherein the chain-driven front-drive mechanism coupled to the paddle assembly.