Patent ID: 9505461
Filing Date: 2016-11-29
CPC Classification: B62K,B62M,F16D,F16F

Claim Text:
1. A bicycle comprising: a crankshaft that is rotated via bicycle pedals in order to rotate a drive chain that in turn rotates a rear wheel of said bicycle; wherein a pedaling-resistance member is added to increase the resistance of rotation of the bicycle pedals at the adaptive discretion of an end user; wherein the crankshaft is affixed to a drive sprocket; wherein the drive sprocket is in mechanical connection with the drive chain that extends around a rear sprocket; wherein the rear sprocket is affixed to the rear wheel; wherein the bicycle has a front wheel, as well as a bicycle frame, seat, and handlebar; wherein the crankshaft is attached to bicycle pedals that rotate in order to drive the drive chain; wherein the bicycle pedals are each attached to a crank arm that in turn is connected to the crankshaft; wherein the pedaling-resistance member is integrated into the construction of the bicycle frame, and affords the ability to increase a pedaling resistance of the bicycle pedals; wherein the pedaling-resistance member is constructed of a cylinder that is affixed to the bicycle frame; wherein the cylinder is of hollowed construction, and is concentrically aligned with respect to the crankshaft; wherein the cylinder includes end caps that seal off opposing ends of the cylinder; wherein bushings are provided to form a watertight seal between the end caps and the crankshaft; wherein the crankshaft exits the end caps at crankshaft holes; wherein the bushings seal off the crankshaft holes; wherein the cylinder is partially filled with a magnetorheological fluid.