Patent ID: 8834323
Filing Date: 2014-09-16
Classification: A63B,Y10T

Abstract:
1. A flywheel device for an exercise bike comprising: a frame body, a pedal unit and a reinforced glass flywheel; the pedal unit and the reinforced glass flywheel assembled to the frame body; the frame body having a driving member connected with the pedal unit and the reinforced glass flywheel, the pedal unit and the reinforced glass flywheel rotated simultaneously via the driving member; and a driven device rotatably mounted on a center portion of the reinforced glass flywheel, two ends of the driven device positioned on the frame body, one end of the driven device assembled with the driving member; wherein the driven device has a driven disc and a shaft rod; the driven disc has a first disc portion, a second disc portion and a neck portion; the neck portion connects with the first disc portion and the second disc portion; the reinforced glass flywheel has a through hole defined at the center portion therethrough; the driven disc is inserted into the through hole, and then the reinforced glass flywheel is positioned on the neck portion; a through opening opened through the first disc portion, the second disc portion and the neck portion; the shaft rod passes through the through opening and two ends of the shaft rod are exposed out of two sides of the driven disc respectively.