Patent ID: 8752452
Filing Date: 2014-06-17
Classification: A63B,Y10T

Abstract:
1. An inertial flywheel for an exercise apparatus, comprising: a wheel body defining an axis of rotation and including a first sidewall, a second sidewall axially spaced apart from said first sidewall, a peripheral wall surrounding said axis of rotation and interconnecting said first sidewall and said second sidewall, and a plurality of circumferentially spaced-apart mounting seats connected to said first sidewall, said first sidewall and said second sidewall, and said peripheral wall cooperatively defining a chamber, each of said mounting seats having a counterweight-receiving groove that opens through said first sidewall; a cementing material dispersed in said chamber; a counterweight unit including at least one counterweight that is inserted into at least one of said counterweight-receiving grooves; and a metal ring sleeved on an outer surface of said peripheral wall, wherein said outer surface of said peripheral wall is formed with a recess that opens toward said metal ring, said metal ring including an elongate metal plate rolled into a circular shape, and a weld joint interconnecting two opposite ends of said elongate metal plate to form said metal ring, said weld joint projecting from an inner side of said metal ring into said recess.