Patent ID: 6544153
Filing Date: 2003-04-08
Classification: A63B,Y10S

Abstract:
An exercise wheel comprising:a housing having two sides; two grip rods secured to the two sides of the housing, respectively; a chassis housed by the housing; a main shaft supported by the chassis; a main gear mounted around the main shaft; two wheel assemblies rotatably mounted to the chassis and each including a shaft with a toothed portion for meshing with the main gear; and two torsion springs mounted around the main shaft and respectively located on both sides of the main gear, each said torsion spring including a first end securely attached to the housing and a second end securely attached to the main gear; the main gear comprising a peripheral stop surrounding at least one of the torsion springs to thereby avoid radial outward expansion of the torsion springs resulting from movements of the wheel assemblies in a rearward direction.