Magnetic adjusting device of a ski simulator

Claim 1

A load adjusting device for the ski stimulator, ski stimulator basically comprises a front housing, a rear housing and two guiding tracks disposed parallel between the front housing and rear housing, said guiding track being provided with a sliding pedal respectively, said sliding pedals are interconnected with a front moving strap and a rear moving strap, a pair of handbar members being pivoted on the front housing providing a support of the user, a magnetic load adjusting device being mounted in said front housing, said magnetic load adjusting device comprising: two guiding rollers installed on the front housing in front of said guiding tracks respectively, three timing wheels mounted in the same plane interconnected with a timing belt, a magnetic braking mechanism, a spindle, a hub member, a bearing and a one-way bearing, wherein two of the timing wheels being mounted above the guiding roller using the same hub member, said magnetic braking mechanism being connected to the third timing wheel, those three timinq wheels being interconnected by the timing belt to rotate concurrently in one direction, said hub member being fixed on said spindle through upper and lower bearings, making the hub member rotate freely centered on spindle, the middle portion of the outer surface of said hub member being provided with a rim portion providing a seat for the timing wheel, said hub member and timing wheels being provided with key slots and key members being inserted into said key slots to fix said timing wheels thereof, said hub member further including a annular slot and one-way bearing being received and fixed thereof by a clip member; said straps being wound up on said guiding rollers having at least one winding, the outlet of said winding of said guiding rollers and connected said pedal blocks respectively.