초록 ▼

A treadmill device includes two treadmills disposed above a base and each having a tread supported around a platform and each has one end rotatably supported on the base with a shaft which may be driven by a motor. An arm has a middle portion pivotally supported on the base and has two ends located

A treadmill device includes two treadmills disposed above a base and each having a tread supported around a platform and each has one end rotatably supported on the base with a shaft which may be driven by a motor. An arm has a middle portion pivotally supported on the base and has two ends located below and coupled to the treadmills, for elevating one of the treadmills when the other treadmill is lowered, such that the two treadmills may be operated as a stepping exerciser. A latch may be used to lock the treadmills together.

대표청구항 ▼

1. A treadmill apparatus comprising:a base including a first end, and including a second end having a shaft provided thereon, a pair of treadmills disposed above said base, and each including a platform having a roller provided on a first end thereof and attached to said shaft, and each including a

1. A treadmill apparatus comprising:a base including a first end, and including a second end having a shaft provided thereon, a pair of treadmills disposed above said base, and each including a platform having a roller provided on a first end thereof and attached to said shaft, and each including a tread supported around said platform, means for driving said shaft to actuate said treads, an arm including a middle portion pivotally supported on said base with a pivot axle, and including two ends located below said treadmills respectively, and means for coupling said ends of said arm to said treadmills to elevate a first of said treadmills when a second of said treadmills is lowered, and to elevate said second treadmill when said first treadmill is lowered.