Invention Grant
US09320937B2 Fitness equipment unit 有权
健身器材单位

Fitness equipment unit
Abstract:
A fitness equipment unit includes a member rotatable about an axis and a source of resistance against rotation of the member. Rotation of the member is facilitated by pulling on a first end of the line while the other end of the line is stationary, pulling on a second end of the line while the first end is stationary or concurrently pulling on both the first end and the second end of the line.
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