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US 2011/0237407 A1Published application
Variable-resistance exercise device
OwnerRobert L. Kaleal, Dominic G. Carboneinventors
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Abstract
A portable, variable-resistance exercise device comprised of a retractable cable connected to a spring assembly, the spring having a plurality of springs that are selectively connectable to each other to vary the resistance exerted on the cable.
Claims15
A portable, variable-resistance exercise device comprised of:
- a retractable cable connected to a spring assembly, the spring assembly having a plurality of springs that are selectively connectable to each other to vary the resistance exerted on the cable.
A portable, variable-resistance exercise device as defined in claim 8, further comprising sensors associated with said spool and said cable for monitoring movement of said spool and said cable.
Dependencies are inferred from the claim text.