Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Patent
1998-08-17
2000-09-19
Donnelly, Jerome W.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
482122, 482125, B63B 2102
Patent
active
061204242
ABSTRACT:
The body building apparatus of the present invention has two cylindrical bars, the bars having a gripping surface and optionally being enclosed within a cushioned tubular pad, the bars being releasably connected at opposing ends by two flexible, elastically extendible side members of equal length so that the cylindrical bars and the side members define a rectangle. In an alternative embodiment, a pair of ceiling hooks replace one of the cylindrical bars, the elastically extendible side members being suspended from the ceiling hooks at one end and supporting a cylindrical bar at the other end, the ceiling, the cylindrical bar, and the side members defining a rectangle. In both embodiments, the side members extend to a maximum length under tension between about 20% to 30% greater than their length at rest. The apparatus is used to perform isotonic exercises by anchoring one of the cylindrical bars with a body member and repetitively exerting tension against the resistance of the elastically extendible side members by pulling the other cylindrical bar.
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Donnelly Jerome W.
Litman Richard C.
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