Shock absorbing endless belt for a treadmill
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United States of America Patent
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Issued Date -
Dec 21, 2006
app pub date -
Jan 3, 2006
filing date -
Jan 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is an energy absorbing endless belt comprises a polymeric gel and a substrate enveloped by a top and bottom layer. The top layer may serve as the running surface for the treadmill and may be made of a different material than the bottom layer. The substrate has a density less than that of the polymeric gel. The substrate may be formed from a foamed plastic and may be a continuous sheet or have perforations placed throughout. The energy absorbing endless belt can be formed from an epoxidized vegetable oil, a thermoplastic polymer and a prepolymer.
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