Patent ID: 7510511

Claim:
An endless running surface tread for use with a treadmill including a frame with a pair of substantially parallel pulleys at each end of said frame with said endless running surface thread extending between and partially encircling said pair of pulleys, and a support panel situated below the upper portion of said endless running surface thread, comprising: An endless belt having a sufficient thickness and provided with a plurality of mounting holes there through; A plurality of eyelets affixed within said mounting holes and each said eyelet configured in dimension not to protrude lower extremity of said endless belt; A plurality of simulated cobble stones, each said cobble stones having a blind hole centered at the lower extremity thereof and said blind hole having a thread; A counter bore in coaxial alignment to said blind hole with said counter bore situated at the lower extremity of said simulated cobble stone; A plurality of fastening elements, each said fastening element including a circular and threaded column ending upwardly from a bottom portion, wherein said bottom portion and circular column is dimensioned for insertion through and mating to a respective said eyelet, and whereby said plurality of simulated cobble stones are being disposed over the said plurality of mounting holes at the upper extremity of said endless belt and secured thereto by a plurality of lock washers in combination with inserting said circular column of said fastening element from said lower extremity of said endless belt through said eyelet and through said lock washer and threading said circular column into said blind hole of said simulated cobble stone; whereby said plurality of cobble stones are arranged on a majority of the endless belt surface.