Endless track with various hardnesses for a recreational...

Wheel substitutes for land vehicles – Endless belt having nonmetallic track or tread – Track formed of endless flexible belt

Reexamination Certificate

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C305S165000

Reexamination Certificate

active

07063396

ABSTRACT:
An endless track for a recreational vehicle, such as a snowmobile on all-terrain vehicle, is formed of an endless body made of rubber material having a ground engaging side and an inner side, the outer side displaying a series of longitudinally spaced profiles extending along the track; the track is characterized in that the rubber material of one profile has a hardness which is greater than the hardness of the rubber material of one or more of the succeeding profiles.

REFERENCES:
patent: 4938546 (1990-07-01), Simmons
patent: 5713645 (1998-02-01), Thompson et al.
patent: 6568769 (2003-05-01), Watanabe et al.
patent: 2002/0145335 (2002-10-01), Soucy et al.
patent: 2004/0026995 (2004-02-01), Lemieux
patent: 2 319 934 (2004-11-01), None

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