Wheel substitutes for land vehicles – Endless belt having nonmetallic track or tread – Track formed of endless flexible belt
Reexamination Certificate
2004-12-01
2009-06-16
Stormer, Russell D (Department: 3617)
Wheel substitutes for land vehicles
Endless belt having nonmetallic track or tread
Track formed of endless flexible belt
C305S178000
Reexamination Certificate
active
07547079
ABSTRACT:
Disclosed is an elastic crawler formed with an elastic material in the shape of an endless track, and used as the wheel for the work vehicle with enhanced reliability and durability. The elastic crawler includes a crawler body2A formed with an elastic material and having lugs4L,4R,5L and5R protruded at the ground contact side thereof, and cores3having wings3L and3R extended left and right to the center of the crawler body in the width direction thereof, and arranged parallel to each other in the longitudinal track direction of the crawler body such that the wings face the lugs formed at the crawler body. The crawler body has first and second lug units alternately arranged parallel to each other in the longitudinal tract direction thereof (in the direction of Y1and Y2). The first lug unit has left lugs4L facing each other over two wings, and rights lugs4R arranged right to the center of the crawler body while proceeding symmetrical to the left lugs around the center. The second lug unit has left lugs5L facing each other over one wing, and right tugs5R arranged right to the center of the crawler body while proceeding symmetrical to the left lugs around the center.
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Stormer Russell D
Xenith Track Co., Ltd.
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