Pneumatic tire having tread portion including blocks

Details Pneumatic tire having tread portion including blocks Pneumatic tire having tread portion including blocks

1994-12-27

1996-07-23

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152DIG3, B60C 1111

Patent

active

055380603

ABSTRACT:
A pneumatic tire having a tread with a block design suited for off-road use. The tire has a ground contacting tread portion with circumferentially extending grooves and laterally extending grooves comprising at least a portion of an S-shape, defining circumferentially extending rows of blocks. The blocks comprise a first, second and third portion; the laterally outer, first and third portions, having a trapezoidal shape, are linked together by the second portion, having a height which is lower than the height of said first and third portions. In a preferred embodiment the tread has six rows of blocks spaced by five circumferentially extending straight grooves.

REFERENCES:
patent: D324665 (1992-03-01), Davis et al.
patent: 4437503 (1984-03-01), Seitz et al.
patent: 4481991 (1984-11-01), Pieper
patent: 4649975 (1987-03-01), Kogure et al.
patent: 4690189 (1987-09-01), Bradisse et al.
patent: 5178699 (1993-01-01), Kakumu et al.
patent: 5256221 (1993-10-01), Trabandt
patent: 5361816 (1994-11-01), Hitzky
patent: 5385189 (1995-01-01), Aoki et al.

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