Two zone tread pattern

Details Two zone tread pattern Two zone tread pattern

1991-08-28

1993-10-05

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152185, B60C 1104

Patent

active

052496155

ABSTRACT:
The present invention provides a novel tread for a tire or anti-skid armor mounted on a tire. The tread has a central, circumferentially extending anti-skid zone, transverse tread members transverse to the anti-skid zone and driving tread members arranged in circumferentially extending driving zones on each side of the anti-skid zone. The anti-skid zone has a central circumferentially extending hollow or depression divided by transverse tread members to form a plurality of cavities each having a volume larger than one of the transverse tread members in the anti-skid zone. At least one elongated lug is associated with a transverse tread member, the lug being in close proximity to, parallel to and narrower than the associated transverse tread member. Each elongated lug protrudes radially beyond the associated transverse tread member.

REFERENCES:
patent: 1147149 (1915-07-01), Dunbar
patent: 2120063 (1938-06-01), Bourdon
patent: 2240542 (1941-05-01), Bourdon
patent: 2267406 (1941-12-01), Krusemark
patent: 3001568 (1961-09-01), Suominen
patent: 3861436 (1975-01-01), Doque
patent: 4071068 (1978-01-01), Olsen
patent: 4267872 (1981-05-01), Kamiya

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