Pneumatic snow tire

Details Pneumatic snow tire Pneumatic snow tire

1982-06-18

1983-11-01

Powell, William A.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209D, 152354R, 152361R, D12147, B60C 1100

Patent

active

044125763

ABSTRACT:
A pneumatic snow tire for use in vehicles traveling on snow roads includes main circumferential grooves each consisting of circumferential groove components and bias groove components to form zigzag grooves whose zigzag amplitude in width directions of the tread is more than a width of the main circumferential grooves and bias grooves oblique to circumferential directions of the tire extending from connections of the circumferential and bias grooves components of the main circumferential grooves for connecting between the main circumferential grooves and between them and tread edges. With the tread pattern according to the invention, the tire scarcely clogs the grooves in the tread with snow and fully utilizes forces of snow columns at the tread surface without collapsing the snow caught in the grooves, thereby improving its driving and braking performances and achieving the prevention of noise in traveling.

REFERENCES:
patent: 3512567 (1970-05-01), Verdier
patent: 3875986 (1975-04-01), Boileau

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