Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1978-06-05
1980-05-27
Bertsch, Richard A.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
D12142, B60C 1104
Patent
active
042045673
ABSTRACT:
A tread structure for pneumatic vehicle tires, according to which the tread is provided with a centrally arranged zigzag groove extending in the circumferential direction of the tire. The tread also has elevations or raised sections on both sides of the circumferential groove. The elevations follow one another in the circumferential direction of the tire, and are separated from one another by other grooves, including grooves which start from the zigzag central circumferential groove and extend straight towards both tire shoulders. Of these straight grooves, those which follow one another in the circumferential direction of the tire are slanted in opposite directions with regard to the circumferential or transverse direction of the tire.
REFERENCES:
patent: D82867 (1900-12-01), Young
patent: D190218 (1961-04-01), Mattingly
Johannes Gunter
Pfeiffer Hans-Dieter
Bertsch Richard A.
Continental Gummi-Werke Aktiengesellschaft
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