Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1987-08-05
1989-03-28
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209D, B60C 1106, B60C 1111
Patent
active
048155128
ABSTRACT:
A tread surface profile including a three-part configuration. A circumferentially extending, centrally disposed, linear or zigzagged rib has connected on both sides thereof a plurality of central blocks that are separated from the rib by shallow and narrow venting grooves. On both sides of the rib, pluralities of profiled blocks that extend from a tire shoulder toward the rib, with the profiled blocks being separated from the central blocks of the latter by longitudinal, circumferentially extending channels, and being separated from one another by lateral channels. The profiled blocks and the central blocks are arranged in S-shaped configurations that extend over the width of the tread surface in a diagonal fashion. The shoulder end of each profiled block is oriented axially at an angle of from 90.degree. to 80.degree. relative to the central tire plane, and each rib end of the central blocks is oriented circumferentially at an angle of from 35.degree. to 55.degree. relative to the central tire plane. The lateral channels are connected to one of the longitudinal channels, with at least a portion of the latter being circumferentially oriented at an angle of from 0.degree. to 65.degree.. The profile portion formed by the rib and central blocks extends over 25 to 40% of the of tread surface width. The profiled and central blocks are provided with sipes that extend parallel to the lateral channels and are connected to at least one of the longitudinal channels and venting grooves.
REFERENCES:
patent: 4278121 (1981-07-01), McDonald
patent: 4289182 (1981-09-01), Sato et al.
patent: 4424845 (1984-01-01), Baus et al.
patent: 4462445 (1984-07-01), Goergen
patent: 4690189 (1987-09-01), Bradisse et al.
Gerresheim Manfred
Poque Dionysius J.
Sommer Jurgen
Vogler Hans-Jugen
Ball Michael W.
Hoch Ramon R.
Uniroyal Englebert Reifen GmbH
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