Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1998-11-13
2000-12-26
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
15220928, B29C 1103, B29C11500
Patent
active
061643548
ABSTRACT:
A pneumatic tire comprises a circumferential groove disposed in the axial center of the tread potion, circumferentially spaced main grooves disposed on both sides of the tire equator, the main grooves extending axially outwardly beyond the tread edges, while inclining to one circumferential direction and increasing the inclination angle of the groove center line with respect to the circumferential direction, auxiliary grooves each disposed between the circumferentially adjacent main grooves and extending from a middle portion of one of the main grooves towards the above-mentioned circumferential direction beyond the tread edge, each of the auxiliary groove having a part being equidistant from the adjacent main grooves and having a length more than 30% of the length of the auxiliary groove. The intersecting angle .beta. of the auxiliary grooves with the main grooves is in the range of from 20 to 60 degrees.
REFERENCES:
patent: 4057089 (1977-11-01), Johannsen
patent: 4726407 (1988-02-01), Hayakawa et al.
patent: 5154783 (1992-10-01), Kuhr et al.
patent: 5423364 (1995-06-01), Himuro
patent: 5609699 (1997-03-01), Himuro
patent: 5759313 (1998-06-01), Shirai et al.
patent: 5885384 (1999-03-01), Himuro
patent: 5954107 (1999-09-01), Kuze et al.
patent: 5964266 (1999-10-01), Boiocchi et al.
Patent Abstracts of Japan, 04050006, Feb. 19, 1992, Kuramochi Izumi.
Patent Abstracts of Japan, 04043105, Feb. 13, 1992, Himuro Yasuo.
Patent Anstract of Japan, 04193608, Jul. 13, 1992, Himuro Yasuo.
Maki Steven D.
Sumitomo Rubber Industries Ltd.
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