Pneumatic tire

Details Pneumatic tire Pneumatic tire

1983-03-09

1984-03-06

Powell, William A.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152330D, 152353C, 152356R, 152361R, 152378R, 301 37TC, B60C 1100, B60C 1300, B60C 1500

Patent

active

044348304

ABSTRACT:
A pneumatic tire having better aerodynamic characteristics than conventionally shaped tires is disclosed. A radial cross-section of the tire has an external contour on each side of its mid-circumferential plane, exclusive of indicia on the sidewalls or traction elements of the tread portion, that extends continuously axially outwardly and radially inwardly to the point where the external surface of each sidewall intersects a radially extending line, that is tangent to the axially outer edge of a retaining flange of a rim that the tire is mountable upon, with a portion of the external contour on each side of the mid-circumferential plane at least approximating an ellipse. The external surfaces of the sidewalls do not extend more than 2.54 millimeters (0.1 inch) axially outwardly of the axially outer edge of the retaining flange of the rim at any location.

REFERENCES:
patent: 1903574 (1933-04-01), Shoemaker
patent: 2005626 (1935-06-01), Maranville
patent: 2052130 (1936-08-01), Cassady
patent: 2822016 (1958-02-01), Billingsley
patent: 3515196 (1970-06-01), Floria
patent: 4088168 (1978-05-01), Boileau et al.
patent: 4203480 (1980-05-01), Peter et al.
patent: 4282918 (1981-08-01), Tomoda et al.
patent: 4349061 (1982-09-01), Hirakawa et al.

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