Non-pneumatic tire with vibration reducing features

Details Non-pneumatic tire with vibration reducing features Non-pneumatic tire with vibration reducing features

B - Operations, Transporting

60

B

152/40

B60B 5/02 (2006.01)

Patent

CA 1306410

Abstract A non-pneumatlc tire with an annular body of resilient elastomeric material and an outer cylindrical member supported by circumferentially spaced-apart ribs, is provided with four vibration-reducing features. First, the tire has an outer tread surface with a crown radius. Secondly, the tread has a pattern with a plurality of circumferential grooves and lateral grooves arranged to reduce uneven contact pressures caused by radial forces carried by the tire's ribs. Thirdly, the spacing of the ribs is randomly varied around the circumference of the tire to broaden a vibration spectrum caused by the ribs and reduce peak vibrations. Fourthly, a wheel rim that supports the annular body is provided with a structurally incorporated hoop to reduce deflection of the wheel rim during tire operation. DWW/68

537178

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