Patent ID: 9090121
Filing Date: 2015-07-28
Classification: A01G,B60B,B60C

Abstract:
1. A wheel assembly comprising: a rigid wheel including a plurality of circumferentially spaced mounting elements extending radially outwardly from the wheel; and an airless flexible tire mounted on the wheel and engaging the mounting elements such that portions of the tire not engaging the mounting elements are separated radially from the wheel by a space, the portions of the tire not engaging the mounting elements being configured to flex inwardly toward the wheel when subject to ground engaging pressure, the tire including a plurality of traction lugs extending radially outwardly from an outer side of the tire, the traction lugs being spaced circumferentially around the tire between the mounting elements such that the traction lugs move inwardly with the portions of the tire configured to flex inwardly when subject to ground engaging pressure.