Non-pneumatic support structure
A wheel and tire assembly for a mobile vehicle in accordance with the present invention includes an inner central rim, a flexible ring mounted on the inner central rim, and a spoke structure extending between the inner central rim and the flexible ring. The spoke structure defines a plurality of cavities and alternating radially extending openings disposed concentrically about the inner central rim and allowing the flexible ring to deflect under load. The spoke structure further defines a plurality of triangular openings disposed at the flexible ring and between the cavities and the inlet openings.
1. A wheel for a mobile vehicle comprising:
an outer flexible ring mounted to an inner central rim; and
a spoke structure extending radially between the central rim and the flexible ring, the spoke structure defining a plurality of closed cavities and an alternating plurality of radially extending openings disposed concentrically about the inner central rim and allowing the flexible ring to deflect under load, the spoke structure further defining a plurality of triangular openings disposed at the outer flexible ring and between the cavities and the inlet openings, the spoke structure comprising a uniform rubber material.
2. The wheel as set forth in claim 1 wherein each cavity of the plurality of closed cavities has a common radial dimension.
3. The wheel as set forth in claim 1 wherein each cavity of the plurality of closed cavities has a common axial length equal to a uniform axial thickness of the spoke structure.