Abstract: An annular resilient band structure designed for installation on a ground hicle to provide tractive propulsion force and vehicle suspension force. Resilient suspension function is achieved by an annular resilient leaf spring core encapsulated within an elastomeric sheath. Load transfer between the ground or vehicle and the band structure is obtained by plies or cords trained along the surfaces of the core between non-extensible beads at opposite side edges of the band structure. Propulsion capability is achieved by metallic drive shoes rivetted onto edge areas of the elastomeric sheath.

Abstract: In a ground vehicle having resilient endless bands engaged with the terrain or suspension and propulsion purposes, improved novel roller arrangements for maintaining a desired band envelope under adverse operating conditions, such as large vehicle accelerations or decelerations, movement over rough bumpy terrain, or vehicle turning actions.