Patent ID: 8075222

Claim:
A concrete finishing apparatus for smoothing and leveling partially set-up concrete at a support surface, said concrete finishing apparatus comprising: a frame portion; a first concrete working member disposed at said frame portion and rotatable about a first axis of rotation that is generally vertical when said first concrete working member is supported at a generally horizontal support surface, wherein said first concrete working member comprises a ring-shaped member that has a circumferential concrete engaging surface for engaging the concrete surface substantially circumferentially around said first concrete working member during normal operation of said concrete finishing apparatus; a second concrete working member disposed at said frame portion and rotatable about a second axis of rotation that is generally vertical when said second concrete working member is supported at a generally horizontal support surface, wherein said second concrete working member comprises at least one concrete engaging surface for engaging the concrete surface during normal operation of said concrete finishing apparatus; and wherein said circumferential concrete engaging surface of said first concrete working member and said at least one concrete engaging surface of said second concrete working member engage the partially set-up concrete surface at the support surface and rotate about said first and second axes of rotation to process the concrete surface.