(under subclass 525.1) Vehicle including a first material engaging member that is elongated to bodily support and advance a portion of conveyed material and including a second material that also is elongated to bodily support and advance a portion of conveyed material, wherein the two members are generally parallel and coextensive and function such that one moves to engage and advance the material, then as it pulls away from the material, the other elongated member moves to engage and advance the material wherein the elongated members remain oriented parallel with each other and with the direction of material advance.
(1) Note. The elongated members of this subclass may orbit while facing in a single direction, rather than move to-and-fro along a fixed path.
