US Patent 7437865 Mower with baffle

A mower comprising: a cutting blade housing; rotating cutting blades; and a front baffle plate disposed forwardly of a rotation zone of each of the rotating cutting blades; wherein the front baffle plate comprises: an upstream-side cutting blade plate portion and a downstream-side cutting blade plate portion having a concave curved guide surface wherein the front baffle plate is configured such that the distance between a rotation zone of the upstream-side cutting blade and a boundary between the upstream-side cutting blade plate portion and the downstream-side cutting blade plate portion in the baffle plates is greater than the distance between the boundary and a rotation zone of the downstream-side cutting blade.