Patent ID: 8099938

Claim:
A rear discharge type mower apparatus comprising: a blade housing having a top plate, a front wall and at least one side wall; at least two support shafts supported by the blade housing and extending vertically; a rotatable blade supported by each of the at least two support shafts, a tip end of each blade forming a rotation path; a first front guide plate and a second front guide plate, each of the first and second front guide plates being located rearwardly of the front wall and having a shape extending substantially along the rotation path of a corresponding blade; a first auxiliary plate extending straight from a rear end of a portion connecting the first front guide plate to the second front guide plate through a region radially inside the rotation path of the corresponding blade to a rear region of the blade housing, and a second auxiliary plate comprising a curved portion and a linear portion extending rearwardly of the curved portion, the curved portion and the linear portion extending from a forward region of the second front guide plate through a region radially inside the rotation path of the corresponding blade to a rear region of the blade housing, wherein the linear portion and the first auxiliary plate extending parallel to each other such that an opening that is opposed to a mowed grass discharge opening is formed by rearward ends of the linear portion and the first auxiliary plate, and wherein lower edges of the first and second auxiliary plates are closer to the top plate than the corresponding blade.