Rear discharge mulching apparatus

Details Rear discharge mulching apparatus Rear discharge mulching apparatus

A - Human Necessities

01

D

A01D 34/73 (2006.01) A01D 34/00 (2006.01) A01D 34/71 (2006.01) A01D 34/63 (2006.01)

Patent

CA 2087875

A mechanism including a plurality of baffles positioned within a mower housing between the mower blades and a rear discharge outlet, including a first wall adjacent the edge of a respective blade and which acts to define the chamber within which the blade rotates, a second wall extending rearwardly from the first wall and defining chutes which extend between the chambers and the rear discharge outlet, and third surfaces which act to enclose the space between the first and second walls to thereby prevent air and clippings from accumulating there. The chutes generally converge at the rear outlet. Ramps are positionable within the chutes for changing the mower to a mulching mode, and include a fourth wall or surface positioned in the entrance to the chute for partially blocking air and clippings from entering the chute. A fifth surface extends rearwardly from the edge of the fourth surface to the discharge outlet. A deflector is positionable within the housing and acts to channel clippings downwardly into the blade for re-cutting at a first portion, reduce the effective volume within the chamber at a second portion, and increase the vacuuming effect at a third portion. A first blade includes a plurality of upstanding nubs which are received in respective openings formed in the second blade, and act to couple the second blade for rotation with the first blade.

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