Mulching mower unit

Harvesters – Motorized harvester – Having motor on ground-supported carrier


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56 175, 563201, 563202, 56DIG17, 56DIG20, A01D 5518




A mower unit includes a housing having a skirt portion extending toward the ground, and a covering wall surrounding a plurality of grass cutting blades to define spaces for mulching treatment. The covering wall includes peripheral wall members each curved along a locus of revolution of the blade and spaced from the skirt portion. The peripheral wall member includes a vertical portion descending toward the ground. The vertical portion and the skirt portion have lower ends thereof substantially at the same height over the ground. The blades are arranged transversely of the mower unit. The peripheral wall members are in the form of independent annular wall members provided for the blades, respectively. The annular wall members define spaces for mulching treatment substantially independent of one another. Alternatively, the peripheral wall members may be in the form of annular wall members corresponding to loci of revolution of the blades, respectively, and an adjacent pair of the annular wall members may have at least parts of peripheries overlapping each other. The parts of peripheries are cut so that the spaces of mulching treatment defined by the pair of annual wall members communicate with each other.

patent: 2992524 (1961-07-01), Stabnau
patent: 4577455 (1986-03-01), Amano et al.
patent: 5133176 (1992-07-01), Baumann et al.
patent: 5191756 (1993-03-01), Kuhn
patent: 5205112 (1993-04-01), Tillotson et al.
patent: 5212938 (1993-05-01), Zenner et al.
patent: 5251430 (1993-10-01), Matsumoto et al.
Advertising brochure entitled "Versadeck Convertible Mulching Mower" Ransomes Inc., 1991.


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