Mulching mower with obround cutting chamber

Details Mulching mower with obround cutting chamber Mulching mower with obround cutting chamber

1991-11-27

1993-05-25

Bagnell, David J.

Harvesters

Cutting

Housing or guard

56 175, 56255, A01D 3472, A01D 3473

Patent

active

052129381

ABSTRACT:
A mulching mower has at least one generally enclosed cutting chamber in which a rotatable cutting blade is carried for rotation in a generally horizontal cutting plane. The side wall which defines the circumferential boundary of the cutting chamber is not perfectly circular with respect to the axis of blade rotation. Instead, the chamber is stretched or elongated with respect to the blade tips over the rear half of the chamber to be obround to the rear of the chamber. This enhances use of the mower as a mulcher. In addition, grass deflecting members are desirably used in the rear half of the chamber to further enhance the mulching action provided by the chamber.

REFERENCES:
patent: 3085386 (1963-04-01), Slemmons
patent: 4189903 (1980-02-01), Jackson et al.
patent: 4205512 (1980-06-01), Thorud
patent: 4226074 (1980-10-01), Mullet
patent: 4951449 (1990-08-01), Thorud
patent: 5133176 (1992-07-01), Baumann et al.
Drawing illustrating Toro 21" Grassmaster Deck.
Drawing illustrating Toro 21" VDM Recycler Deck.
Drawing illustrating Toro 18" VDM Recycler Deck.

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