1997-03-24
1998-06-16
Shackelford, Heather
Harvesters
Convertible
563201, 56 174, 56DIG9, 56DIG20, A01D 6700
Patent
active
057653461
ABSTRACT:
A composite insert is provided for converting a rotary mower deck from side discharge to mulching usage. The insert can be detatchably mounted in the mower deck and provides a cutting chamber wherein grass can be cut, mulched and redistributed onto the ground beneath the mower deck. The insert forms with the mower housing a cutting chamber which includes a reduced cross-sectional area at the front portion that provides for confining and accelerating the movement of air and clippings there through to minimize build-up of clippings adjacent the chamber surfaces. At the rear portions of the chamber, a larger cross-sectional area is provided to permit the clippings to slow down and disperse, allowing the clippings to be distributed and/or redirected into the blade for mulching. It is preferred that the insert is adapted for use with a two-bladed mower deck.
REFERENCES:
patent: 3797212 (1974-03-01), Pursel
patent: 4189903 (1980-02-01), Jackson et al.
patent: 4951449 (1990-08-01), Thorud
patent: 5191756 (1993-03-01), Kuhn
patent: 5267429 (1993-12-01), Kettler et al.
patent: 5488821 (1996-02-01), McCunn et al.
patent: 5628171 (1997-05-01), Stewart et al.
Deere & Co., Meeting Customer Needs Product Services Information Bulletin M112986, 8 pages, dated May 1995, published in the U.S.A.
Benter Dean William
Hohnl Gary David
Deere & Company
Shackelford Heather
LandOfFree
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