Harvesters – Cutting – Housing or guard
Patent
1989-01-27
1989-09-12
Suchfield, George A.
Harvesters
Cutting
Housing or guard
56 174, A01D 7500
Patent
active
048648086
ABSTRACT:
A lawn mower attachment that allows the lawn mower to pulverize the lawn clippings into a mulch. The mulching attachment mounts over the opening to the discharge chute (90). It consists of equally spaced rods (30) that form a grid. This grid permits air to escape while filtering the mulched material. Each rod (30) is suspended such that it is free to rotate about its longitudinal axis, move vertically in response to the terrain, and pivot about the suspended end. The pivot motion is constrained in angular displacement so as not to decrease the mulching capability. The vertical, rotating, and pivoting motion of the rods act to cleanse the grid and return the residue for further trituration. Limiting the grid rod motion insures grid integrity thus insuring that only properly prepared residue escapes.
REFERENCES:
patent: 2559897 (1951-07-01), Phelps
patent: 2982079 (1961-05-01), Schesser
patent: 3043077 (1962-07-01), Novak
patent: 3101580 (1963-08-01), Schesser
patent: 3126689 (1964-03-01), Walker et al.
patent: 3385041 (1968-05-01), Douglas
patent: 3391247 (1968-07-01), Nickoloff et al.
patent: 4189904 (1980-02-01), Paker
patent: 4306409 (1981-12-01), Wulfers
patent: 4411125 (1983-10-01), Strickland
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