High efficiency lawn mower housing

Details High efficiency lawn mower housing High efficiency lawn mower housing

1986-09-15

1988-04-12

Hirsch, Paul J.

Harvesters

Cutting

Rotating-cutting-disk type

56 134, 563202, A01D 3467, A01D 3472

Patent

active

047365765

ABSTRACT:
A lawn mower is described having a high collection efficiency. This is accomplished by constructing a housing having a toroidally-shaped skirt defining the interior space in which the blade rotates in a horizontal plane. The interior space has a generally circular cross-section, the radius of which gradually increases toward a region of maximum radius between upper and lower portions of the housings. The blade is positioned to rotate in the lower portion of the housing and a discharge port is positioned to encompass the region of maximum radius.

REFERENCES:
patent: 2791082 (1957-05-01), McDonough et al.
patent: 2957295 (1960-10-01), Brown
patent: 2983096 (1961-05-01), Phelps
patent: 3078573 (1963-02-01), Kern
patent: 3080697 (1963-03-01), Mauro
patent: 3192692 (1965-07-01), Slemmons
patent: 3398514 (1968-08-01), Nolan
patent: 3601960 (1971-08-01), Buechler
patent: 3706189 (1972-12-01), Rutherford
patent: 3874149 (1975-04-01), Seifert et al.
patent: 4559769 (1985-12-01), Seyerle

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