Harvesters – Motorized harvester – Having motor on ground-supported carrier
Patent
1979-08-13
1981-07-14
Hafer, Robert A.
Harvesters
Motorized harvester
Having motor on ground-supported carrier
56 174, 56255, A01D 3512, A01D 5518
Patent
active
042779375
ABSTRACT:
There is disclosed a technique for modifying a conventional rotary lawn mower to provide the capability of cleaning a paved area such as a sidewalk or driveway. Basically, the only modification to the lawn mower is the provision of a depending skirt extending downwardly from a peripherial wall of the lawn mower frame. Three embodiments are illustrated. The first embodiment comprises a skirt mounted on the lawn mower frame for adjusting movement between an upper or grass cutting position and a lower or sweeping position in which the lower edge of the skirt is spaced only slightly above the bottoms of the lawn mower wheels. The second embodiment comprises a skirt fixed to the lawn mower frame. Adjustment of the skirt to a lower sweeping position is accomplished by the provision of conventional adjustable wheels which effectively lower the lawn mower frame relative to the ground. The third embodiment comprises a skirt which is attached to the lawn mower only when it is desired to perform a sweeping function.
REFERENCES:
patent: 2687607 (1954-08-01), Sewell
patent: 3093948 (1963-06-01), Root
patent: 3531923 (1970-10-01), DeLay
patent: 3759023 (1973-09-01), Comer
patent: 3869766 (1975-03-01), Raymond
patent: 3959954 (1976-06-01), Halsten
patent: 3995348 (1976-12-01), Chernosky
Hafer Robert A.
Moller G. Turner
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