Lawn mower construction

Details Lawn mower construction Lawn mower construction

1975-12-23

1978-05-23

Kinsey, Russell R.

Harvesters

Motorized harvester

Including plural operating units and drive

56 167, 56255, 56295, A01D 5526

Patent

active

040903460

ABSTRACT:
A lawn mower for cutting grass, comprises a frame having an open bottom and being closed on the sides except for a lateral discharge opening. A drive motor is supported on a top closed cover of the frame, and it includes a drive shaft which drives a rotatable cutter disc which is rotatably supported on a support member of the frame. At least one second cutter disc in the form of a counterdisc is supported on the support member superjacent the first cutter and overlapping a portion of the periphery thereof so that the cutting action on the grass is improved by the interaction of the first cutter and a second countercutter. In the preferred arrangement, the support member is formed in the form of a disc or a blade which is also rotated and it carries a transmission for rotating at least the cutter and preferably also the countercutter and at a speed which is different from the cutter speed. Preferably, a plurality of cutters and counter-rotating cutters are supported on a rotatable support member or blade.

REFERENCES:
patent: 84790 (1868-12-01), Bidwell
patent: 1207580 (1916-12-01), Luce
patent: 1349266 (1920-08-01), Cogburn
patent: 3135081 (1964-06-01), Booth
patent: 3152431 (1964-10-01), Ott et al.
patent: 3596447 (1971-08-01), Makeham et al.
patent: 3601960 (1971-08-01), Buechler
patent: 4027463 (1977-06-01), Takahasi et al.

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