Harvesters – Motorized harvester – With selective control of drive means
Patent
1979-08-13
1981-07-14
Hirsch, Paul J.
Harvesters
Motorized harvester
With selective control of drive means
56 113, A01D 6908, A01D 6900
Patent
active
042779367
ABSTRACT:
A combined engine flywheel and centrifugal clutch driver for a rotary lawn mower blade. Two heavy circular plates, as a quarter-inch steel plate, of large diameter, e.g., six inches, are riveted together against three peripherally spaced pairs of spacer slugs stamped from the same material, and against a central shouldered hub. This forms a rotor of sufficient rotational inertia when mounted on the depending shaft of a mower engine to provide the principal flywheel effect for an engine having a relatively lightweight magneto and fan rotor at its top end.
REFERENCES:
patent: 3026665 (1962-03-01), Hoff
patent: 3253391 (1966-05-01), Meldahl
patent: 4035994 (1977-07-01), Hoff
patent: 4044533 (1977-08-01), Wick
patent: 4148173 (1979-04-01), Hoff
patent: 4152881 (1979-05-01), Hoff
patent: 4205737 (1980-06-01), Harkness et al.
Hirsch Paul J.
Hoffco Inc.
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