Combined A.C./D.C. electric lawn mower

Details Combined A.C./D.C. electric lawn mower Combined A.C./D.C. electric lawn mower

1981-03-13

1982-06-08

Hirsch, Paul J.

Harvesters

Motorized harvester

With randomly-operative control of motor

56 106, 56 113, 56 119, A01D 35262, A01D 6904, A01D 6908, A01D 6910

Patent

active

043333028

ABSTRACT:
An electric lawn mower including an A.C. motor and a D.C. motor connected through a gearing and clutch arrangement for operation of either motor separately or concurrently. The gearing arrangement includes a mower blade drive gear acted upon by either of the respective driven gears associated with the A.C. and D.C. motors. The mower may be operated by either the A.C. motor or the D.C. motor separately, or by both motors combined to provide increased power to the cutting blade for mowing of dense areas of vegetation.

REFERENCES:
patent: 969797 (1910-09-01), Mustin
patent: 2298135 (1942-10-01), Klein
patent: 2417613 (1947-03-01), Radabaugh
patent: 2906081 (1959-09-01), Flanigan
patent: 3142950 (1964-08-01), Wiest
patent: 3212244 (1965-10-01), Wilgus
patent: 3230695 (1966-01-01), Wiest
patent: 3500085 (1970-03-01), Smith
patent: 3570227 (1971-03-01), Bellinger
patent: 3841069 (1974-10-01), Weck
patent: 4064680 (1977-12-01), Fleigle
patent: 4195466 (1980-04-01), Heismann

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