Lawn trimmer

Details Lawn trimmer Lawn trimmer

1985-06-11

1987-05-12

Peshock, Robert

Harvesters

Motorized harvester

Including cutter yieldably mounted on its drive means

56 169, 56 7, 56 147, A01D 3406

Patent

active

046639209

ABSTRACT:
An apparatus for use in lawn and garden maintenance, in which a chassis having a pair of axially aligned and independently operable drive wheels carries a grass trimmer comprising an articulated arm pivotably mounted at one end on the chassis, a trimming device mounted on that end of the arm remote from the chassis, gripping means mounted on the arm for manual manipulation thereof, and means mounted on the chassis to actuate the trimming device, the arm comprising a first variable parallelogram unit pivotably mounted on the chassis in a vertical plane and a second variable parallelogram unit pivotably mounted on that end of the first parallelogram unit in said vertical plane remote from the chassis, the trimming device being pivotably mounted on that end of the second parallelogram unit remote from the first parallelogram unit, the parallelogram units being spring biased against free movement thereof.

REFERENCES:
patent: 3410063 (1968-11-01), Speiser
patent: 3543019 (1970-11-01), Jacobsen
patent: 3559385 (1971-02-01), Eaton
patent: 4170099 (1979-10-01), Owens

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