1989-10-17
1990-08-21
Neuder, William P.
Harvesters
Gang
56 138, 56 155, E21B 3400
Patent
active
049495348
ABSTRACT:
A lawn mowing apparatus is disclosed for use with a tractor or an auxiliary apparatus. The apparatus includes a trailer adapted to be connected to the hitch for the tractor, and a boom frame pivotally mounted on and above the trailer. One end of the boom frame supports an engine, while its other end supports a rotary cutting device operatively connected to the engine. A chain link drive element and sprockets engaged therewith effect pivoting movement of the boom frame relative to the trailer over about 280.degree. sweep. A hand operated crank, operable by the rider on the tractor, is operatively connected to selectively pivot the boom frame to a desired position relative to the trailer. This effects swiveling movement of the frame in either direction and, consequently, selective movement of the rotary cutter device during a cutting operation. A pivot pin rotatably supports the boom frame for vertical movement of its opposite ends about the pivot pin. The weight of the engine biases the cutting device toward the ground, and a foot having a swiveling wheel maintains the cutting height of the cutting device.
REFERENCES:
patent: 3583133 (1971-06-01), Kasberger
patent: 4257213 (1981-03-01), Brumat
patent: 4840020 (1989-06-01), Oka
patent: 4858418 (1989-08-01), von Allwoerden
patent: 4869056 (1989-09-01), Lynch
patent: 4873818 (1989-10-01), Turner
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