Rotary mower

Details Rotary mower Rotary mower

1987-12-14

1989-01-31

Hirsch, Paul J.

Harvesters

Motorized harvester

Having motor on ground-supported carrier

56 136, A01D 3474

Patent

active

048007102

ABSTRACT:
A rotary mower with at least one rotary cutter unit rotated on a vertical axis by means of a drive shaft which has a first bearing hub secured to its lower end. A cutter disc is secured to the first bearing hub and a second bearing hub is coaxially and rotatably mounted on the first bearing hub. A rigid intermediate disc is secured to the second bearing hub so as to be disposed beneath the cutter disc. A skid disc on a third bearing hub is disposed coaxially beneath the intermediate disc in such a way that its central portion can be axially adjusted by means of an adjustment device to change the height of cut. The skid disc is elastically flexible with its outer rim engaging the outer rim of the intermediate disc in all positions of height adjustment.

REFERENCES:
patent: 3141283 (1964-07-01), Swindler
patent: 4084395 (1978-04-01), Nannen
patent: 4233805 (1980-11-01), Vander Lely
patent: 4286423 (1981-09-01), Caldwell
patent: 4426828 (1984-01-01), Nevrburg
patent: 4706848 (1987-11-01), Nannen

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