Power harrow with vertical rotating rotors

Details Power harrow with vertical rotating rotors Power harrow with vertical rotating rotors

1979-11-15

1981-11-10

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

308178, A01B 3306

Patent

active

042992915

ABSTRACT:
A power harrow has a frame that is normally substantially horizontal and at least one rotor. A rotatable shaft is journalled near one end in a bearing secured to the frame. The rotor is in driven connection with the other end of the shaft, and is rotated about a normally upright axis, so as to make contact with the soil to work it. A protective shield surrounds the bearing from below.

REFERENCES:
patent: 3017224 (1962-01-01), Palmer
patent: 4043401 (1977-08-01), Lely
patent: 4095652 (1978-06-01), Lely
patent: 4124078 (1978-11-01), Lely
patent: 4151885 (1979-05-01), Lely

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