Earth working – With drive means for tool or cleaner – Vibrating tool
Patent
1988-05-03
1989-07-25
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Vibrating tool
172125, 172699, A01B 3500, A01B 1308
Patent
active
048504343
ABSTRACT:
Tilling apparatus, particularly for deep ripping of the soil, adapted to be towed by a tractor having teeth for penetrating the ground, each tooth being hollow, having an unbalanced rotor housed therein adjacent its lower end, a motor mounted on the side of the tooth adjacent its upper end, and drive means housed in the tooth driven by the motor and operable to drive the rotor for causing vibration of the lower end portion of the tooth.
REFERENCES:
patent: 3349854 (1967-10-01), Cain
patent: 3448813 (1969-06-01), Rogers
patent: 3698484 (1972-10-01), Kinnan
patent: 4159745 (1979-07-01), Hood
patent: 4336844 (1982-06-01), Helbig
Gibson James L.
Rubemeyer Ronald W.
Johnson Richard J.
Peabody Coal Company
Thompson Jeffrey L.
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