Earth working – With drive means for tool or cleaner – Compound motion for tool
Patent
1979-10-02
1981-02-17
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Compound motion for tool
172 91, 172110, 172125, A01B 3908, A01B 3910, A01B 3918
Patent
active
042509696
ABSTRACT:
A cultivating attachment mounted on a tractor is driven by the power take-off drive of the tractor to simulate the customary action of a hoe when it is manually manipulated. The desired effect is achieved by providing a pair of ground engaging rotatable cutting elements at the ends of an arm mounted on a chassis which is connected to the tractor frame. Shafts are connected to the ends of the arm and also eccentrically connected to plates which are rotated by a drive connected to the power take-off of the tractor. Movement of the eccentrics imparts an oscillating and vertical movement to the arm and the cutting elements connected thereto as the cutting elements engage the ground being cultivated.
REFERENCES:
patent: 923163 (1909-06-01), Gaston
patent: 1636219 (1927-07-01), Dion
patent: 2280372 (1942-04-01), Carlson
patent: 2769382 (1956-11-01), Vacek
Groff, Jr. Emory L.
Shapiro Paul E.
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