Earth working – With drive means for tool or cleaner – Blade movable with respect to cyclically driven carrier
Patent
1981-09-10
1982-12-28
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Blade movable with respect to cyclically driven carrier
172 97, A01B 3302, A01B 3314
Patent
active
043656730
ABSTRACT:
A tiller head for a soil tilling device including a shaft which carries a number of blades which rotate with the shaft, and a drive for causing rotation of the shaft. A housing surrounds the drive. At least one of the blades is mounted for oscillatory movement where its ends shift laterally relative to the shaft. A camming device is carried by the housing and protrudes into the plane of rotation of the blade. The blade contacts the cam upon rotation of the shaft to urge the ends of the blade sequentially under the housing, thus tilling the soil under the housing.
REFERENCES:
patent: 2679794 (1954-06-01), Ober
patent: 2882977 (1959-04-01), Smith et al.
patent: 3246704 (1966-04-01), Honda et al.
patent: 3352367 (1967-11-01), Honda et al.
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