Soil loosening device

Details Soil loosening device Soil loosening device

1986-08-26

1988-02-23

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Attendant supported tool

172 495, 74 50, 74109, A01B 100, A01B 3606

Patent

active

047264276

ABSTRACT:
The soil loosening device has at least one, preferably two journals protruding downwardly from a supporting body, which are driven to a pivotal motion along a limited angle. Tine-like soil loosening tool members in bifurcate arrangement, to be driven along a circle segment, are mounted on the journals. The driving unit for driving the tools is characterized by its simple design since it consists of only a few, reliably guided and sturdy components. Particularly, there is provided a crank shaft which drives a toothed rack member to an oscillating motion. Gear wheels connected to the journals mesh with the toothed rack member. Accordingly the expenditure in manufacturing the device is low and the device has a high resistance to wear. The driving unit of the device may be attached to the supporting body in different angular positions by means of a coupling device.

REFERENCES:
patent: 1180134 (1979-12-01), van der Lely
patent: 2625867 (1953-01-01), Hands
patent: 2787111 (1957-04-01), Templeton
patent: 3513917 (1970-05-01), Stober
patent: 4003436 (1977-01-01), Foster
patent: 4213504 (1980-07-01), Schneider

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