Notched coulter/disc and method of making same

Details Notched coulter/disc and method of making same Notched coulter/disc and method of making same

2011-02-01

2011-02-01

Pezzuto, Robert E (Department: 3671)

Earth working

Rolling, rotating or orbitally moving tool

Detailed disk structure per se

C172S765000

Reexamination Certificate

active

07878262

ABSTRACT:
A coulter or disc having a plurality of directional notches therein is used in one rotational direction for one use and an opposite rotational direction for a different use. The notches are selected from many arcuate shapes and sizes. The notches taper from sharp to dull from one end to the other, but in use one can chose to lead with the dull or the sharp end of the notches. A method of making and using such coulters or discs is described and shown.

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patent: 7497270 (2009-03-01), Bruce
patent: 7757777 (2010-07-01), Wipf et al.

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