Earth working – Tool – standard or connection – Subsoilers
Patent
1984-06-01
1986-10-21
Johnson, Richard J.
Earth working
Tool, standard or connection
Subsoilers
172773, 172752, A01B 1308
Patent
active
046180060
ABSTRACT:
An improved ripper tiller implement is described which utilizes novel shank members including a soil fracturing member on the lower end of the shank. A replaceable shoe member may also be used on the shank.
REFERENCES:
patent: 2095165 (1937-10-01), Becker
patent: 3002574 (1961-10-01), Padrick
patent: 3393753 (1968-07-01), Perkins
patent: 3704753 (1972-12-01), Hasforth
patent: 4127073 (1978-11-01), Blair
patent: 4415042 (1983-11-01), Cosson
C. C. Sales Corporation
Edmundson Dean P.
Johnson Richard J.
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