Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1987-10-21
1989-08-15
Kyle, Deborah L.
Earth working
With drive means for tool or cleaner
Plural driven tools
172102, 172 60, A01B 1906
Patent
active
048565989
ABSTRACT:
The ends opposite one another of adjacent bars (2, 3) of (4, 5) are sized, shaped, and positioned to cooperate with one another to push back hard objects which are found between two adjacent bars (2, 3) or (4, 5) during their approaching phase.
REFERENCES:
patent: 2298537 (1942-10-01), Lyle
patent: 4314609 (1982-02-01), Chauvet
Klein Jean M.
Oberle Edmond M.
Eldred J. Woodrow
Kuhn S.A.
Kyle Deborah L.
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