Earth working – With drive means for tool or cleaner – Guided by walking attendant
Patent
1979-03-08
1981-03-17
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Guided by walking attendant
172123, A01B 3310, A01B 3302
Patent
active
042561833
ABSTRACT:
A rotary tiller blade for mounting along with other similar blades, on a driven tiller shaft in a rotary tiller machine, which blade is configured and arranged to provide two cutting teeth per blade which enables a faster, smoother running and more thorough ground breaking action than any other tiller blade design.
REFERENCES:
patent: 998480 (1911-07-01), Ekrem
patent: 2477662 (1949-08-01), Seaman
patent: 2835182 (1958-05-01), Smithburn
Kovac Michael
Shapiro Paul E.
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