Earth working – With drive means for tool or cleaner – Guided by walking attendant
Patent
1985-03-11
1986-11-11
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Guided by walking attendant
172 57, 172 59, 172240, A01B 3306, A01B 3300, A01B 7300
Patent
active
046216979
ABSTRACT:
A fulcrum assembly for a tiller of the type having auger shafts usable in a horizontal or vertical disposition provides a fulcrum point between the handle bars and the auger shafts, so that during operation by moving the tiller handle down an operator can change the downward motion of the auger shafts to an upward motion, thereby enabling the retrieval of the auger shafts from the soil after vertical augering.
REFERENCES:
patent: D244682 (1977-06-01), Miner
patent: 1506042 (1924-08-01), Bauer
patent: 2574353 (1951-11-01), Singer
patent: 2643599 (1953-06-01), Wharton
patent: 4049059 (1977-09-01), Weibling
patent: 4121668 (1978-10-01), Miner
Brown Terrence L. B.
Johnson Richard J.
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