Earth working – With earth marker
Patent
1979-12-04
1981-07-28
Johnson, Richard J.
Earth working
With earth marker
172253, 172491, A01B 2500
Patent
active
042805635
ABSTRACT:
An auxiliary shovel operatively mounted on each side of an agricultural implement, each being laterally disposed relative to the usual rows of shovels. A ground marker laterally extending from each side of the implement and being automatically operable into down ground engaging and marking position and into raised inoperative position. Each auxiliary shovel being connected with the marker which extends laterally from the same side of the implement, and means automatically connecting each shovel to a marker, each shovel being in down operative ground engaging and digging position when its corresponding marker is in down ground marking position and being in inoperative raised position when its corresponding marker is in raised position. The positions of the two laterally extending markers being controlled by the operator of the implement.
REFERENCES:
patent: 3158204 (1964-11-01), Martin
patent: 3314386 (1967-04-01), Kopaska
patent: 3528507 (1970-09-01), Morkoski
patent: 4048929 (1977-09-01), Zumbahlen
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