US PATENT SUBCLASS 111 / 158
.~.~.~ Power rotated
Current as of: June, 1999
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| 111 / | HD | PLANTING |
|
| 14 | DF | DRILLING {12} |
| 149 | DF | .~ Furrow opener {7} |
| 157 | DF | .~.~ Rotary opener {2} |
| 158 |  | .~.~.~ Power rotated {1} |
| 159 | DF | .~.~.~.~> With tine {3} |
DEFINITION
Classification: 111/158
Power rotated:
(under subclass 157) Apparatus wherein the opening element derives its rotary motion from forces transmitted thereto by means other than, or in addition to, the opener's frictional contact with the soil.
SEE OR SEARCH THIS CLASS, SUBCLASS:
113, for power-operated rotary furrowers associated with plant setting.
122, for power-operated rotary furrowers associated with a liquid or gas soil treatment.
SEE OR SEARCH CLASS
172, Earth Working,
35+, for powered-rotating earth working tools.