US Patent Class 171
UNEARTHING PLANTS OR BURIED OBJECTS-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  METHODS OF RECOVERING BURIED OBJECTS
2  DF  PLURAL ALTERNATELY USABLE UNEARTHING UNITS
3  DF  STABILIZING COLTER OR FIN
4  DF  WITH ADDITIONAL EARTH OR PLANT ROLLING IMPLEMENT
5  DF  WITH VERTICAL CUTTER FOR VEGETATION
6  DF  WITH EARTH MARKER OR TRAILING EARTH CONDITIONER
7  DF  PERIODIC DUMPING IN PILES
8  DF  DRIVE TRIGGERED BY DESIRED OBJECT
9  DF  SUPPORT OVERLOAD RELEASE AND RESET; DRIVE OVERLOAD RELIEF; OR AUTOMATIC CONTROL
10  DF  WITH PRELIMINARY REMOVAL OR UNDESIRED EARTH MATERIAL
11  DF  REMOVABLE OR ALTERNATE COLLECTION RECEPTACLES
12  DF  WITH APPARATUS CLEANER IN NONRECOVERY ZONE OF UNEARTHING UNIT
13  DF  WITH TOOTHED MOVING STRIPPER OR PICK-OFF FOR UNDESIRED OBJECT
14  DF  RECOVERED OBJECT PASSES THROUGH SEPARATOR INTERSTICES {1}
16  DF  RAILROAD BALLAST REMOVAL AND ASSORTING OR SEPARATING
17  DF  SEPARATION OR ORIENTATION BY FLUID CURRENT OR SUSPENSION
18  DF  SEPARATION BY PHYSICAL CHARACTERISTICS
19  DF  WITH RAKE OR LATERAL DEFLECTOR FOR GROUND CONTACTING RECOVERED OBJECTS
20  DF  WITH MANUAL OPERATION STATION (E.G., TOPPING, SEPARATION INSPECTION)
21  DF  HOLDING AND SEVERING PLANT PORTION IN SITU {1}
23  DF  WITH SELECTIVE DELIVERY TO ALTERNATE LOCATIONS (E.G., BY-PASS)
24  DF  WITH COMMINUTING OR MULTIPLE CUTTING OF RECOVERED PLANT PART
25  DF  WITH CLEANING OF RECOVERED OBJECT BY BRUSHING OR WIPING
26  DF  WITH ABOVE-GROUND MEANS FOR DETACHMENT OF PLANT PART {6}
43  DF  COMBINED OR CONVERTIBLE
44  DF  POWER MEANS TO SHIFT UNEARTHING UNIT PART
45  DF  TRACTOR POWERED TRAILING UNEARTHING UNIT
46  DF  UNEARTHING UNIT DETACHABLE FROM VEHICLE CHASSIS
47  DF  UNEARTHING UNIT LATERALLY SHIFTABLE ON SUPPORT
48  DF  SEPARATE DRAFT CONNECTIONS TO UNEARTHING UNIT AND UNEARTHING UNIT SUPPORT
49  DF  MOVED OBJECT VOID FILLING OR EARTH HOLD DOWN
50  DF  EXTRACTOR {5}
63  DF  STONE GATHERING AND/OR UNEARTHING BY IMPELLING ABOVE-GROUND PLANT OR OBJECT PORTION {2}
66  DF  GROUND ENGAGING CHAIN SEPARATORS
67  DF  WITH PRELIMINARY DEFLECTOR FOR SURFACE MATERIAL {2}
70  DF  TRANSVERSELY MOVING SINGLE TINE ROW
71  DF  PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR {9}
82  DF  UNEARTHING UNIT ROCKING OR FULCRUMED ON GROUND
83  DF  LEADING PLOW OR CUTTER WITH CONTIGUOUS, FIXED INCLINED SEPARATOR
84  DF  SEPARATING DIGGER (E.G., VERTICAL COLLECTING TINES) {7}
108  DF  TRACTION WHEEL DRIVE DETAILS FOR UNEARTHING UNIT PART
109  DF  UNEARTHING UNIT OR VEHICULAR BREAK-FRAME
110  DF  DIGGER AND MOVING CONVEYER UNIT ADJUSTABLE RELATIVE TO CHASSIS
111  DF  EARTH REMOVAL AND SEPARATION {8}
137  DF  WITH PROTECTIVE GUARD OR CASING
138  DF  WITH MATERIAL REDIRECTING CONVEYER OR CHUTE
139  DF  UNEARTHING UNIT FIXED ON VERTICALLY SHIFTABLE VEHICLE FRAME
140  DF  UNEARTHING UNIT WITH GAUGE RUNNER OR WHEEL
141  DF  LIFTING OR TILTING MEANS FOR UNEARTHING APPARATUS
142  DF  DRIVE DETAILS (E.G., CLUTCH OR GEARING)
143  DF  FRAMES AND/OR WHEELED CHASSIS
144  DF  MISCELLANEOUS (E.G., HOPPER OR COLLECTOR)
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DIGEST
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DIG 1  DF  Peanut digger