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 Class   171UNEARTHING PLANTS OR BURIED OBJECTS
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  1           METHODS OF RECOVERING BURIED OBJECTS
  2           PLURAL ALTERNATELY USABLE UNEARTHING UNITS
  3           STABILIZING COLTER OR FIN
  4           WITH ADDITIONAL EARTH OR PLANT ROLLING IMPLEMENT
  5           WITH VERTICAL CUTTER FOR VEGETATION
  6           WITH EARTH MARKER OR TRAILING EARTH CONDITIONER
  7           PERIODIC DUMPING IN PILES
  8           DRIVE TRIGGERED BY DESIRED OBJECT
  9           SUPPORT OVERLOAD RELEASE AND RESET; DRIVE OVERLOAD RELIEF; OR AUTOMATIC CONTROL
  10           WITH PRELIMINARY REMOVAL OR UNDESIRED EARTH MATERIAL
  11           REMOVABLE OR ALTERNATE COLLECTION RECEPTACLES
  12           WITH APPARATUS CLEANER IN NONRECOVERY ZONE OF UNEARTHING UNIT
  13           WITH TOOTHED MOVING STRIPPER OR PICK-OFF FOR UNDESIRED OBJECT
  14           RECOVERED OBJECT PASSES THROUGH SEPARATOR INTERSTICES
  15           . (1 indent ) Assorting by size
  16           RAILROAD BALLAST REMOVAL AND ASSORTING OR SEPARATING
  17           SEPARATION OR ORIENTATION BY FLUID CURRENT OR SUSPENSION
  18           SEPARATION BY PHYSICAL CHARACTERISTICS
  19           WITH RAKE OR LATERAL DEFLECTOR FOR GROUND CONTACTING RECOVERED OBJECTS
  20           WITH MANUAL OPERATION STATION (E.G., TOPPING, SEPARATION INSPECTION)
  21           HOLDING AND SEVERING PLANT PORTION IN SITU
  22           . (1 indent ) Plural level cutters
  23           WITH SELECTIVE DELIVERY TO ALTERNATE LOCATIONS (E.G., BY-PASS)
  24           WITH COMMINUTING OR MULTIPLE CUTTING OF RECOVERED PLANT PART
  25           WITH CLEANING OF RECOVERED OBJECT BY BRUSHING OR WIPING
  26           WITH ABOVE-GROUND MEANS FOR DETACHMENT OF PLANT PART
  27           . (1 indent ) Detachment by pulling, beating, shaking or crushing
  28           .. (2 indent ) By opposed rotary gripping elements
  29           . (1 indent ) Separate successive topping stations
  30           . (1 indent ) By non-driven rotatable cutter (e.g., rolling)
  31           . (1 indent ) Conveyer feed to or from cutter
  32           .. (2 indent ) Cutter positioned by gauge
  33           .. (2 indent ) With driven gauge
  34           .. (2 indent ) With gauge
  35           ... (3 indent ) Moved into transverse horizontal position for cutting
  36           .. (2 indent ) Held by conveyer during cutting
  37           ... (3 indent ) With lateral disposal of cuttings
  38           ... (3 indent ) Opposed belt conveyers
  39           ... (3 indent ) Wheel-like conveyer
  40           . (1 indent ) With deflector or conveyer for detached plant part
  41           . (1 indent ) Moving topping cutter
  42           .. (2 indent ) Rotary or endless
  43           COMBINED OR CONVERTIBLE
  44           POWER MEANS TO SHIFT UNEARTHING UNIT PART
  45           TRACTOR POWERED TRAILING UNEARTHING UNIT
  46           UNEARTHING UNIT DETACHABLE FROM VEHICLE CHASSIS
  47           UNEARTHING UNIT LATERALLY SHIFTABLE ON SUPPORT
  48           SEPARATE DRAFT CONNECTIONS TO UNEARTHING UNIT AND UNEARTHING UNIT SUPPORT
  49           MOVED OBJECT VOID FILLING OR EARTH HOLD DOWN
  50           EXTRACTOR
  51           . (1 indent ) With agitator for extractor or extractor-carried object
  52           . (1 indent ) With movable stripper
  53           . (1 indent ) Plant impaling or snagging (e.g., roots or tops)
  54           .. (2 indent ) Retractible to strip
  55           . (1 indent ) Opposed plant engagers
  56           .. (2 indent ) Jaw means relatively movably mounted on carrier means
  57           .. (2 indent ) Screw
  58           .. (2 indent ) Disc or roller
  59           .. (2 indent ) Claw type
  60           .. (2 indent ) One a belt or belt carrier member
  61           ... (3 indent ) Opposed belts or belt carried members
  62           . (1 indent ) With digger or root cutter
  63           STONE GATHERING AND/OR UNEARTHING BY IMPELLING ABOVE-GROUND PLANT OR OBJECT PORTION
  64           . (1 indent ) With underground stalk or root severing
  65           . (1 indent ) Impeller inclined to line of draft
  66           GROUND ENGAGING CHAIN SEPARATORS
  67           WITH PRELIMINARY DEFLECTOR FOR SURFACE MATERIAL
  68           . (1 indent ) Driven deflector
  69           . (1 indent ) Moving deflector
  70           TRANSVERSELY MOVING SINGLE TINE ROW
  71           PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR
  72           . (1 indent ) With resilient support or drive connection
  73           . (1 indent ) Transversely curved or inclined separator
  74           . (1 indent ) With side walls or guides
  75           . (1 indent ) Plural separator sets of with articulated elements
  76           .. (2 indent ) Relatively moving interdigitated sets
  77           . (1 indent ) Non-circular rolling support for a separator
  78           . (1 indent ) Ground supported trailing separator
  79           . (1 indent ) Supported on longitudinally spaced links
  80           . (1 indent ) Swinging about longitudinal or inclined axis
  81           . (1 indent ) Shifting laterally
  82           UNEARTHING UNIT ROCKING OR FULCRUMED ON GROUND
  83           LEADING PLOW OR CUTTER WITH CONTIGUOUS, FIXED INCLINED SEPARATOR
  84           SEPARATING DIGGER (E.G., VERTICAL COLLECTING TINES)
  85           . (1 indent ) Moving impeller with cooperating circular arcuate guide
  86           . (1 indent ) Movable on supporting frame (e.g., pivoted)
  87           .. (2 indent ) With ejector on digger or digger carrier
  88           .. (2 indent ) Plural cooperating moving diggers
  89           .. (2 indent ) Moving diggers with intercepting moving stripper or conveyer
  90           .. (2 indent ) Moving digger with intercepting stripper or chute
  91           .. (2 indent ) Moving digger carrier with relatively moving digger
  92           .. (2 indent ) Separator or collector within annular or endless digger
  93           .. (2 indent ) Rolling or coaxial with traction wheel
  94           .. (2 indent ) Carried by endless flexible member
  95           .. (2 indent ) Rotary
  96           ... (3 indent ) Conical digger portion
  97           ... (3 indent ) Horizontal axis (e.g., longitudinal axis)
  98           .... (4 indent ) Transverse axis
  99           .. (2 indent ) Cyclic
  100           .. (2 indent ) Pivoted about ground wheel axle
  101           . (1 indent ) Separating digger intercepted by moving conveyer or impeller
  102           . (1 indent ) Laterally deflecting diggers
  103           . (1 indent ) Spaced, inclined shares or guides (pairs)
  104           . (1 indent ) Inclined lifting surfaces
  105           .. (2 indent ) Tines (e.g., forks)
  106           .. (2 indent ) Vertically stepped transverse elements
  107           . (1 indent ) Tooth or tine arrangements or details
  108           TRACTION WHEEL DRIVE DETAILS FOR UNEARTHING UNIT PART
  109           UNEARTHING UNIT OR VEHICULAR BREAK-FRAME
  110           DIGGER AND MOVING CONVEYER UNIT ADJUSTABLE RELATIVE TO CHASSIS
  111           EARTH REMOVAL AND SEPARATION
  112           . (1 indent ) Rolling screen or sieve (e.g., wheel or belt)
  113           . (1 indent ) Spiral conveyer for excavator or separator
  114           . (1 indent ) With impeller or clod breaker for excavator or separator
  115           .. (2 indent ) Transversely moving rotary member
  116           .. (2 indent ) Rotary
  117           .. (2 indent ) Endless belt type impeller or breaker
  118           ... (3 indent ) Opposed endless members
  119           ... (3 indent ) Excavator or separator within confines of endless impeller or breakers
  120           ... (3 indent ) Endless impeller or breaker above excavator or separator
  121           .. (2 indent ) Impeller or breaker driven through cyclic path
  122           . (1 indent ) Clod pulverizer outside separating zone
  123           . (1 indent ) Conveyer disposed below separator
  124           . (1 indent ) Moving conveyer, digger or separator
  125           .. (2 indent ) Rolling nonseparating elevator or conveyer
  126           .. (2 indent ) Moving open separator or separating conveyer
  127           ... (3 indent ) Compound motion (e.g., with agitator)
  128           ... (3 indent ) Rotary cylinder with radially extending separating elements
  129           ... (3 indent ) Rotary drum type
  130           ... (3 indent ) Plural, successive, endless belt type
  131           ... (3 indent ) Plural successive separators, one a belt
  132           ... (3 indent ) Moving screen or grate (e.g., shaker)
  133           ... (3 indent ) Relatively moving separator elements (e.g., rollers)
  134           .. (2 indent ) Moving digger and separate separator
  135           . (1 indent ) Separator formed in collector receptacle
  136           . (1 indent ) Digger and fixedly interconnected contiguous separator
  137           WITH PROTECTIVE GUARD OR CASING
  138           WITH MATERIAL REDIRECTING CONVEYER OR CHUTE
  139           UNEARTHING UNIT FIXED ON VERTICALLY SHIFTABLE VEHICLE FRAME
  140           UNEARTHING UNIT WITH GAUGE RUNNER OR WHEEL
  141           LIFTING OR TILTING MEANS FOR UNEARTHING APPARATUS
  142           DRIVE DETAILS (E.G., CLUTCH OR GEARING)
  143           FRAMES AND/OR WHEELED CHASSIS
  144           MISCELLANEOUS (E.G., HOPPER OR COLLECTOR)
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 
 DIGESTS
 
   DIG1           PEANUT DIGGER


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