| Class 171 | UNEARTHING PLANTS OR BURIED OBJECTS |
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![[List of Pre Grant Publications for class 171 subclass 1]](../as.gif) | ![[List of Patents for class 171 subclass 1]](../ps.gif) | 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 |
| | 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 |
| | 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 |  Detachment by pulling, beating, shaking or crushing |
| | 29 | Separate successive topping stations |
| | 30 | By non-driven rotatable cutter (e.g., rolling) |
| | 31 | Conveyer feed to or from cutter |
| | 40 | With deflector or conveyer for detached plant part |
| | 41 | Moving topping cutter |
| | 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 | With agitator for extractor or extractor-carried object |
| | 52 | With movable stripper |
| | 53 | Plant impaling or snagging (e.g., roots or tops) |
| | 55 | Opposed plant engagers |
| | 56 |  Jaw means relatively movably mounted on carrier means |
| | 57 | Screw |
| | 58 | Disc or roller |
| | 59 | Claw type |
| | 60 | One a belt or belt carrier member |
| | 62 | With digger or root cutter |
| | 63 | STONE GATHERING AND/OR UNEARTHING BY IMPELLING ABOVE-GROUND PLANT OR OBJECT PORTION |
| | 66 | GROUND ENGAGING CHAIN SEPARATORS |
| | 67 | WITH PRELIMINARY DEFLECTOR FOR SURFACE MATERIAL |
| | 70 | TRANSVERSELY MOVING SINGLE TINE ROW |
| | 71 | PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR |
| | 72 | With resilient support or drive connection |
| | 73 | Transversely curved or inclined separator |
| | 74 | With side walls or guides |
| | 75 | Plural separator sets of with articulated elements |
| | 77 | Non-circular rolling support for a separator |
| | 78 | Ground supported trailing separator |
| | 79 | Supported on longitudinally spaced links |
| | 80 | Swinging about longitudinal or inclined axis |
| | 81 | 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 | Moving impeller with cooperating circular arcuate guide |
| | 86 | Movable on supporting frame (e.g., pivoted) |
| | 87 | With ejector on digger or digger carrier |
| | 88 | Plural cooperating moving diggers |
| | 89 | Moving diggers with intercepting moving stripper or conveyer |
| | 90 | Moving digger with intercepting stripper or chute |
| | 91 | Moving digger carrier with relatively moving digger |
| | 92 | Separator or collector within annular or endless digger |
| | 93 | Rolling or coaxial with traction wheel |
| | 94 | Carried by endless flexible member |
| | 95 | Rotary |
| | 99 | Cyclic |
| | 100 | Pivoted about ground wheel axle |
| | 101 | Separating digger intercepted by moving conveyer or impeller |
| | 102 | Laterally deflecting diggers |
| | 103 | Spaced, inclined shares or guides (pairs) |
| | 104 | Inclined lifting surfaces |
| | 107 | 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 | Rolling screen or sieve (e.g., wheel or belt) |
| | 113 | Spiral conveyer for excavator or separator |
| | 114 | With impeller or clod breaker for excavator or separator |
| | 115 | Transversely moving rotary member |
| | 116 | Rotary |
| | 117 | Endless belt type impeller or breaker |
| | 118 |  Opposed endless members |
| | 119 | Excavator or separator within confines of endless impeller or breakers |
| | 120 | Endless impeller or breaker above excavator or separator |
| | 121 | Impeller or breaker driven through cyclic path |
| | 122 | Clod pulverizer outside separating zone |
| | 123 | Conveyer disposed below separator |
| | 124 | Moving conveyer, digger or separator |
| | 125 | Rolling nonseparating elevator or conveyer |
| | 126 | Moving open separator or separating conveyer |
| | 127 | Compound motion (e.g., with agitator) |
| | 128 | Rotary cylinder with radially extending separating elements |
| | 129 | Rotary drum type |
| | 130 | Plural, successive, endless belt type |
| | 131 | Plural successive separators, one a belt |
| | 132 | Moving screen or grate (e.g., shaker) |
| | 133 | Relatively moving separator elements (e.g., rollers) |
| | 134 | Moving digger and separate separator |
| | 135 | Separator formed in collector receptacle |
| | 136 | 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 |