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Class Information
Number: 171
Name: Unearthing plants or buried objects >
Description: GENERAL STATEMENT OF CLASS SUBJECT MATTER.










Class Number Class Name No. of Patents
171/43

Combined or convertible

6
171/110

Digger and moving conveyer unit adjustable relative to chassis

9
171/142

Drive details (e.g., clutch or gearing)

3
171/8

Drive triggered by desired object

1
171/111

Earth removal and separation

15
171/122

Clod pulverizer outside separating zone

1
171/123

Conveyer disposed below separator

4
171/136

Digger and fixedly interconnected contiguous separator

4
171/124

Moving conveyer, digger or separator

18
171/134

Moving digger and separate separator

5
171/126

Moving open separator or separating conveyer

13
171/127

Compound motion (e.g., with agitator)

11
171/132

Moving screen or grate (e.g., shaker)

13
171/131

Plural successive separators, one a belt

5
171/130

Plural, successive, endless belt type

14
171/133

Relatively moving separator elements (e.g., rollers)

10
171/128

Rotary cylinder with radially extending separating elements

5
171/129

Rotary drum type

7
171/125

Rolling nonseparating elevator or conveyer

1
171/112

Rolling screen or sieve (e.g., wheel or belt)

4
171/135

Separator formed in collector receptacle

12
171/113

Spiral conveyer for excavator or separator

2
171/114

With impeller or clod breaker for excavator or separator

1
171/117

Endless belt type impeller or breaker

1
171/120

Endless impeller or breaker above excavator or separator

5
171/119

Excavator or separator within confines of endless impeller or breakers

1
171/118

Opposed endless members

1
171/121

Impeller or breaker driven through cyclic path

0
171/116

Rotary

5
171/115

Transversely moving rotary member

2
171/50

Extractor

6
171/55

Opposed plant engagers

3
171/59

Claw type

0
171/58

Disc or roller

45
171/56

Jaw means relatively movably mounted on carrier means

4
171/60

One a belt or belt carrier member

0
171/61

Opposed belts or belt carried members

28
171/57

Screw

3
171/53

Plant impaling or snagging (e.g., roots or tops)

5
171/54

Retractible to strip

0
171/51

With agitator for extractor or extractor-carried object

1
171/62

With digger or root cutter

23
171/52

With movable stripper

0
171/143

Frames and/or wheeled chassis

9
171/66

Ground engaging chain separators

2
171/21

Holding and severing plant portion in situ

0
171/22

Plural level cutters

1
171/83

Leading plow or cutter with contiguous, fixed inclined separator

3
171/141

Lifting or tilting means for unearthing apparatus

21
171/1

Methods of recovering buried objects

20
171/144

Miscellaneous (e.g., hopper or collector)

15
171/49

Moved object void filling or earth hold down

0
171/DIG.1

Peanut digger

8
171/7

Periodic dumping in piles

1
171/71

Plow or blade continguous to vibrating separator

4
171/78

Ground supported trailing separator

2
171/77

Non-circular rolling support for a separator

0
171/75

Plural separator sets of with articulated elements

1
171/76

Relatively moving interdigitated sets

0
171/81

Shifting laterally

0
171/79

Supported on longitudinally spaced links

0
171/80

Swinging about longitudinal or inclined axis

1
171/73

Transversely curved or inclined separator

0
171/72

With resilient support or drive connection

0
171/74

With side walls or guides

2
171/2

Plural alternately usable unearthing units

1
171/44

Power means to shift unearthing unit part

1
171/16

Railroad ballast removal and assorting or separating

108
171/14

Recovered object passes through separator interstices

22
171/15

Assorting by size

9
171/11

Removable or alternate collection receptacles

7
171/48

Separate draft connections to unearthing unit and unearthing unit support

0
171/84

Separating digger (e.g., vertical collecting tines)

3
171/104

Inclined lifting surfaces

0
171/105

Tines (e.g., forks)

13
171/106

Vertically stepped transverse elements

2
171/102

Laterally deflecting diggers

5
171/86

Movable on supporting frame (e.g., pivoted)

2
171/94

Carried by endless flexible member

0
171/99

Cyclic

0
171/91

Moving digger carrier with relatively moving digger

1
171/90

Moving digger with intercepting stripper or chute

0
171/89

Moving diggers with intercepting moving stripper or conveyer

4
171/100

Pivoted about ground wheel axle

0
171/88

Plural cooperating moving diggers

3
171/93

Rolling or coaxial with traction wheel

3
171/95

Rotary

0
171/96

Conical digger portion

0
171/97

Horizontal axis (e.g., longitudinal axis)

1
171/98

Transverse axis

5
171/92

Separator or collector within annular or endless digger

1
171/87

With ejector on digger or digger carrier

0
171/85

Moving impeller with cooperating circular arcuate guide

3
171/101

Separating digger intercepted by moving conveyer or impeller

16
171/103

Spaced, inclined shares or guides (pairs)

0
171/107

Tooth or tine arrangements or details

6
171/18

Separation by physical characteristics

15
171/17

Separation or orientation by fluid current or suspension

13
171/3

Stabilizing colter or fin

0
171/63

Stone gathering and/or unearthing by impelling above-ground plant or object portion

65
171/65

Impeller inclined to line of draft

15
171/64

With underground stalk or root severing

5
171/9

Support overload release and reset; drive overload relief; or automatic control

5
171/108

Traction wheel drive details for unearthing unit part

0
171/45

Tractor powered trailing unearthing unit

15
171/70

Transversely moving single tine row

0
171/46

Unearthing unit detachable from vehicle chassis

13
171/139

Unearthing unit fixed on vertically shiftable vehicle frame

1
171/47

Unearthing unit laterally shiftable on support

1
171/109

Unearthing unit or vehicular break-frame

0
171/82

Unearthing unit rocking or fulcrumed on ground

6
171/140

Unearthing unit with gauge runner or wheel

3
171/26

With above-ground means for detachment of plant part

9
171/30

By non-driven rotatable cutter (e.g., rolling)

1
171/31

Conveyer feed to or from cutter

5
171/32

Cutter positioned by gauge

1
171/36

Held by conveyer during cutting

5
171/38

Opposed belt conveyers

9
171/39

Wheel-like conveyer

0
171/37

With lateral disposal of cuttings

0
171/33

With driven gauge

1
171/34

With gauge

0
171/35

Moved into transverse horizontal position for cutting

0
171/27

Detachment by pulling, beating, shaking or crushing

22
171/28

By opposed rotary gripping elements

8
171/41

Moving topping cutter

6
171/42

Rotary or endless

2
171/29

Separate successive topping stations

0
171/40

With deflector or conveyer for detached plant part

3
171/4

With additional earth or plant rolling implement

1
171/12

With apparatus cleaner in nonrecovery zone of unearthing unit

3
171/25

With cleaning of recovered object by brushing or wiping

10
171/24

With comminuting or multiple cutting of recovered plant part

2
171/6

With earth marker or trailing earth conditioner

4
171/20

With manual operation station (e.g., topping, separation inspection)

6
171/138

With material redirecting conveyer or chute

8
171/67

With preliminary deflector for surface material

0
171/68

Driven deflector

0
171/69

Moving deflector

0
171/10

With preliminary removal or undesired earth material

5
171/137

With protective guard or casing

3
171/19

With rake or lateral deflector for ground contacting recovered objects

7
171/23

With selective delivery to alternate locations (e.g., by-pass)

4
171/13

With toothed moving stripper or pick-off for undesired object

4
171/5

With vertical cutter for vegetation

2
 
 
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