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CPC
COOPERATIVE PATENT CLASSIFICATION
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A01B
SOIL WORKING IN AGRICULTURE OR FORESTRY ; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL ( making or covering furrows or holes for sowing, planting, or manuring A01C 5/00 ; soil working for engineering purposes E01 , E02 , E21 ;
{
measuring areas for agricultural purposes G01B
}
 )
WARNING
-
The following IPC groups are not used in the CPC system. Subject matter covered by these groups is classified in the following CPC groups:
A01B69/04 covered by A01B 69/008
A01B69/06 covered by A01B 69/005
A01B69/08 covered by A01B 69/006

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A01B 1/00
Hand tools ( edge trimmers for lawns A01G 3/06 ;
{
machines for working soil A01B 35/00 ; making hand tools B21D
}
 )
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A01B 1/02
.
Spades ; Shovels
{
hand-operated dredgers E02F 3/02
}
A01B 1/022
. .
{
Collapsible; extensible; combinations with other tools
}
A01B 1/024
. .
{
Foot protectors attached to the blade
}
A01B 1/026
. .
{
with auxiliary handles for facilitating lifting
}
A01B 1/028
. .
{
with ground abutment shoes or earth anchors for facilitating lifting
}
A01B 1/04
. .
with teeth
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A01B 1/06
.
Hoes ; Hand cultivators
{
rakes A01D 7/00 ; forks A01D 9/00 ; picks B25D
}
A01B 1/065
. .
{
powered
}
A01B 1/08
. .
with a single blade
A01B 1/10
. .
with two or more blades
A01B 1/12
. .
with blades provided with teeth
A01B 1/14
. .
with teeth only
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A01B 1/16
.
Tools for uprooting weeds
A01B 1/165
. .
{
adapted for extracting a substantially cylindrical plug out of the earth
}
A01B 1/18
. .
Tong-like tools
A01B 1/20
.
Combinations of different kinds of hand tools
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A01B 1/22
.
Attaching the blades or the like to handles ( handles for tools, or their attachment, in general B25G ) ; Interchangeable or adjustable blades
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A01B 1/222
. .
{
Adjustable blades
}
A01B 1/225
. . .
{
around a substantially horizontal axis
}
A01B 1/227
. .
{
Interchangable blades
}
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A01B 1/24
.
for treating meadows or lawns
A01B 1/243
. .
{
for aerating
}
A01B 1/246
. .
{
for cutting sods or turves
}
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Guide Heading:
Ploughs
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A01B 3/00
Ploughs with fixed plough-shares
A01B 3/02
.
Man-driven ploughs
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A01B 3/04
.
Animal-drawn ploughs
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A01B 3/06
. .
without alternating possibility, i.e. incapable of making an adjacent furrow on return journey,
{
i.e. conventional ploughing
}
A01B 3/08
. . .
Swing ploughs
A01B 3/10
. . .
Trussed-beam ploughs ; Single-wheel ploughs
A01B 3/12
. . .
Two-wheel beam ploughs
A01B 3/14
. . .
Frame ploughs
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A01B 3/16
. .
Alternating ploughs, i.e. capable of making an adjacent furrow on return journey
A01B 3/18
. . .
Turn-wrest ploughs
A01B 3/20
. . .
Balance ploughs
A01B 3/22
. . .
with parallel plough units used alternately
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A01B 3/24
.
Tractor-drawn ploughs ( A01B 3/04 takes precedence )
A01B 3/26
. .
without alternating possibility
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A01B 3/28
. .
Alternating ploughs
A01B 3/30
. . .
Turn-wrest ploughs
A01B 3/32
. . .
Balance ploughs
A01B 3/34
. . .
with parallel plough units used alternately
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A01B 3/36
.
Ploughs mounted on tractors
A01B 3/38
. .
without alternating possibility
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A01B 3/40
. .
Alternating ploughs
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A01B 3/42
. . .
Turn-wrest ploughs
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A01B 3/421
. . . .
with a headstock frame made in one piece
A01B 3/4215
. . . . .
{
the headstock being provided with two or more hydraulic cylinders
}
A01B 3/426
. . . .
with a headstock frame made of two or more parts
A01B 3/44
. . .
with parallel plough units used alternately
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A01B 3/46
.
Ploughs supported partly by tractor and partly by their own wheels
A01B 3/462
. .
{
Alternating ploughs with frame rotating about a vertical axis
}
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A01B 3/464
. .
{
Alternating ploughs with frame rotating about a horizontal axis, e.g. turn-wrest ploughs
}
A01B 3/466
. . .
{
the frame comprising an articulated beam
}
A01B 3/468
. .
{
the plough wheels being actively driven
}
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A01B 3/50
.
Self-propelled ploughs
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A01B 3/52
. .
with three or more wheels, or endless tracks
A01B 3/54
. . .
without alternating possibility
A01B 3/56
. . .
Alternating ploughs;
{
Balance ploughs
}
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A01B 3/58
. .
with two wheels
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A01B 3/60
. . .
Alternating ploughs
A01B 3/62
. . . .
Balance ploughs
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A01B 3/64
.
Cable ploughs ; Indicating or signalling devices for cable plough systems
{
( vehicles towed by cable B60D )
}
A01B 3/66
. .
with motor-driven winding apparatus mounted on the plough
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A01B 3/68
. .
Cable systems with one or two engines;
{
e.g. electrically-driven or with diesel generating set
}
A01B 3/70
. . .
Systems with one engine for working uphill
A01B 3/72
. .
Means for anchoring the cables
A01B 3/74
.
Use of electric power for propelling ploughs
{
for rotary cultivators or the like ( electric current collectors B60L 5/00 )
}
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A01B 5/00
Ploughs with rolling non-driven tools, e.g. discs ( with rotary driven tools A01B 9/00 )
A01B 5/02
.
drawn by animals
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A01B 5/04
.
drawn by tractors
A01B 5/06
. .
without alternating possibility,
{
e.g. with rotary counters provided with scrapers
}
A01B 5/08
. .
Alternating ploughs
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A01B 5/10
.
mounted or partly-mounted on tractors
A01B 5/12
. .
without alternating possibility
A01B 5/14
. .
Alternating ploughs
A01B 5/16
.
Self-propelled disc or like ploughs
A01B 7/00
Disc-like soil-working implements usable either as ploughs or as harrows, or the like
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A01B 9/00
Ploughs with rotary driven tools ( tilling implements with rotary driven tools A01B 33/00 )
A01B 9/003
.
{
with tools on horizontal shaft transverse to direction of travel
}
A01B 9/006
.
{
with tools on horizontal shaft parallel to direction of travel
}
A01B 11/00
Ploughs with oscillating, digging or piercing tools
{
driven or not
}
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A01B 13/00
Ploughs or like machines for special purposes ( for drainage E02B 11/02 ) ;
{
Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation ( machines for aerating meadows A01B 45/02 ; making furrows A01C 5/00 ; dredging machines in general E02F )
}
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A01B 13/02
.
for making or working ridges, e.g. with symmetrically arranged mouldboards,
{
e.g. ridging plough
}
A01B 13/025
. .
{
with passively driven rotating disc-like elements for forming the ridge
}
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A01B 13/04
.
for working in vineyards, orchards, or the like
A01B 13/06
. .
Arrangements for preventing damage to the vines, or the like,
{
e.g. hydraulic ( machines specially adapted for working in vineyards A01B 39/16 )
}
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A01B 13/08
.
for working subsoil
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A01B 13/10
. .
Special implements for lifting subsoil layers
A01B 13/12
. . .
Means for distributing the layers on the surface
A01B 13/14
.
for working soil in two or more layers
A01B 13/16
.
Machines for combating erosion, e.g. basin-diggers, furrow-dammers
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A01B 15/00
Elements, tools, or details of ploughs
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A01B 15/02
.
Plough blades ; Fixing the blades
A01B 15/025
. .
{
specially adapted for working subsoil
}
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A01B 15/04
. .
Shares
{
( making ploughshares by rolling B21H )
}
A01B 15/06
. . .
Interchangeable or adjustable shares
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A01B 15/08
. .
Mouldboards
A01B 15/10
. . .
Interchangeable or adjustable mouldboards
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A01B 15/12
.
Beams ; Handles ( handles for tools or their attachment in general B25G )
A01B 15/125
. .
{
Articulated beams
}
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A01B 15/14
.
Frames ( means or arrangements to facilitate transportation A01B 73/00 )
A01B 15/145
. .
{
the plough blades being connected to the plough beam for unisono adjustment of the furrow width
}
A01B 15/16
.
Discs ( bearings therefor A01B 71/04 ) ; Scrapers for cleaning discs ; Sharpening attachments ( sharpening in general B24 )
A01B 15/18
.
Coulters
A01B 15/20
.
Special adjusting means for tools of ploughs drawn by, or mounted on tractors working on hillsides or slopes
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A01B 17/00
Ploughs with special additional arrangements, e.g. means for putting manure under the soil, clod-crushers ( A01B 49/00 takes precedence ) ;
{
Means for breaking the subsoil
}
A01B 17/002
.
{
Means for putting manure, debris, straw or the like under the soil ( to plough-in weeds A01B 39/18 )
}
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A01B 17/004
.
{
Clod-crushers
}
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A01B 17/006
. .
{
with driven tools
}
A01B 17/008
. . .
{
rotating about a vertical or steeply inclined axis
}
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Guide Heading:
Harrows
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A01B 19/00
Harrows with non-rotating tools
{
( harrows for working in vineyards A01B 39/16 )
}
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A01B 19/02
.
with tools rigidly or elastically attached to a tool-frame
A01B 19/04
. .
with two or more tool-frames
A01B 19/06
. .
with tools or tool-frames moved to-and-fro mechanically
A01B 19/08
.
with link network supporting tooth-like tools
A01B 19/10
.
Lifting or cleaning apparatus
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A01B 21/00
Harrows with rotary non-driven tools ( tilling implements with rotary driven tools A01B 33/00 )
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A01B 21/02
.
with tooth-like tools
A01B 21/04
. .
on horizontally-arranged axles
A01B 21/06
. .
on vertically-arranged axles
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A01B 21/08
.
with disc-like tools
A01B 21/083
. .
{
of the type comprising four individual disk groups each pivotally connected at fixed locations to a substantially rigid frame
}
A01B 21/086
. .
{
of the type in which the disc-like tools are individually mounted
}
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A01B 23/00
Elements, tools, or details of harrows
A01B 23/02
.
Teeth ; Fixing the teeth
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A01B 23/04
.
Frames ( means or arrangements to facilitate transportation A01B 73/00 ) ; Drawing-arrangements
A01B 23/043
. .
{
specially adapted for harrows with non-rotating tools
}
A01B 23/046
. .
{
Specially adapted for harrows with rotating tools
}
A01B 23/06
.
Discs ( A01B 15/16 takes precedence; bearings therefor A01B 71/04 ) ; Scrapers for cleaning discs ; Sharpening attachments;
{
Lubrication of bearings
}
 ( sharpening in general B24 )
A01B 25/00
Harrows with special additional arrangements, e.g. means for distributing fertilisers ; Harrows for special purposes ( A01B 39/00 takes precedence;
{
fertiliser distributors A01C 15/00
}
 )
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Guide Heading:
Other machines for working soil
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A01B 27/00
Clod-crushers
A01B 27/005
.
{
comprising roller-type tools moving on the ground
}
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A01B 29/00
Rollers
{
( rollers for roads E01C )
}
A01B 29/02
.
with smooth surface
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A01B 29/04
.
with non-smooth surface formed of rotatably-mounted rings or discs or with projections or ribs on the roller body ; Land packers
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A01B 29/041
. .
{
of "Cambridge"-type, i.e. the soil-pressing rings being stacked on a shaft
}
A01B 29/043
. . .
{
Tire-packers
}
A01B 29/045
. .
{
the soil-pressing body being a drum
}
A01B 29/046
. .
{
the soil-pressing body being a helical coil
}
A01B 29/048
. .
{
Bar cage rollers
}
A01B 29/06
.
with special additional arrangements
A01B 31/00
Drags
{
graders for field cultivators ( graders in general E02F )
}
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A01B 33/00
Tilling implements with rotary driven tools,
{
e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
}
Collapse
A01B 33/02
.
with tools on horizontal shaft transverse to direction of travel
Collapse
A01B 33/021
. .
{
with rigid tools
}
A01B 33/022
. . .
{
with helicoidal tools
}
A01B 33/024
. . .
{
with disk-like tools
}
A01B 33/025
. .
{
with spring tools, i.e. resiliently- or flexibly-attached rigid tools
}
A01B 33/027
. .
{
Operator supported tools, e.g. using a harness for supporting the tool or power unit
}
A01B 33/028
. .
{
of the walk-behind type ( walk-type tractors B62D 51/04 )
}
A01B 33/04
.
with tools on horizontal shaft parallel to direction of travel
Collapse
A01B 33/06
.
with tools on vertical or steeply-inclined shaft
A01B 33/065
. .
{
comprising a plurality of rotors carried by an elongate, substantially closed transmission casing, transversely connectable to a tractor
}
Collapse
A01B 33/08
.
Tools ; Details, e.g. adaptations of transmissions or gearings
Collapse
A01B 33/082
. .
{
Transmissions; Gearings; Power distribution
}
A01B 33/085
. . .
{
specially adapted for tools on a vertical shaft
}
A01B 33/087
. .
{
Lifting devices; Depth regulation devices; Mountings
}
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A01B 33/10
. .
Structural or functional features of the tools;
{
Theoretical aspects of the cutting action
}
A01B 33/103
. . .
{
the rotating shaft being oriented horizontally
}
A01B 33/106
. . .
{
the rotating shaft being oriented vertically or steeply inclined
}
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A01B 33/12
. .
Arrangement of the tools ; Screening of the tools
A01B 33/125
. . .
{
screening of tools rotating about a vertical shaft
}
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A01B 33/14
. .
Attaching the tools to the rotating shaft, e.g. resiliently
{
or flexibly
}
 -attached tools
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A01B 33/142
. . .
{
the rotating shaft being oriented horizontally
}
A01B 33/144
. . . .
{
with spring tools or resiliently-attached rigid tools
}
Collapse
A01B 33/146
. . .
{
the rotating shaft being oriented vertically or steeply inclined
}
A01B 33/148
. . . .
{
with spring tools or resiliently-attached rigid tools
}
A01B 33/16
.
with special additional arrangements ( A01B 49/00 takes precedence; for sowing or fertilising A01B 49/06 )
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A01B 35/00
Other machines for working soil
{
not specially adapted for working soil on which crops are growing
}
 ( A01B 37/00 , A01B 39/00 , A01B 77/00 take precedence;
{
hand tools A01B 1/00
}
 )
Collapse
A01B 35/02
.
with non-rotating tools
Collapse
A01B 35/04
. .
drawn by animal or tractor
{
or man-power
}
A01B 35/06
. . .
with spring tools
{
or with resiliently- or flexibly-attached rigid tools
}
A01B 35/08
. . .
with rigid tools
Collapse
A01B 35/10
. .
mounted on tractors
A01B 35/12
. . .
with spring tools
{
or with resiliently-or flexibly-attached rigid tools
}
A01B 35/14
. . .
with rigid tools
A01B 35/16
.
with rotating or circulating non-propelled tools
A01B 35/18
.
with both rotating and non-rotating tools
Collapse
A01B 35/20
.
Tools ; Details
Collapse
A01B 35/22
. .
non-rotating tools;
{
Resilient or flexible mounting of rigid tools
}
A01B 35/225
. . .
{
the tools being adapted to allow the chisel point to be easily fitted or removed from the shank
}
A01B 35/24
. . .
Spring tools
A01B 35/26
. . .
Rigid tools
A01B 35/28
. .
Rotating tools ; Mounting rotating tools
A01B 35/30
. .
Undercarriages ( A01B 23/04 takes precedence )
A01B 35/32
.
with special additional arrangements
A01B 37/00
Devices for loosening soil compacted by wheels or the like
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A01B 39/00
Other machines specially adapted for working soil on which crops are growing
Collapse
A01B 39/02
.
with non-rotating tools
A01B 39/04
. .
drawn by animal or tractor
A01B 39/06
. .
Self-propelled machines
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A01B 39/08
.
with rotating tools
{
such as weeding machines
}
A01B 39/085
. .
{
the rotating tools being actively driven
}
A01B 39/10
.
with oscillating tools
{
driven or not
}
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A01B 39/12
.
for special purposes,
{
e.g. for special culture
}
A01B 39/14
. .
for working ridges,
{
e.g. for rows of plants and/or furrows
}
Collapse
A01B 39/16
. .
for working in vineyards, orchards, or the like;
{
Arrangements for preventing damage to vines ( ploughs adapted for working in vineyards A01B 13/06 )
}
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A01B 39/163
. . .
{
comprising rotating tools
}
A01B 39/166
. . . .
{
actively driven
}
Collapse
A01B 39/18
. .
for weeding
A01B 39/19
. . .
Rod weeders, i.e. weeder with rotary rods propelled beneath the soil surface
Collapse
A01B 39/20
.
Tools ; Details
A01B 39/22
. .
Tools ; Mounting tools
A01B 39/24
. .
Undercarriages ( A01B 23/04 takes precedence )
A01B 39/26
. .
Arrangements for protecting plants,
{
e.g. fenders
}
A01B 39/28
.
with special additional arrangements ( A01B 49/00 takes precedence )
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A01B 41/00
Thinning machines
A01B 41/02
.
with oscillating tools
A01B 41/04
.
with rotating tools
A01B 41/06
.
with electric, e.g. photo-electric control of thinning operations
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A01B 43/00
Gatherers for removing stones, undesirable roots of the like from the soil, e.g. tractor-drawn rakes
{
for harvesting root crops A01D
}
A01B 43/005
.
{
Windrower-type machines
}
Collapse
A01B 45/00
Machines for treating meadows or lawns,
{
e.g. for sports grounds
}
Collapse
A01B 45/02
.
for aerating
A01B 45/023
. .
{
Perforators comprising spiking tools actively driven in a reciprocating movement through a crankshaft or eccentric mechanism
}
A01B 45/026
. .
{
Scarifiers comprising a knife reel actively driven around a substantially horizontal shaft
}
Collapse
A01B 45/04
.
for cutting sods or turves
{
machines for lifting and treating soil A01B 77/00
}
A01B 45/045
. .
{
the machine being adapted for stacking sods or sod rolls
}
A01B 47/00
Soil-working with electric potential applied between tools and soil
Collapse
A01B 49/00
Combined machines ( auxiliary devices attached to machines of a different kind, e.g. harrows attached to ploughs, see the relevant groups for the machines )
Collapse
A01B 49/02
.
with two or more soil-working tools of different kind
Collapse
A01B 49/022
. .
{
at least one tool being actively driven
}
A01B 49/025
. . .
{
about a substantially vertical axis
}
A01B 49/027
. .
{
with a rotating, soil working support element, e.g. a roller
}
Collapse
A01B 49/04
.
Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
{
seeding machines A01C 7/00 ; harvesters combined with soil-working implements A01D 43/12
}
Collapse
A01B 49/06
. .
for sowing or fertilising
A01B 49/065
. . .
{
the soil-working tools being actively driven
}
Collapse
Guide Heading:
Parts, details or accessories of agricultural machines or implements, in general ( seat constructions A47C ; wheels B60B ; shelters for drivers B60J ; seats specially adapted for vehicles B60N 2/00 ; wheel scrapers B60S 1/68 )
Collapse
A01B 51/00
Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus ( general vehicle aspects, see the relevant subclass of class B60 or B62 )
Collapse
A01B 51/02
.
propelled by a motor
A01B 51/023
. .
{
of the Gantry-type
}
A01B 51/026
. .
{
of the automotive vehicle type, e.g. including driver accomodation ( A01B 51/023 takes precedence )
}
Collapse
A01B 51/04
.
drawn by animal or tractor
A01B 51/045
. .
{
drawn by animals
}
Collapse
A01B 59/00
Devices specially adapted for connection between animals or tractors and agricultural machines or implements ( A01B 63/00 takes precedence; vehicle connections in general B60D; draught assemblies for animal drawn vehicles, in general B62C 5/00 )
Collapse
A01B 59/002
.
{
Details, component parts
}
A01B 59/004
. .
{
Length-adjustable links
}
A01B 59/006
. .
{
Latched hooks
}
A01B 59/008
. .
{
Link connectors with spherical surfaces
}
A01B 59/02
.
for animal-drawn machines
Collapse
A01B 59/04
.
for machines pulled or pushed by a tractor
Collapse
A01B 59/041
. .
preventing or limiting side-play of implements ( preventing overstrain A01B 61/00 )
A01B 59/0415
. . .
{
by hydraulic or pneumatic means acting on the lower draft links
}
Collapse
A01B 59/042
. .
having pulling means arranged on the rear part of the tractor
A01B 59/043
. . .
supported at three points, e.g. by quick-release couplings ( A01B 59/06 takes precedence )
A01B 59/044
. .
having pulling means arranged on the middle part of the tractor
A01B 59/046
. .
having pulling or pushing means arranged on the side of the tractor
A01B 59/048
. .
having pulling or pushing means arranged on the front part of the tractor
Collapse
A01B 59/06
.
for machines mounted on tractors
Collapse
A01B 59/061
. .
{
specially adapted for enabling connection or disconnection controlled from the driver`s seat ( not used, see subgroups )
}
A01B 59/062
. . .
{
the connection comprising a rigid interface frame on the tractor
}
A01B 59/063
. . .
{
the connection comprising longitudinally oriented tang-and-sheath elements
}
A01B 59/064
. .
{
for connection to the front of the tractor
}
A01B 59/065
. .
{
for ploughs or like implements ( A01B 59/061 and subgroups take precedence )
}
Collapse
A01B 59/066
. .
{
of the type comprising at least two lower arms and one upper arm generally arranged in a triangle ( e.g. three-point hitches )
}
A01B 59/067
. . .
{
the lower arms being lifted or lowered by power actuator means internally incorporated in the tractor
}
A01B 59/068
. . .
{
the lower arms being lifted or lowered by power actuator means provided externally on the tractor
}
A01B 59/069
. .
{
with means for weighing the implement
}
Collapse
A01B 61/00
Devices for, or parts of, agricultural machines or implements for preventing overstrain ( preventing overstrain in vehicle connections, in general B60D; preventing overstrain in couplings per se F16D )
Collapse
A01B 61/02
.
of the coupling devices between tractor and machine
A01B 61/025
. .
{
the driving connections
}
Collapse
A01B 61/04
.
of the connection between tools and carrier beam or frame
A01B 61/042
. .
{
with shearing devices
}
Collapse
A01B 61/044
. .
{
the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis
}
Collapse
A01B 61/046
. . .
{
the device including an energy accumulator for restoring the tool to its working position
}
A01B 61/048
. . . .
{
the connection or the energy accumulator being active in two opposite directions, e.g. for reversible plows
}
Collapse
A01B 63/00
Lifting or adjusting devices or arrangements for agricultural machines or implements ( lifting mechanisms for the cutter-bar of a mower A01D 34/24 ; adjusting devices for the cutter-bar of a mower A01D 34/28 ; constructional features of lifting devices per se B66F )
Collapse
A01B 63/002
.
{
Devices for adjusting or regulating the position of tools or wheels ( preventing overstrain A01B 61/00 ; regulating working depth of implements mounted on tractors A01B3/111 ; wheels adjustable relatively to the frame for drawn implements A01B 3/16 ; tools or tool holders adjustable relatively to the frame for drawn implements A01B 63/24 )
}
WARNING
-
Documents of group A01B 63/002 and subgroups are in the process of being reorganised to groups A01B 63/111 , A01B 63/16 , A01B 63/24

A01B 63/004
. .
{
Lateral adjustment of tools
}
A01B 63/006
. .
{
Lateraladjustment of wheels
}
A01B 63/008
. .
{
Vertical adjustment of tools ( A01B 63/10 takes precedence )
}
Collapse
A01B 63/02
.
for implements mounted on tractors
A01B 63/023
. .
{
Lateral adjustment of their tools
}
A01B 63/026
. .
{
Lateral adjustment of their wheels
}
Collapse
A01B 63/04
. .
Hand devices ; Hand devices with mechanical accumulators, e.g. springs
A01B 63/045
. . .
{
for vertically adjusting wheels or similar rotary supporting elements
}
A01B 63/06
. .
operated mechanically by tractor motor
A01B 63/08
. .
operated by the movement of the tractor
Collapse
A01B 63/10
. .
operated by hydraulic or pneumatic means
Collapse
A01B 63/1006
. . .
{
the hydraulic or pneumatic means structurally belonging to the tractor
}
A01B 63/1013
. . . .
{
and being located inside the tractor body
}
Collapse
A01B 63/102
. . .
characterised by the location of the mounting on the tractor, e.g. on the rear part
A01B 63/104
. . . .
on the middle part, i.e. between front and rear wheels
A01B 63/106
. . . .
on the side
A01B 63/108
. . . .
on the front part
A01B 63/11
. . .
for controlling weight transfer between implements and tractor wheels
Collapse
A01B 63/111
. . .
regulating working depth of implements
A01B 63/1112
. . . .
{
using a non-tactile ground distance measurement, e.g. using reflection of waves
}
A01B 63/1115
. . . .
{
using a mechanical ground contact sensor
}
A01B 63/1117
. . . .
{
using a hitch position sensor
}
A01B 63/112
. . . .
to control draught load, i.e. tractive force
Collapse
A01B 63/114
. . . .
to achieve a constant working depth
A01B 63/1145
. . . . .
{
for controlling weight transfer between implements and tractor wheels
}
A01B 63/118
. . .
Mounting implements on power-lift linkages ( A01B 59/043 takes precedence; preventing or limiting side-play of implements A01B 59/041 ; preventing overstrain A01B 61/00 )
A01B 63/12
. .
operated by an electric motor
Collapse
A01B 63/14
.
for implements drawn by animals or tractors
A01B 63/145
. .
{
for controlling weight transfer between implements and tractor wheels
}
Collapse
A01B 63/16
. .
with wheels adjustable relatively to the frame
A01B 63/163
. . .
{
laterally adjustable
}
A01B 63/166
. . .
{
manually adjustable
}
A01B 63/18
. . .
with clutch between Z-type axle and wheel
A01B 63/20
. . .
with gear and rack
A01B 63/22
. . .
operated by hydraulic or pneumatic means
Collapse
A01B 63/24
. .
Tools or tool-holders adjustable relatively to the frame
A01B 63/245
. . .
{
laterally adjustable
}
A01B 63/26
. . .
by man-power
A01B 63/28
. . .
operated by the machine or implement
A01B 63/30
. . .
operated by motor power through a mechanical transmission
A01B 63/32
. . .
operated by hydraulic or pneumatic means
{
without automatic control
}
A01B 67/00
Devices for controlling the tractor motor by resistance of tools ( preventing overstrain A01B 61/00 )
Collapse
A01B 69/00
Steering of agricultural machines or implements ; Guiding agricultural machines or implements on a desired track ( vehicle course control in general G05D 1/02 )
NOTE
-
In this group it is obligatory to classify subject-matter in the first appropriate place. It is however allowed to apply multiple classification where considered useful for search

A01B 69/001
.
{
Steering by means of optical assistance, e.g. television cameras ( steering devices for road marking vehicles E01C 23/163 )
}
A01B 69/002
.
{
Steering or guiding on a substantially circular or spiral path
}
Collapse
A01B 69/003
.
{
Steering or guiding of machines or implements pushed or pulled by or mounted on agricultural vehicles such as tractors, e.g. by lateral shifting of the towing connection
}
A01B 69/004
. .
{
automatic
}
A01B 69/005
. .
{
by an additional operator
}
A01B 69/006
. .
{
derived from the steering of the tractor
}
Collapse
A01B 69/007
.
{
Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow
}
A01B 69/008
. .
{
automatic
}
Collapse
A01B 69/02
.
Ridge-marking or like devices ; Checkrow wires ; Accessories therefor
A01B 69/022
. .
{
Ridge marking by deposition of a chemical substance, e.g. foam, on the surface of the soil
}
A01B 69/024
. .
{
adapted to cut and form a ridge or forrow in the soil surface, e.g. with a disc
}
Collapse
A01B 69/026
. .
{
Checkrow wires
}
A01B 69/028
. . .
{
the wire being located above the ground
}
Collapse
A01B 71/00
Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off ; Means for protecting parts against dust, or the like ; Adapting machine elements to or for agricultural purposes
{
( adjusting mechanisms in general G05G )
}
A01B 71/02
.
Setting or adjusting mechanisms
A01B 71/04
.
Bearings of rotating parts, e.g. for soil-working discs (
{
discs A01B 15/16 , A01B 23/06
}
 ; bearings in general F16C )
Collapse
A01B 71/06
.
Special adaptations of coupling means between power take-off and transmission shaft to the implement or machine ( couplings for transmitting rotation F16D )
A01B 71/063
. .
{
for enabling transmission coupling and connection between tractor and implements to be controlled from the driver`s seat
}
A01B 71/066
. .
{
for enabling pitch, roll or yaw movements of trailed implements or machines
}
A01B 71/08
.
Means for protecting against dust, or the like, or for cleaning agricultural implements ( A01B 15/16 , A01B 19/10 and A01B 23/06 take precedence; screening of rotary driven tilling tools A01B 33/12 ; screening of rotary parts in general F16P 1/00 )
Collapse
A01B 73/00
Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width ( arrangements of lifting devices for soil working implements A01B 63/00 ;
{
carriers for harvesters or mowers A01D 75/002 ; arrangements or carriers for haymakers A01D 78/1007 , A01D 80/005 ;
}
 vehicles adapted for load transportation or to transport, to carry or to comprise special loads or objects B60P ; motor vehicles, trailers B62D )
A01B 73/005
.
{
for endwise transportation, i.e. the direction of transport being substantially perpendicular to the direction of agricultural operation ( A01B 73/02 takes precedence )
}
Collapse
A01B 73/02
.
Folding frames
Collapse
A01B 73/04
. .
foldable about a horizontal axis
A01B 73/042
. . .
{
specially adapted for actively driven implements
}
Collapse
A01B 73/044
. . .
{
the axis being oriented in a longitudinal direction A01B 73/042 takes precedence
}
A01B 73/046
. . . .
{
each folding frame part being foldable in itself
}
A01B 73/048
. . .
{
the axis being oriended in transverse direction A01B 73/042 takes precedence
}
Collapse
A01B 73/06
. .
foldable about a vertical axis
A01B 73/062
. . .
{
of the type comprising four vertical folding axes each disposed at a substantially fixed location of a supporting frame
}
A01B 73/065
. . .
{
to a position essentially forward of the axis, in relation to the direction of travel
}
A01B 73/067
. . .
{
to a position essentially rearward of the axis, in relation to the direction of travel
}
A01B 75/00
Carriers for supporting persons when working in the field, e.g. while thinning beet
A01B 76/00
Parts, details or accessories of agricultural machines or implements, not provided for in groups A01B 51/00 to A01B 75/00
A01B 77/00
Machines for lifting and treating soil ( biocides, pest repellants or attractants, plant growth regulators A01N 25/00 to A01N 65/00 ; fertilisers C05 ; soil-conditioning or soil-stabilising materials C09K 17/00 )
Collapse
A01B 79/00
Methods for working soil ( essentially requiring the use of particular machines, see the relevant groups for the machines )
A01B 79/005
.
{
Precision agriculture
}
A01B 79/02
.
combined with other agricultural processing, e.g. fertilising, planting
This page is owned by Office of Patent Classification.
Last Modified: 04/16/2013 4:31:16 PM