WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

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})

A01B 1/00 Hand tools (edge trimmers for lawns A01G 3/06; {machines for working soil A01B 35/00; making hand tools B21D})

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

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

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

A01B 1/22 ・Attaching the blades or the like to handles (handles for tools, or their attachment, in general B25G); Interchangeable or adjustable blades

A01B 1/222 ・・{Adjustable blades}

A01B 1/225 ・・・{around a substantially horizontal axis}

A01B 1/227 ・・{Interchangable blades}

A01B 1/24 ・for treating meadows or lawns

A01B 1/243 ・・{for aerating}

A01B 1/246 ・・{for cutting sods or turves}

A01B 3/00 Ploughs with fixed plough-shares

A01B 3/02 ・Man-driven ploughs

A01B 3/04 ・Animal-drawn ploughs

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

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

A01B 3/24 ・Tractor-drawn ploughs (A01B 3/04 takes precedence)

A01B 3/26 ・・without alternating possibility

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

A01B 3/36 ・Ploughs mounted on tractors

A01B 3/38 ・・without alternating possibility

A01B 3/40 ・・Alternating ploughs

A01B 3/42 ・・・Turn-wrest ploughs

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

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}

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}

A01B 3/50 ・Self-propelled ploughs

A01B 3/52 ・・with three or more wheels, or endless tracks

A01B 3/54 ・・・without alternating possibility

A01B 3/56 ・・・Alternating ploughs; {Balance ploughs}

A01B 3/58 ・・with two wheels

A01B 3/60 ・・・Alternating ploughs

A01B 3/62 ・・・・Balance ploughs

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

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)}

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

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

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

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}

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)}

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}

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)}

A01B 13/08 ・for working subsoil

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

A01B 15/00 Elements, tools, or details of ploughs

A01B 15/02 ・Plough blades; Fixing the blades

A01B 15/025 ・・{specially adapted for working subsoil}

A01B 15/04 ・・Shares {(making ploughshares by rolling B21H)}

A01B 15/06 ・・・Interchangeable or adjustable shares

A01B 15/08 ・・Mouldboards

A01B 15/10 ・・・Interchangeable or adjustable mouldboards

A01B 15/12 ・Beams; Handles (handles for tools or their attachment in general B25G)

A01B 15/125 ・・{Articulated beams}

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

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)}

A01B 17/004 ・{Clod-crushers}

A01B 17/006 ・・{with driven tools}

A01B 17/008 ・・・{rotating about a vertical or steeply inclined axis}

A01B 19/00 Harrows with non-rotating tools {(harrows for working in vineyards A01B 39/16)}

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

A01B 21/00 Harrows with rotary non-driven tools (tilling implements with rotary driven tools A01B 33/00)

A01B 21/02 ・with tooth-like tools

A01B 21/04 ・・on horizontally-arranged axles

A01B 21/06 ・・on vertically-arranged axles

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}

A01B 23/00 Elements, tools, or details of harrows

A01B 23/02 ・Teeth; Fixing the teeth

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 ・・[N. 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})

A01B 27/00 Clod-crushers

A01B 27/005 ・{comprising roller-type tools moving on the ground}

A01B 29/00 Rollers {(rollers for roads E01C)}

A01B 29/02 ・with smooth surface

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

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)}

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}

A01B 33/02 ・with tools on horizontal shaft transverse to direction of travel

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

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}

A01B 33/08 ・Tools; Details, e.g. adaptations of transmissions or gearings

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}

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}

A01B 33/12 ・・Arrangement of the tools; Screening of the tools

A01B 33/125 ・・・{screening of tools rotating about a vertical shaft}

A01B 33/14 ・・Attaching the tools to the rotating shaft, e.g. resiliently {or flexibly} -attached tools

A01B 33/142 ・・・{the rotating shaft being oriented horizontally}

A01B 33/144 ・・・・{with spring tools or resiliently-attached rigid tools}

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)

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})

A01B 35/02 ・with non-rotating tools

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

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

A01B 35/20 ・Tools; Details

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

A01B 39/00 Other machines specially adapted for working soil on which crops are growing

A01B 39/02 ・with non-rotating tools

A01B 39/04 ・・drawn by animal or tractor

A01B 39/06 ・・Self-propelled machines

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}

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}

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)}

A01B 39/163 ・・・{comprising rotating tools}

A01B 39/166 ・・・・{actively driven}

A01B 39/18 ・・for weeding

A01B 39/19 ・・・Rod weeders, i.e. weeder with rotary rods propelled beneath the soil surface

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)

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

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}

A01B 45/00 Machines for treating meadows or lawns, {e.g. for sports grounds}

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}

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

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)

A01B 49/02 ・with two or more soil-working tools of different kind

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}

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}

A01B 49/06 ・・for sowing or fertilising

A01B 49/065 ・・・{the soil-working tools being actively driven}

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)

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)}

A01B 51/04 ・drawn by animal or tractor

A01B 51/045 ・・{drawn by animals}

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)

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

A01B 59/04 ・for machines pulled or pushed by a tractor

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}

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

A01B 59/06 ・for machines mounted on tractors

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)}

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}

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)

A01B 61/02 ・of the coupling devices between tractor and machine

A01B 61/025 ・・{the driving connections}

A01B 61/04 ・of the connection between tools and carrier beam or frame

A01B 61/042 ・・{with shearing devices}

A01B 61/044 ・・{the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis}

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}

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)

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 A01B 3/111; 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)}

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)}

A01B 63/02 ・for implements mounted on tractors

A01B 63/023 ・・{Lateral adjustment of their tools}

A01B 63/026 ・・{Lateral adjustment of their wheels}

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

A01B 63/10 ・・operated by hydraulic or pneumatic means

A01B 63/1006 ・・・{the hydraulic or pneumatic means structurally belonging to the tractor}

A01B 63/1013 ・・・・{and being located inside the tractor body}

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

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

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

A01B 63/14 ・for implements drawn by animals or tractors

A01B 63/145 ・・{for controlling weight transfer between implements and tractor wheels}

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

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)

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)

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}

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}

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}

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}

A01B 69/026 ・・{Checkrow wires}

A01B 69/028 ・・・{the wire being located above the ground}

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)

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)

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)}

A01B 73/02 ・Folding frames

A01B 73/04 ・・foldable about a horizontal axis

A01B 73/042 ・・・{specially adapted for actively driven implements}

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}

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)

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