|  | A |
SECTION A — HUMAN NECESSITIES

AGRICULTURE

|  | A01 |
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING

|  | 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 Fulltext... Hierarchy... Expanded...A01C 5/00; soil working for engineering purposes Fulltext... Hierarchy... Expanded...E01, Fulltext... Hierarchy... Expanded...E02, Fulltext... Hierarchy... Expanded...E21)

|  | A01B |
Subclass index
HAND TOOLS | 1/00
PLOUGHS |
General construction | 3/00, 5/00, 9/00, 11/00
Special adaptations | 13/00, 17/00
Details | 15/00
HARROWS |
General construction | 19/00, 21/00
Special applications | 25/00
Details | 23/00
IMPLEMENTS USABLE EITHER AS PLOUGHS OR AS HARROWS OR THE LIKE | 7/00
OTHER MACHINES | 27/00 - 45/00, 49/00, 77/00
ELEMENTS OR PARTS OF MACHINES OR IMPLEMENTS | 59/00 - 71/00
TRANSPORT IN AGRICULTURE | 51/00, 73/00, 75/00
PARTICULAR METHODS FOR WORKING SOIL | 47/00, 79/00

|  | A01B 1/00 |
Hand tools (edge trimmers for lawns Fulltext... Hierarchy... Expanded...A01G 3/06)

|  | A01B 1/02 |
· | Spades; Shovels

|  | A01B 1/04 |
· · | with teeth

|  | A01B 1/06 |
· | Hoes; Hand cultivators

|  | 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 1/18 |
· · | 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 Fulltext... Hierarchy... Expanded...B25G); Interchangeable or adjustable blades

|  | A01B 1/24 |
· | for treating meadows or lawns [2]

|  | A01B 3/00 - A01B 17/00 |
Ploughs

|  | 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

|  | 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 (Fulltext... Hierarchy... Expanded...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 [2]

|  | A01B 3/426 |
· · · · | with a headstock frame made of two or more parts [2]

|  | A01B 3/44 |
· · · | with parallel plough units used alternately

|  | A01B 3/46 |
· | Ploughs supported partly by tractor and partly by their own wheels

|  | A01B 3/50 |
· | 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

|  | 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

|  | A01B 3/66 |
· · | with motor-driven winding apparatus mounted on the plough

|  | A01B 3/68 |
· · | Cable systems with one or two engines

|  | 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 (electric current collectors Fulltext... Hierarchy... Expanded...B60L 5/00)

|  | A01B 5/00 |
Ploughs with rolling non-driven tools, e.g. discs (with rotary driven tools Fulltext... Hierarchy... Expanded...A01B 9/00)

|  | A01B 5/02 |
· | drawn by animals

|  | A01B 5/04 |
· | drawn by tractors

|  | A01B 5/06 |
· · | without alternating possibility

|  | 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 Fulltext... Hierarchy... Expanded...A01B 33/00)

|  | A01B 11/00 |
Ploughs with oscillating, digging or piercing tools

|  | A01B 13/00 |
Ploughs or like machines for special purposes (for drainage Fulltext... Hierarchy... Expanded...E02B 11/02)

|  | A01B 13/02 |
· | for making or working ridges, e.g. with symmetrically arranged mouldboards

|  | A01B 13/04 |
· | for working in vineyards, orchards, or the like

|  | A01B 13/06 |
· · | Arrangements for preventing damage to the vines, or the like

|  | 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 15/04 |
· · | Shares

|  | 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 Fulltext... Hierarchy... Expanded...B25G)

|  | A01B 15/14 |
· | Frames (means or arrangements to facilitate transportation Fulltext... Hierarchy... Expanded...A01B 73/00) [4]

|  | A01B 15/16 |
· | Discs (bearings therefor Fulltext... Hierarchy... Expanded...A01B 71/04); Scrapers for cleaning discs; Sharpening attachments (sharpening in general Fulltext... Hierarchy... Expanded...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 (Fulltext... Hierarchy... Expanded...A01B 49/00 takes precendence; ploughs for working subsoil Fulltext... Hierarchy... Expanded...A01B 13/08) [2]

|  | A01B 19/00 - A01B 25/00 |
Harrows

|  | A01B 19/00 |
Harrows with non-rotating tools

|  | 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 Fulltext... Hierarchy... Expanded...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 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 Fulltext... Hierarchy... Expanded...A01B 73/00); Drawing-arrangements [4]

|  | A01B 23/06 |
· | Discs (Fulltext... Hierarchy... Expanded...A01B 15/16 takes precedence; bearings therefor Fulltext... Hierarchy... Expanded...A01B 71/04); Scrapers for cleaning discs; Sharpening attachments (sharpening in general Fulltext... Hierarchy... Expanded...B24) [2]

|  | A01B 25/00 |
Harrows with special additional arrangements, e.g. means for distributing fertilisers; Harrows for special purposes (Fulltext... Hierarchy... Expanded...A01B 39/00 takes precedence)

|  | A01B 27/00 - A01B 49/00 |
Other machines for working soil

|  | A01B 27/00 |
Clod-crushers

|  | A01B 29/00 |
Rollers

|  | 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 29/06 |
· | with special additional arrangements

|  | A01B 31/00 |
Drags

|  | A01B 33/00 |
Tilling implements with rotary driven tools

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

|  | 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 33/08 |
· | Tools; Details, e.g. adaptations of transmissions or gearings

|  | A01B 33/10 |
· · | Structural or functional features of the tools

|  | A01B 33/12 |
· · | Arrangement of the tools; Screening of the tools

|  | A01B 33/14 |
· · | Attaching the tools to the rotating shaft, e.g. resiliently-attached tools

|  | A01B 33/16 |
· | with special additional arrangements (Fulltext... Hierarchy... Expanded...A01B 49/00 takes precedence; for sowing or fertilising Fulltext... Hierarchy... Expanded...A01B 49/06) [2]

|  | A01B 35/00 |
Other machines for working soil (Fulltext... Hierarchy... Expanded...A01B 37/00, Fulltext... Hierarchy... Expanded...A01B 39/00, Fulltext... Hierarchy... Expanded...A01B 77/00 take precedence)

|  | A01B 35/02 |
· | with non-rotating tools

|  | A01B 35/04 |
· · | drawn by animal or tractor

|  | A01B 35/06 |
· · · | with spring tools

|  | A01B 35/08 |
· · · | with rigid tools

|  | A01B 35/10 |
· · | mounted on tractors

|  | A01B 35/12 |
· · · | with spring 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; Mounting non-rotating tools

|  | A01B 35/24 |
· · · | Spring tools

|  | A01B 35/26 |
· · · | Rigid tools

|  | A01B 35/28 |
· · | Rotating tools; Mounting rotating tools

|  | A01B 35/30 |
· · | Undercarriages (Fulltext... Hierarchy... Expanded...A01B 23/04 takes precedence) [2]

|  | 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

|  | A01B 39/10 |
· | with oscillating tools

|  | A01B 39/12 |
· | for special purposes

|  | A01B 39/14 |
· · | for working ridges

|  | A01B 39/16 |
· · | for working in vineyards, orchards, or the like

|  | 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 (Fulltext... Hierarchy... Expanded...A01B 23/04 takes precedence) [2]

|  | A01B 39/26 |
· · | Arrangements for protecting plants

|  | A01B 39/28 |
· | with special additional arrangements (Fulltext... Hierarchy... Expanded...A01B 49/00 takes precedence) [2]

|  | 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 or the like from the soil, e.g. tractor-drawn rakes (for harvesting root crops Fulltext... Hierarchy... Expanded...A01D) [4]

|  | A01B 45/00 |
Machines for treating meadows or lawns

|  | A01B 45/02 |
· | for aerating

|  | A01B 45/04 |
· | for cutting sods or turves

|  | 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 49/04 |
· | Combinations of soil-working tools with non-soil-working tools, e.g. planting tools (harvesters combined with soil-working implements Fulltext... Hierarchy... Expanded...A01D 43/12)

|  | A01B 49/06 |
· · | for sowing or fertilising

|  | A01B 51/00 - A01B 75/00 |
Parts, details or accessories of agricultural machines or implements, in general (seat constructions Fulltext... Hierarchy... Expanded...A47C; wheels Fulltext... Hierarchy... Expanded...B60B; shelters for drivers Fulltext... Hierarchy... Expanded...B60J; seats specially adapted for vehicles Fulltext... Hierarchy... Expanded...B60N 2/00; wheel scrapers Fulltext... Hierarchy... Expanded...B60S 1/68) [3]

|  | 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 Fulltext... Hierarchy... Expanded...B60 or Fulltext... Hierarchy... Expanded...B62)

|  | A01B 51/02 |
· | propelled by a motor

|  | A01B 51/04 |
· | drawn by animal or tractor

|  | A01B 59/00 |
Devices specially adapted for connection between animals or tractors and agricultural machines or implements (Fulltext... Hierarchy... Expanded...A01B 63/00 takes precedence; vehicle connections in general Fulltext... Hierarchy... Expanded...B60D; draught assemblies for animal drawn vehicles, in general Fulltext... Hierarchy... Expanded...B62C 5/00) [3]

|  | 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 Fulltext... Hierarchy... Expanded...A01B 61/00) [2]

|  | 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 (Fulltext... Hierarchy... Expanded...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 61/00 |
Devices for, or parts of, agricultural machines or implements for preventing overstrain (preventing overstrain in vehicle connections, in general Fulltext... Hierarchy... Expanded...B60D; preventing overstrain in couplings per se Fulltext... Hierarchy... Expanded...F16D) [3]

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

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

|  | A01B 63/00 |
Lifting or adjusting devices or arrangements for agricultural machines or implements (lifting mechanisms for the cutter-bar of a mower Fulltext... Hierarchy... Expanded...A01D 34/24; adjusting devices for the cutter-bar of a mower Fulltext... Hierarchy... Expanded...A01D 34/28; constructional features of lifting devices per se Fulltext... Hierarchy... Expanded...B66F) [3]

|  | A01B 63/02 |
· | for implements mounted on tractors

|  | A01B 63/04 |
· · | Hand devices; Hand devices with mechanical accumulators, e.g. springs

|  | 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 63/102 |
· · · | 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 [2]

|  | A01B 63/111 |
· · · | regulating working depth of implements

|  | A01B 63/112 |
· · · · | to control draught load, i.e. tractive force [2]

|  | A01B 63/114 |
· · · · | to achieve a constant working depth [2]

|  | A01B 63/118 |
· · · | Mounting implements on power-lift linkages (Fulltext... Hierarchy... Expanded...A01B 59/043 takes precedence; preventing or limiting side-play of implements Fulltext... Hierarchy... Expanded...A01B 59/041; preventing overstrain Fulltext... Hierarchy... Expanded...A01B 61/00) [2]

|  | A01B 63/12 |
· · | operated by an electric motor

|  | A01B 63/14 |
· | for implements drawn by animals or tractors

|  | A01B 63/16 |
· · | with wheels adjustable relatively to the frame

|  | 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 63/26 |
· · · | 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

|  | A01B 67/00 |
Devices for controlling the tractor motor by resistance of tools (preventing overstrain Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...G05D 1/02) [3]

|  | A01B 69/02 |
· | Ridge-marking or like devices; Checkrow wires; Accessories therefor

|  | A01B 69/04 |
· | Special adaptations of automatic tractor steering, e.g. electric system for contour ploughing

|  | A01B 69/06 |
· | Lateral steering of machines by an additional operator

|  | A01B 69/08 |
· | Lateral steering of machines derived from the lateral movement of tractor

|  | 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

|  | A01B 71/02 |
· | Setting or adjusting mechanisms

|  | A01B 71/04 |
· | Bearings of rotating parts, e.g. for soil-working discs (bearings in general Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...F16D)

|  | A01B 71/08 |
· | Means for protecting against dust or the like, or for cleaning agricultural implements (Fulltext... Hierarchy... Expanded...A01B 15/16, Fulltext... Hierarchy... Expanded...A01B 19/10, Fulltext... Hierarchy... Expanded...A01B 23/06 take precedence; screening of rotary driven tilling tools Fulltext... Hierarchy... Expanded...A01B 33/12; screening of rotary parts in general Fulltext... Hierarchy... Expanded...F16P 1/00) [2]

|  | 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 Fulltext... Hierarchy... Expanded...A01B 63/00; vehicles adapted for load transportation or to transport, to carry or to comprise special loads or objects Fulltext... Hierarchy... Expanded...B60P; motor vehicles, trailers Fulltext... Hierarchy... Expanded...B62D) [4]

|  | A01B 73/02 |
· | Folding frames [4]

|  | A01B 73/04 |
· · | foldable about a horizontal axis [4]

|  | A01B 73/06 |
· · | foldable about a vertical axis [4]

|  | A01B 75/00 |
Carriers for supporting persons when working in the field, e.g. while thinning beet

|  | A01B 77/00 |
Machines for lifting and treating soil (biocides, pest repellants or attractants, plant growth regulators Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A01N 25/00-A01N 65/00; fertilisers Fulltext... Hierarchy... Expanded...C05; soil-conditioning or soil-stabilising materials Fulltext... Hierarchy... Expanded...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 79/02 |
· | combined with other agricultural processing, e.g. fertilising, planting