| ReturnTo Theme-Group-Choice | Onelevelup |
| 2B054 | Sowing | |
| A01C7/00 -9/08 | ||
| A01C7/00-9/08 | AA | AA00 PURPOSE AND FUNCTIONS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | ||
| . Ease of attachment or detachment, or ease of exchange of devices | . Adjustability | . Adaptability to various conditions | . Provision of accurate sowing intervals or depth | . Spreading of fixed quantities or fixed numbers of grains | . Prevention of loss of or damage to seeds and the like | . Prevention of packing or bridging | . Prevention of adhesion, or cleaning functions | |||||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA17 | AA20 | ||||||
| . Miniaturization or streamlining of the manufacturing process | . Improvement of strength or durability | . Improvement of running or transporting properties | . Improvement of handling, operating, or safety properties | . Energy savings or improved operating efficiency | . Working methods | . Others | ||||||
| BA | BA00 TYPES OF SEEDS |
BA01 | BA02 | BA03 | BA10 | |||||||
| . Seeds | . . Sprouting seeds | . Bulbs or seed potatoes | . Others | |||||||||
| BB | BB00 TARGET LOCATIONS FOR SOWING |
BB01 | BB02 | BB03 | BB04 | BB05 | BB10 | |||||
| . Agricultural fields | . . Irrigated fields | . Planter boxes | . . Pots | . Public areas or public lands | . Others | |||||||
| CA | CA00 TYPES OF SEEDERS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
| . Sowing implements or manual seeders | . Power-driven portable seeders | . Power-driven seeders that are walked | . Power-driven seeders that are ridden | . Seeders running on rails | . Stationary seeders | . Seed string or tape-depositing seeders | . Spray-type seeders | . Slurry-type seeders | . Others | |||
| CB | CB00 COMBINATION OF OPERATING MACHINES OR COMBINES WITH SEEDERS |
CB01 | CB02 | CB03 | CB04 | CB05 | CB07 | CB08 | ||||
| . Cultivation or leveling devices | . Furrowing or hole-making devices | . Machines for supplying ground soil, cultured soil, or covering soil, or tamping devices | . Devices associated with multiple layers | . Irrigation, or pesticide-spraying devices | . Combination of operating machines or combines with fertilizing devices | . Machines that combine fertilizing and sowing | ||||||
| CB11 | CB12 | CB15 | CB20 | |||||||||
| . Transplanting devices | . Harvesting devices | . Order of arrangement or relative relationship of connected devices | . Others | |||||||||
| DA | DA00 OVERALL SEEDER STRUCTURE |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 | |
| . Seeder frames | . Seeder installation and connecting mechanisms | . . Installation mechanisms that are freely detachable | . . Installation mechanisms that freely oscillate | . . Installation mechanisms that freely move up and down | . . Installation mechanisms that freely move left and right | . Seeder arrangements | . Transport devices for seeders | . . Gliding bodies of floats and the like | . . Rail-traveling devices | |||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA17 | DA20 | ||||||
| . Processing mechanisms (i.e., seed bins) | . . Mechanisms for drawing seed bins and the like out to conveyors | . . Transport mechanisms (e.g., for seed bins and the like) | . . Inversion mechanisms (e.g., for seed bins and the like) | . . Storage mechanisms (e.g., for seed bins and the like) | . Auxiliary equipment for seed bins | . Others | ||||||
| DB | DB00 DRIVE DEVICES FOR SEEDERS |
DB01 | DB02 | DB03 | DB04 | DB06 | DB07 | DB08 | DB09 | DB10 | ||
| . Drive mechanisms | . . Drive using manual power | . . Drive using contact wheels | . . Drive using motors | . Power-transmission mechanisms | . . Clutches | . . Gearbox mechanisms | . . . Belts or chains | . Others | ||||
| DC | DC00 SEED CONTAINERS |
DC01 | DC02 | DC03 | DC04 | DC05 | DC06 | DC08 | DC09 | DC10 | ||
| . Shapes of containers | . . Shapes of seed-collecting bins | . Supplementary devices for containers | . . Lids | . . Partitioning plates | . . Discharge openings | . Devices for prevention of containers from becoming jammed | . Installation or arrangements of containers | . Others | ||||
| DD | DD00 ADJUSTMENT OF SEED-FEEDING MECHANISMS OR AMOUNT SUPPLIED |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD09 | DD10 | |
| . Structures of feeding mechanisms | . . Use of plates with holes or grooves | . . Rotating drums containing seeds | . . Feeding of seeds using opening and closing plates | . . Pushing mechanism for seeds | . . Feeding mechanisms that use rotating discs | . . Feeding mechanisms that use rotating cylinders | . . Feeding mechanisms that use rotating spirals | . . Feeding mechanisms that use endless belts | . . Feed out mechanism that use vibration | |||
| DD11 | DD12 | DD13 | DD14 | DD15 | DD16 | DD18 | DD19 | DD20 | ||||
| . . Feeding mechanisms that use hydraulic pressure | . . . Suction mechanisms | . . . Force-feeding mechanisms for seeds and the like | . . Feeding mechanisms that use magnetic force or static electricity | . . Mechanisms that feed seeds by piercing | . . Mechanisms that feed seeds by grasping | . Mechanisms for adjustment of the amount supplied | . . Changes in the feed rate | . . Changes in the position of the feed mechanism | ||||
| DD21 | DD22 | DD23 | DD24 | DD25 | DD26 | DD28 | DD29 | DD30 | ||||
| . Detailed structures of feed and adjustment mechanisms | . . Seed holes or grooves | . . Projecting members or buckets | . . Shutters | . . Brushes or scraping plates | . . Bodies that adjust the length or depth of the seed grooves | . Installation or arrangement of the feeding mechanism | . Accessory devices for feeding mechanisms | . Others | ||||
| DE | DE00 SEED GUIDANCE OR DISCHARGE MECHANISMS |
DE01 | DE02 | DE03 | DE04 | DE05 | DE06 | DE07 | DE08 | DE09 | DE10 | |
| . Structure of discharge mechanisms | . . Tubular guidance or discharge mechanisms | . . . Funnel-shaped mechanisms | . . Board-shaped guidance or discharge mechanisms | . . Discharge mechanisms that use rotating rollers | . . Sowing openings | . Mechanisms that adjust the discharge | . Mechanisms that promote discharge | . Installation or arrangements of discharge mechanisms | . Others | |||
| EA | EA00 DETECTION OR CONTROL |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | |||
| . Target of detection | . . Seed status | . . . Presence of seeds | . . . Flow rate of seeds | . . Status of agricultural fields | . . . Bearing capacity of agricultural fields | . . Status of seeders or seed bins | . . . Speed of seeders or seed bins | |||||
| EA11 | EA12 | EA13 | EA14 | EA15 | EA16 | EA17 | ||||||
| . Sensor structures or arrangements | . . Sensor structures | . . . Mechanical sensors | . . . Electrical sensors | . . . Optical or sonic sensors | . . Installation or arrangements | . Signal processing or circuits | ||||||
| EA21 | EA22 | EA23 | EA24 | EA25 | EA26 | EA27 | EA28 | EA30 | ||||
| . Control | . . Control of seeders or seed bins | . . . Drive control | . . . Position control | . . Status of seeding | . Warning or display devices | . . Device structures | . . Device arrangements | . Others |