82results about "Outside dividers" patented technology

The utility model provides a rice male parent cutting and crushing machine. The rice male parent cutting and crushing machine comprises a walking mechanism, a cutting table carried on the walking mechanism and a driving mechanism used for controlling the cutting table to act, the cutting table comprises a rack, a cutter shaft vertically and rotatably arranged in the rack and a plurality of cutter heads installed on the cutter shaft, one end of the rack is open, and the other end of the rack is open. Dividers are hinged to the two side walls, where the opening is formed, of the rack, the opening and closing angles of the two dividers can be adjusted relative to the opening, and the driving mechanism is in driving connection with the cutter shaft; a plurality of fixed blades are installed on at least one inner side wall of the machine frame in the height direction of the machine frame, and the fixed blades are close to the opening and the cutter head. Due to the adoption of the structural design of the single cutter shaft, the device can be lightened and miniaturized, and is more suitable for cutting and crushing operation of a narrow single row or two rows of male parents in a deep muddy paddy field.

The invention belongs to the technical field of agricultural harvester harvesting, and particularly relates to an agricultural harvester device which comprises a placing and moving mechanism and further comprises a dividing mechanism, the placing and moving mechanism is placed on the ground, the front end of the interior of the placing and moving mechanism is provided with the dividing mechanism, and the dividing mechanism is used for actively dividing crops; the upper end of the interior of the mechanism is provided with a cutting mechanism, the adaptability to crops with complex postures can be improved, meanwhile, the situation that the crops are interwoven to cause tool jamming or jamming can be prevented, the problem of winding and jamming of fixed dividing teeth can be effectively avoided, and the cutting efficiency is improved. The problem of jamming of the knotter is thoroughly solved, and the binding strength can be greatly improved.

The utility model provides a general header and a corn harvester, and relates to the technical field of agricultural machinery devices, the general header comprises a rack, a conveying groove, an adaptive frame, a connecting seat, a universal joint assembly, a transmission closed gearbox, a feeding auger assembly, a dividing and cutting assembly and a side auger assembly; a conveying groove is formed in the rear surface of the machine frame, an adaptive frame is arranged on the periphery of the conveying groove and detachably installed on the machine frame, connecting bases are arranged on the two sides of the rear surface of the machine frame, a universal joint assembly is arranged in each connecting base, the universal joint assemblies are in transmission connection with a transmission closed gearbox, and a feeding auger assembly is arranged at the front end of the machine frame. A plurality of groups of dividing and cutting assemblies in transmission connection with the transmission closed gearbox are arranged at the front end of the feeding auger assembly, and edge auger assemblies are arranged on the two sides of the rack; according to the universal header and the corn harvester, the technical problems that in the prior art, a header can only be connected with a specific harvester in a matched mode, and universality is lacked are solved; the technical effect that harvesters of different structures can be hung is achieved.

An agricultural harvester includes a forward frame, and first and second base cutters supported adjacent each other in a lateral direction on the forward frame. Additionally, the agricultural harvester includes a central row divider supported on the forward frame, with the central row divider being aligned at least partially between the first and second base cutters along the lateral direction and extending at least partially forward of the first and second base cutters along a fore-aft direction. The central row divider has a main dividing portion configured to direct crop towards the first and second base cutters, the main dividing portion both increasing in width in the lateral direction and in height in a vertical direction from proximate a front end of the main dividing portion to proximate a rear end of the main dividing portion along the fore-aft direction.

The utility model relates to the technical field of harvesting machinery, and discloses a crop harvesting machine and a divider thereof, the divider comprises a front body, a connecting body, a fixing part and an adjusting assembly, the front body is connected with the connecting body, the connecting body is arranged on the adjusting assembly, and the adjusting assembly is rotatably connected with the fixing part and can be fixed at different preset positions. The adjusting assembly is used for driving the front body and the connector to rotate relative to the fixing part. When the breadth needs to be adjusted, for one of the dividers, the connecting body is driven by the adjusting assembly to rotate relative to the fixed part in the direction away from or close to the other divider, the connecting body drives the front body to rotate relative to the fixed part in the same direction, and the distance between the front bodies of the two dividers is increased or decreased, namely, the breadth is increased or decreased. The adjusting assembly is operated according to different breadth requirements, so that the divider can be suitable for crops in different planting modes, and the adaptability is improved.

The application provides a height and angle adjustable divider for regenerative rice and a harvester, comprising a left divider height adjusting device, a left divider angle adjusting device, a right divider height adjusting device, a right divider angle adjusting device and a divider height adjusting control system; the left divider height adjusting device is installed on the left side of a cutting table; the left divider angle adjusting device is installed on the left divider height adjusting device; the right divider height adjusting device is installed on the right side of the cutting table; the right divider angle adjusting device is installed on the right divider height adjusting device; the left divider height adjusting device and the right divider height adjusting device are used to drive the divider to move up and down in the vertical direction, and the left divider angle adjusting device and the right divider angle adjusting device are used to adjust the opening angle of the divider tip plate. The application realizes two-degree-of-freedom adjustable height and angle of the divider, improves the crop universality and complex agricultural adaptability, and can realize efficient division of various crops such as regenerative rice and reduce loss.

A device, system, and method for removing hop cones and leaves from hop vines, including a set of rotating shafts with mounted picking fingers (picking drums) which are located between sets of rotating shafts with mounted paddles (grasper drums). The grasper drums, which are rotating at a different speed than the picking drums, transport and hold the vine which the picking drums remove the cones and the leaves from the vine.

The invention provides a cumin inter-row harvesting device suitable for a cotton cumin interplanting mode. The cumin inter-row harvesting device comprises a divider, a harvesting and conveying device, a walking device and a control system. The walking device has an adjustable transverse working width and is used for crossing multiple rows of cotton and carrying out cross-row harvesting on multiple rows of cumin among the rows; the dividing device is arranged below the walking device and used for gathering cumin in clusters and conveying the cumin backwards. The harvesting and conveying device is distributed at the lower rear part of the dividing device and is used for cutting the divided and gathered cumin seeds and tiling the cumin seeds backwards in a harvested area; the control system is electrically connected with the dividing device, the harvesting and conveying device and the walking device and used for controlling dividing, cutting and conveying and advancing steering. The power of the whole machine is provided by a range-extended generator, and remote control is realized through a wireless remote control unit. On the premise that cotton is not damaged, cross-row efficient harvesting of multiple rows of cumin can be achieved, the structure is compact, operation is convenient and fast, labor intensity is remarkably reduced, and harvesting efficiency is improved.

The utility model provides a stripping workbench for a stripping type grain combine harvester, which adopts a closed combined stripping method and is mounted at the front end of a crawler-type small and medium-sized combine harvester, and the crawler-type combine harvester is connected with a stripping mechanism through an inclined conveying groove. The threshed grains are guided and conveyed into the harvester through the inclined conveying groove, and the harvester only needs to undertake grain cleaning and grain storage work. The stripping workbench is composed of a rack, a grain guiding assembly, a stripping roller, a feeding inlet grain divider, a supporting and falling grain divider, a concave grid and a spiral pushing and conveying device, crops are fed into the stripping chamber, under the combing and brushing impact driving of the stripping roller, most grains of the grains are stripped in a side stripping mode at the upper portion of an inlet, and then the grains are separated along a flow guiding strip of the feeding inlet grain divider. The grains enter the lower portion of the stripping chamber and continue to be stripped in a downward stripping mode until stripping separation work is finished, so that the grains are prevented from being thrown outwards and lost, the loss rate of the stripping type harvester is reduced, and the effect is remarkable.

The utility model relates to the technical field of China-hemp harvesting, and provides a China-hemp segmented harvester which comprises a machine frame, the machine frame is provided with an upper-segment cutting transmission frame and a lower-segment cutting transmission frame, the upper-segment cutting transmission frame is correspondingly provided with a reel, the upper-segment cutting transmission frame and the lower-segment cutting transmission frame are provided with dividers, and the dividers are arranged on the upper-segment cutting transmission frame and the lower-segment cutting transmission frame. The upper-section cutting transmission frame and the lower-section cutting transmission frame are respectively provided with a China-hemp clamping transmission belt, a cutting knife device is arranged at an inlet of each China-hemp clamping transmission belt, the rack is provided with a rear China-hemp transmission device communicated with the upper-section cutting transmission frame and the lower-section cutting transmission frame, and the rack is provided with an upper-section tip cutting device. According to the China-hemp segmented harvester provided by the utility model, the mechanized operation from integral harvesting to segmented cutting during China-hemp harvesting is realized, the early-stage work is well done for the subsequent mechanized bundling of China-hemp, the labor cost from cutting to peeling of China-hemp is reduced, and the dust problem in a closed space caused by manual segmentation and segmentation operation can be avoided.

The utility model discloses a divider with a vibration recovery function, and belongs to the field of agricultural machinery. The harvester comprises a base, and a front protective cover is fixed at the front end of the base, and is characterized in that an upper tray is hinged to the rear end of the base through a pin shaft, vertical edges are arranged on the two sides and the edge of the front end of the upper tray, and the upper tray falls on the base in the initial state and is used for receiving crop grains falling in the harvesting process; a driving mechanism is arranged on the base close to the front end, abuts against the bottom face of the upper tray through a cam and is used for driving the upper tray to swing in a reciprocating mode with the pin shaft as the axis. The harvester has the advantages that the upper tray can serve as a rear protective cover and can receive crop grains falling in the harvesting process, especially sesame seeds and other crops with the grains prone to falling off at the same time; through regular reciprocating swing of the upper tray, the grains in the recovery tank can be guided into the auger behind and recovered into the granary, so that the grains are stored in the granary; the harvesting loss is reduced, so that the economic benefit is improved.

The invention discloses a tomato seedling turning machine which is used for turning tomato seedlings before tomato harvesting. The seedling turning machines (2) are hung on a front cross beam of the tractor (1) and are respectively arranged in front of a left front wheel and a right front wheel of the tractor (1). An annular chain belt (7) is installed on the periphery of the seedling turning machine (2), the chain belt (7) is supported by three supporting wheels (8) to form a triangle, the hydraulic motor (4) is coaxial with the supporting wheels (8) behind, the hydraulic motor (4) rotates to drive the supporting wheels (8) to rotate, the supporting wheels (8) rotate to drive the chain belt (7) to move, and the chain belt (7) continuously moves on the periphery of the seedling turning machine (2) to push out seedling vines making contact with the chain belt (7) and continuously convey the seedling vines to the rear portion. After the seedling turning machine (2) advances, seedling vines do not rebound. And the power of the seedling turning machine comes from two triple hydraulic pumps (6) mounted on a gear box (5) driven by a rear output shaft of the tractor (1).

The utility model discloses a composite header for soybean harvesting, which relates to the technical field of soybean planting equipment and comprises a mounting frame, a caster component, a dividing component and a cutter component. The front end of the mounting frame is symmetrically and rotationally connected with two trundle assemblies, and the two trundle assemblies are fixedly connected with a seedling dividing assembly located in front of the mounting frame, so that the angle of the seedling dividing assembly can be automatically adjusted when the seedling dividing assembly encounters an undulating surface; a cutting knife assembly is arranged behind the dividing assembly, and the cutting knife assembly is arranged on the mounting frame to cut soybean plants. The adaptive capacity of the header to complex terrains is greatly improved, the problem that seedling dividing is difficult due to the fact that petioles of two rows of soybeans intersect is effectively solved, the phenomenon that the header is wound is reduced, in addition, after the seedling dividing assembly separates soybean plants, the cutter assembly can accurately cut the soybean plants, and the cutting efficiency is improved. The defect that the reel cannot be driven up due to rotation of the reel is overcome, and the soybean harvesting efficiency is improved.

The utility model discloses a grain reaper-binder, and relates to the technical field of reaper-binder. The grain harvester comprises a grain harvesting assembly and a fallen object recycling assembly, the grain harvesting assembly is composed of a front supporting plate, a fixing frame, a divider, a stalk conveyor and a cutter, and the fallen object recycling assembly is composed of a material suction mechanism, a material storage box and a material receiving mechanism. According to the grain cutting machine, the opening and closing of the material suction mechanism are adjusted, the upper half part of grain to be cut is covered according to the position of the ear part of the grain to be cut, and falling objects such as grains, husks and leaves which are easy to break and fall off due to the fact that the grain grows maturely and the connecting part is fragile are removed by means of negative pressure formed by pumping internal air at the material storage box; when grains are harvested by the binder, most of the grains are sucked into the storage box through the suction mechanism to be collected and stored, and a small part of the remaining fallen grains fall to the receiving mechanism and are received and stored by the receiving mechanism, so that the amount of the grains wasted due to falling when the binder harvests the grains is reduced, and grain resources are fully recycled.

The utility model provides a corn harvester which comprises a harvester body, a harvesting assembly is arranged on the right side of the harvester body, and an adjusting assembly is arranged on the right side of the harvesting assembly. The harvesting assembly comprises a horizontal roller type ear picking mechanism arranged on the right side of the harvester body. According to the corn harvester provided by the utility model, the grip is rotated to drive the rotating screw rod to rotate, so that the two threaded sleeves and the sliding block are driven to move towards one side on the peripheral side surface of the rotating screw rod, and the dividing frame is enabled to move along with the rotating screw rod, so that the problem of low flexibility of the existing divider is solved; the output end of the telescopic air cylinder stretches and retracts in a reciprocating mode to drive the cleaning frame to move front and back, then the outer side of the cleaning frame pushes out straw wound on the surface of the dividing frame, the structure is simple and practical, the dividing effect is effectively guaranteed, and the harvesting efficiency is improved in a turning mode.

The invention belongs to the technical field of reed prevention and control, and particularly discloses a reed harvester suitable for marshland, which comprises a walking mechanism, a clamping and transporting mechanism and a harvesting mechanism, the walking mechanism comprises a walking assembly, a bearing shell arranged on the walking assembly and a frame arranged on the bearing shell. The clamping and transporting mechanism is arranged between the bearing shell and the two vehicle frames, and the clamping and transporting mechanism is used for clamping and transporting reeds; the harvesting mechanism is arranged between the two vehicle frames, and the harvesting mechanism is used for cutting reeds. The reed harvester suitable for the marshland is simple in structure, low in manufacturing cost, high in harvesting efficiency, not prone to falling into the marshland, capable of achieving fixed clamping and conveying of reeds and capable of being used and popularized in a large range.

An agricultural harvester includes a forward frame. The agricultural harvester further includes a first base cutter and a second base cutter supported adjacent to each other in a lateral direction on the forward frame. Moreover, the agricultural harvester includes a central row divider supported on the forward frame, where the central row divider is aligned at least partially between the first and second base cutters along the lateral direction and extends at least partially forward of the first and second base cutters along a fore-aft direction. Additionally, the agricultural harvester includes a central cutter supported at least partially rearward of a forward end of the central row divider and forward of the first and second base cutters along the fore-aft direction, where the central cutter is configured to cut crop guided by the central row divider.

A cutting tool for a harvesting header includes a longitudinal member having a straight portion with a non-round cross-section, a hook coupled to the longitudinal member and configured to secure the longitudinal member to a divider of a harvesting header, and a cutting blade extending from the longitudinal member. A harvesting header for use with a crop-harvesting machine includes a header frame structured to be coupled to the crop-harvesting machine, a divider at an end of the header frame, and a cutting tool carried by the divider. The divider defines a tube therein, and the longitudinal member of the cutting tool is disposed at least partially within the tube. A method of preparing a harvesting header includes sliding a longitudinal member of a cutting tool into a tube within a divider, and engaging a hook to secure the longitudinal member to the tube.

The utility model belongs to the technical field of harvesting mechanical equipment, and particularly discloses a self-propelled pepper harvester picking table which comprises a rack assembly, a front compression roller assembly, a profiling ground roller adjusting assembly, a profiling ground roller assembly, a picking roller assembly, a divider supporting assembly, a divider assembly, an impurity discharging fan assembly and a lateral conveying assembly. The profiling ground roller adjusting assembly, the profiling ground roller assembly, the picking roller assembly, the divider supporting assembly, the divider assembly, the impurity discharging fan assembly and the lateral conveying assembly are connected with the rack assembly. The front compression roller assembly is connected with the picking roller assembly; the picking table can effectively improve the pepper picking efficiency, greatly reduces the pepper breakage rate and the pepper impurity rate in the pepper harvesting process, and can meet the requirements for picking of different pepper varieties and picking of multiple rows of peppers.

The invention provides a rape harvesting header which comprises a header mechanism and an adjusting mechanism, the header mechanism comprises a header body, a vertical cutting knife assembly, a transverse cutting knife assembly, a seedling dividing assembly and a seedling pulling assembly, and the adjusting mechanism comprises a driving mechanism, a first connecting assembly and a second connecting assembly. The connecting end of the driving mechanism is used for being hinged to a lifting groove of a conveying vehicle, the telescopic end of the driving mechanism is hinged to the header body, and the telescopic end of the driving mechanism is telescopically arranged so as to drive the header mechanism to be rotatably arranged around the hinge point between the first connecting assembly and the second connecting assembly. The adjusting mechanism is linked with the driving mechanism through the hinge structure, on the basis that the lifting groove lifts and adjusts the height of the header from the ground, flexible adjustment of the angle of the header is achieved, the stability of the relative position of the header and the ground under the complex terrain is guaranteed from the structural level, basic support is provided for efficient operation of subsequent functional assemblies, and the working efficiency is improved. And the continuity and the adaptability of the whole machine operation are obviously improved.

To provide a harvester capable of reaping more crops by increasing a distance between right and left dividers while suppressing enlargement of the machine body width.SOLUTION: A harvester includes: a vehicle body 1; right and left dividers 32 for dividing crops into crops to be reaped and crops to be left in a farm field; and an arm 33 for causing the vehicle body 1 to support the dividers 32 in a vertically swingable state. The arm 33 includes a first part that is an end part on a divider 32 side, and a second part that is an end part on a vehicle body side. An inside end part in a vehicle body lateral direction of the first part is located more on a lateral outside of the vehicle body 1 than an inside end part in a vehicle body lateral direction of the second part.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of mechanical structures, and particularly relates to a soybean separation header which comprises a header body frame, the bottom of the header body frame is a header bottom plate comprising a rear side short plate and a front side extension plate, a cutting assembly is installed on the front side of the header bottom plate, soil screening holes arranged in a matrix mode are formed in the plate face, and a flashboard mechanism capable of sliding synchronously is arranged at the bottom. The opening and closing states of the screen holes are controlled through the adjusting handle. The reinforcing rib structure at the bottom of the header bottom plate is divided into independent trepanning areas, the guide sliding grooves and the spring steel plates are matched to ensure that the flashboards are tightly attached, and the adjacent flashboards are linked through the screw assemblies. Dividers are installed on the two sides of the device to improve the terrain adaptability. The harvester has the advantages that silt is separated in real time through the sieve holes, the grain cleanliness is improved, rapid switching of harvesting modes of crops such as beans and rice and wheat is achieved through flashboard adjustment, the structural strength is enhanced through modular design, maintenance is simplified, precise and stable operation is guaranteed through screw transmission, labor intensity and production cost are effectively reduced, and high efficiency and universality are achieved.

The utility model discloses a mowing tool for interplanting crops in an orchard, which comprises a wheel shaft and a driving wheel rotatably mounted on the peripheral side of the wheel shaft, mounting seats are fixed on the two sides of the wheel shaft, a diamond-shaped branch device is arranged at the front end of the mowing tool, branch device clamping seats extending to the two sides of the wheel shaft are arranged on the two sides of the branch device, and the branch device clamping seats are fixed on the wheel shaft. The branch device clamping seats are fixedly installed on the corresponding wheel shafts, the blades are installed on the outer sides of the branch device clamping seats in a buckled mode, the push handles fixed to the installation seats are arranged on the two sides of the wheel shafts, in the walking process, weeds in the middle of the front and on the two sides are gathered through the branch device, and the weeds which meet oppositely and are gathered together are cut through the blades. Therefore, crops cannot be damaged, weeding is convenient and fast, time and labor are saved, and labor cost is saved.

The utility model discloses a cutter-rower which comprises a rack, a divider, a cutter assembly, a front conveying baffle and a shifting finger type conveying chain. The divider, the cutter assembly, the front conveying baffle and the shifting finger type conveying chain are installed on the rack. A rotating shaft is rotationally installed on the rack and located above the shifting finger type conveying chain through an installation base, a swing arm is fixedly connected to the rotating shaft, an installation plate is fixedly connected to the lower end of the swing arm, and a brush plate is fixedly connected to the lower end face of the installation plate. And the brush hair surface of the brush plate is in contact with the upper end of the shifting finger type conveying chain. The device has the advantages that the poking finger type conveying chain can be cleaned in real time, the manual cleaning period of the poking finger type conveying chain is effectively prolonged, the running resistance of the poking finger type conveying chain is reduced, and then the service life of the poking finger type conveying chain is prolonged.

The present invention relates to a harvesting assembly for an agricultural machine comprising a structural frame. A feed roller is operably coupled with the structural frame. A deflector assembly is operably coupled with the structural frame. The deflector assembly includes a deflector plate that is at least partially positioned laterally outward of the feed roller. The deflector plate is rotatable relative to the structural frame between a first position and a second position.

To provide a combine-harvester in which a rear part of a side panel is rotatably supported, and which allows a user to easily visually confirm a state of grain culm clogging in a conveyance device of a reaping device by changing an attitude from an operation attitude in which the side panel extends in a front-rear direction to an opening attitude in which the side panel extends in an up-down direction.SOLUTION: A combine-harvester comprises: a travel device which is provided on a lower side of a machine body frame; a reaping device which is provided on a front side of the machine body frame and reaps grain culm; a thresher which is provided on a rear left side of the reaping device and threshes the grain culm; a steering unit which is provided on the rear right side of the reaping device; a transmission mechanism which changes output rotation of an engine to output the output rotation to the travel device; a front panel which is provided on a front side of a steering seat of the steering unit; a side panel which is provided on a left side of the steering seat; a speed change lever which operates the transmission mechanism to change the output rotation of the engine in the side panel; and a mode change operation unit 90 which performs a prescribed mode change. The mode change operation unit separately includes an operation part 91 which performs mode change operation and a display part which displays an operation result of the operation part.SELECTED DRAWING: Figure 28

The invention relates to a harvesting assembly for an agricultural machine comprising a structural frame. A center section divider device is operably coupled to the structural frame and includes one or more center section feed rollers. A first row of divider devices is laterally offset from the center section divider device. The first row of divider devices includes a first pivot frame, a first connecting element operably coupled to the first pivot frame and the structural frame, and one or more first sets of feed rollers operably coupled to the first pivot frame. A second row of divider devices is positioned on an opposite side of the center section divider device from the first row of divider devices. The second row of divider devices includes a second pivot frame, a second connecting element operably coupled to the second pivot frame and the structural frame, and one or more second sets of feed rollers operably coupled to the second pivot frame.

To provide a combine-harvester which can reduce vibration generated in a grass-dividing guide and suppress breakage of the grass-dividing guide due to the vibration.SOLUTION: A reaping unit 4 comprises: a plurality of grass-dividing tools 9 which is provided on a tip of a lower part of the reaping unit 4 and divides plant foot side portions of planted grain culm; a plurality of raising devices which is arrayed along a machine body left-right direction and raises the planted grain culm divided by the grass-dividing tools 9; a grass-dividing guide 40 which extends to a height higher than ear tips of the planted grain culm from a height lower than ear tips of the planted grain culm at the machine body left-right direction position corresponding to the grass-dividing tool 9 and acts on the planted grain culm prior to the raising devices to divide the ear tip side portions of the planted grain culm; and a support frame 25 which extends along the machine body left-right direction so as to reach upper parts of the plurality of raising devices and supports the plurality of raising devices. An upper end part of the grass-dividing guide 40 is connected to the support frame 25.SELECTED DRAWING: Figure 5

To provide a combine-harvester in which a rear part of a side panel is rotatably supported, and which allows a user to easily visually confirm a state of grain culm clogging in a conveyance device of a reaping device by changing an attitude from an operation attitude in which the side panel extends in a front-rear direction to an opening attitude in which the side panel extends in an up-down direction.SOLUTION: A combine-harvester comprises: a travel device which is provided on a lower side of a machine body frame; a reaping device which is provided on a front side of the machine body frame and reaps grain culm; a thresher which is provided on a rear left side of the reaping device and threshes the grain culm; a steering unit which is provided on a rear right side of the reaping device; a transmission mechanism which changes output rotation of an engine to output the output rotation to the travel device; a front panel which is provided on a front side of a steering seat of the steering unit; a side panel which is provided on a left side of the steering seat; a speed change lever which operates the transmission mechanism to change the output rotation of the engine in the side panel; and a mode change operation unit 90. The mode change operation unit includes an operation part 91 which can change a transmission ratio of the transmission mechanism and a display part which is arranged at a position closer to a worker with respect to the operation part.SELECTED DRAWING: Figure 28