Privacy Policy "Usually I carry a separate box for each … & Terms of Use. A standard Flail-Vac is set deep into the plant canopy of hoary tansyaster enabling the nylon brush to strip seed off of the plant. Seed separating structure is provided within the air passage intermediate the … 1996), vest buffel grass (Cenchrus have been used to harvest a wide range of species including ne'ero- ppg0n. International Network for Seed Based Restoration, Share — you are free to copy and redistribute the material in any medium or format. Lee and Maggie Arbuckle, Montana ranchers, figured out how to harvest more species with a "combine" that uses counter-rotating comb and brush drums, and a vacuum. Direct combining takes relatively little time in the field, but this method yields correspondingly less seed due to the limitation of obtaining only a single harvest. FIG. The rear portion of the shield portion 18 extends rearwardly and downwardly at approximately 30° and includes a planar rear extension portion 60. As the harvester moves through the pasture ripened seed is combed upwards off the plants and thrown rearwards into a catchment hopper giving a relatively clean sample which requires minimum cleaning or processing. Furthermore, the harvester 16 may be readily supported from any suitable lift arm assembly carried by the forward end of a tractor or other similar piece of farm equipment. 3 that the rear side 20, including the bottom wall 26, defines a horizontally forwardly opening rear housing portion into which the extension portion 60 projects, the latter being spaced below and generally paralleling the rear side 20. Accordingly, previously known forms of seed harvesters are expensive to purchase and require considerable maintenance. Photo by Derek Tilley. The mounts 32 and 34 are pivotally supported from the arms 12 as at 36 and the free ends of double acting tilting cylinders 38 anchored relative to the arms 12 are pivotally attached to the mounts 32 and 34 as at 40. The time required to dry harvested material, which can be an issue, was greatly reduced because we harvested only ripe seed and no green vegetative matter. Ortomec harvesters use the revolutionary band-blade system to cut high density crops to within 1/2 inch of the bed top. Purple Wave is selling a used Platform or Stripper Head in Missouri. Woodward Flail-Vac Seed Harvester. We went through a 1.0 acre (0.4 ha) field a total of 8 times over a period of 21 days with the modified Flail-Vac. Mid North of South Australia. Suction or vacuum harvesting. & Terms of Use. Yet another object of this invention is to provide a seed harvester including only one movable component thereof comprising a rotary brush and which may be readily driven through the utilization of a hydraulic motor receiving a supply of hydraulic fluid under pressure from the associated tractor. The use of a Flail-Vac harvester (Woodward Flail-Vac Seed Stripper, Ag-Renewal Inc., Weatherford, Oklahoma), can be a viable alternative in some cases, but this harvester can be highly destructive, and it limits the number of times one can go through the field. "Our Seedster seed harvester plucks the seed from the seed head with almost no chaff," says Lee Arbuckle. Most native grass seeds are hard to harvest and naturally shatter quickly once they are mature. The Flail-Vac is a hydraulically powered rotary brush harvester that attaches to a tractor’s front-end loader. As the air moving through the housing 16 moves around the rear free end of the extension 60, the seeds within the air stream continue to move rearwardly and downwardly by centrifugal force and are collected in a collection point 66 defined on the upper surface of the rear portion of the bottom wall 26. Hoary tansyaster has a small seed (achene) with a pappus of capillary bristles that facilitates airborne dispersal. Hand-held commercial outdoor vacuum cleaners can be used to harvest this type of seed and tend to remove only mature seed. © 2004-2021 FreePatentsOnline.com. ... Wizard Vacuum Seeders. Patent: United STATES Patent - United States. generation. The Power Unit is a PTO pump powered independent hydraulic … Keywords: Jojoba seed, Mechanical harvesting, Vacuum harvester Two self-propelled vacuum harvesters were developed to harvest jojoba seed from the soil surface. developed hy Aaron Beisel in 1981 (Beisel 1983)_ The success of this machine in the USA led to investigations into its ad- ... Hand held native grass seed harvester (Source: Jensen el al. This method caused very little, if any, damage. Designed and built by J. Stafford, Vegetation Management Services, Main Rd, Lenswood. The marginal portion 52 is spaced forward and above the marginal portion 50 with the vertical spacing of the marginal portion 52 above the marginal portion 50 being greater than the horizontal spacing of the marginal portion 52 forward of the marginal portion 50. Vac Stripper brush harvester. The housing 16 is suspended from a pair of front and rear upper longitudinal frame members 28 and 30 from which a pair of longitudinally spaced mounts 32 and 34 are supported. We completed two harvests using the Flail-Vac for a combined total of 7.3 lb (3.3 kg) of pure seed, equivalent to 12.2 lb/acre (13.7 kg/ha). The inlet is defined between opposing generally parallel longitudinal marginal portions of the housing and one marginal portion is disposed forward and above the other marginal portion, whereby the inlet opens outwardly of the housing in a foward and downward direction. Unfortunately, we found this technique to be more damaging to the plants than we wanted. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention. Woodward 12' Flail-Vac seed stripper has sold in Mountain Grove, Missouri for $1595. Currently available means of mechanical harvesting that allow for multiple harvests are limited. A rotating ‘beater / brush’ mounted inside the head unit helps to dislodge seed from the grass stem. Harvesting medic seed at 3AM 4 units, 2 tandem combinations of the Horwood Bagshaw vacuum seed harvester. The foregoing is considered as illustrative only of the principles of the invention. The upper rear portion of the shield 62 terminates a spaced distance below the rearwardly and downwardly extending extension portion of the shield portion 18 and the brush 54 is effective as a turbine impeller to draw air inward through the inlet 46 and rearward about the underside of the shield portion 18. Figure 5. 1/3. We had to stop the tractor regularly to lift the arms and remove broken stems and plants from the front of the Flail-Vac. The main object of this invention is to provide an effective seed harvester which may be utilized to harvest seeds from tall grasses. The front side 18 of the housing 16 is defined by a generally partial cylindrical shield portion which extends rearwardly and upwardly from the marginal portion 52 and is downwardly concave. Ideal for baby-leaf greens, spinach, mesclun mixes, and herbs. The donor areas were divided into strips, each 3 × 24 m. An elongated seed stripping rotary brush is journaled in the housing for rotation about an axis extending longitudinally thereof with between 30° and 90° of the periphery of the brush registered with the inlet. Easy to push and maneuver inside hoophouses and greenhouses. In 2013 we harvested hoary tansyaster using a Flail-Vac seed stripper set to harvest approximately the top 8 to12 inches (20 to 30 cm) of the plants (Figure 1). However, the outlet 48 is defined between the members 28 and 30 at the upper marginal portion of the extension 60 and accordingly, air passing through the housing 16 from the inlet 46 to the outlet 48 moves in the direction of the phantom lines 64 up over the upper portion of the brush 54 and rearward beneath the extension 60 before making a 180° turn forwardly and upwardly along the extension 60 toward the outlet 48. Vacuum harvesting of seeds. Over the last few years we have examined several techniques for harvesting light airborne seed with varying levels of success. suction machine built likc a powerful vacuum S\H'eper has been dC\"eIoped by the Kansas State Col-L~ge al1\1 the Experiment Station at Hays. However plants were frequently hung up on the pipes and dragged until they were broken or uprooted. It is a compact seeder that can be used even with low HP tractors; the working width goes from 2.5 to 3 meters.With separate seed-fertilizer tanks, seed agitators, covering harrow, hydraulic disc row markers and ‘low seed level’ acoustic alarm, it saves costly seeds, fertilizers and time. Photo by Derek Tilley. Hoary tansyaster seed harvested with a chain-modified Flail-Vac contains very little vegetative matter making it easier to dry and clean. GreenSystem Multi-crop Vacuum Planter assists in Sowing and Planting. Indeterminately maturing, wind-dispersed wildflower seeds can be difficult to effectively harvest to maximum yields using traditional equipment. It is likely that vacuum harvesters designed for sub-clover and medic seed harvesting could be modified to harvest large areas of native grass seed by removing the threshing drum and modifying the height adjustment. Application: US19810302168 on 1981-09-14. 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