US1899737A - Resilient grizzly and screen - Google Patents
Resilient grizzly and screen Download PDFInfo
- Publication number
- US1899737A US1899737A US455593A US45559330A US1899737A US 1899737 A US1899737 A US 1899737A US 455593 A US455593 A US 455593A US 45559330 A US45559330 A US 45559330A US 1899737 A US1899737 A US 1899737A
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- US
- United States
- Prior art keywords
- disks
- rollers
- screen
- shaft
- pieces
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S209/00—Classifying, separating, and assorting solids
- Y10S209/906—Pneumatic or liquid stream feeding item
Definitions
- My invention relates to an improved form of screen for separating or classifying mixed material containing solid pieces or particles of different sizes, so that pieces or particles up to a iven size will pass through the screen and pieces or particles of larger size will be delivered from another portion of the screen Without passing through it, my screen consisting essentially of rollers of resilient material which may be provided with grooves of substantially the width of the pieces or particles to pass through the screen, and separated from each other, preferably, by a distance substantially equal to the width 5 of the grooves. While my improved screen construction is adapted for use for many purposes, it is particularly applicable for use as a grizzly in placer mining, for separating fine material from coarse material contained in the mixed water and solid material resulting from placer mining.
- the mixture of water and solid material may contain large pieces of rock which have little or no 5 value, and in addition, considerable fine material of a solid nature which it is desired to separate from the coarser material, and to treat in one way or another to recover the precious metals therefrom.
- My improved screen construction is particularly adapted to handle the solid material referred to, since the resilient nature of the rollers protects from them appreciable wear bythe pieces of rock passing over them, and at the same time 5 the resilient material of the'rollers permits solid pieces which are slightly larger than the desired size to be screened out by the device, to pass through the rollers or between them, whereas if the rollers were of rigid 0 material, pieces of this particular size would frequently clog the screen and reduce its efficiency.
- roller may be built-up in sections, to the end that the grooves in the rollers may be given any desired width and depth, although ifpreferred the roller may be molded in a single piece,
- FIG. 1 illustrates my improved screen applied in plan view to a sluiceway to constitute.
- Fig.2 is a vertical, sectional view'of the parts shown in Fig. 1 taken along thediiie 22, a j
- Fig. 3 is a vertical, longitudinal, sectional view to an enlarged scale through one, of the rollers shown in Fig. 1, taken along the line 33, F ig; 4, is a front elevation to an enlarged scale, ofone of the bearing brackets employed to support the bearings for the rollers, and
- Fig. 5 is a sectional view'toa further en'- larged scale, of a part of the construction shown in Fig. 3, taken alongthe line i Similar numerals refer to similar parts throughout the several views.”
- a sluiceway is illustrated at 10, in which a mixture'of water and solidmaterial is flowing in the direction indicated by the arrowvll'.
- a plurality of rollers 12 ofresilient' material are mounted transversely of the sluiceway lO'across its bottom, so that the solid pieces and particles above a predetermined size,flowing down the sluiceway 10 will pass over the rollers.
- rollers 12 are supported to turn freely in suitable bearings carried by bearing brackets 14, secured to the sides of the sluiceway 10 in any suitable manner not shown.
- the rollers 12 are each provided with a plurality of grooves 12a for receiving the relatively fine solid material intended to pass through the screen, and the rollers are preferably separated by an amount substantially equal to the width of the grooves 12a, As illustrated in Fig. 2, fingers 15 are mounted below the rollers 12 in the grooves 12a to remove from the grooves, pieces or particles of solid material that may be deposited in the pieces of solid material down the sluiceway As a result, the engagement of the large pieces of material with the rollers, causes them to rotate in the directions indicated by the arrows in Fig.
- this rotation serves two purposes; first, abrasion of the rollers is avoided, since they move with the solid material engaging them, and second, the ro, tation impartedto the rollers, carries the finer solid material in the grooves 120;, through the screen for engagement with the fingers 15, by which the finer solid material is removed from the rollers and delivered to the trough 13.
- Each of the rollers 12 is preferably constructed as shown in Fig. 3.
- a. lurality of disks 12b of resilient material, or example soft rubber, are mountedonashaft 16, these disks being held in spaced relation by intermediate, disks 120 which preferably are thinner than the disks 12b and, of smaller diameter than said disks 12b.
- the disks 120 are preferably of resilient material, forexample soft rubber, although if desired they may be of rigid material, for
- each of the ngers 15 is supported on the shaft 21 separately from the other fingers on said shaft, to the end that the fingers may be moved longitudinally on the shaft 21 to accommodate different thicknesses of the disks 125.
- a filler plate 28 is preferably disposed, to receive the clamping pressure of the screws 29 threaded through the bent bar 26 to tightly clamp the parts in the channels in the bars 14,
- each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of'athickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disks being mount,- ed coaxially and alternately on said shaft,
- each of said rollers consisting of a plurality of first disksof resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disksbeing mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks, bearing plates for each of said shafts, channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearing plates, members across the ends of said bars holding them in parallel relation,
- each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size in tended to pass through the screen, a supporting shaft, said first disks. and said second disks being mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks, bearing plates for each of said shafts, channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearing plates,
- each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disks being mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, and bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks.
- channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearingplates, members across the ends of'said bars holding them in parallel relation, and clamping devices for holding said bearing plates and said filler plates tightly against each other.
- each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces ofmaterial of largest size intended to pass through the screen, a shaft for each of said rollers supporting said first and second disks in alternatearrangement thereon, means ca'rired by each of said shafts for holding the corresponding disks thereon, and bearings supporting said rollers in parallel relation.
- each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a shaft for each of said rollers supporting said first and second disks in alternate arrangement thereon, means carried by each of said shafts for holding the corresponding disks thereon, and bearings supporting said rollers in parallel relation.
Description
Feb. 28, 1933. c. B. ULRICH 1,899,737
RESI LIENT GRIZZLY AND SCREEN Filed May 26, 1930 Jjyi.
INVENTOR- CHARLES B. ULRICH ATTY.
Patented Feb. 28, 1933 UNITED STATES CHARLES B. ULRICH, OF JAMESTOWN, NEW YORK RESILIENT GRIZZLY AND SCREEN Application filed May 26,
My invention relates to an improved form of screen for separating or classifying mixed material containing solid pieces or particles of different sizes, so that pieces or particles up to a iven size will pass through the screen and pieces or particles of larger size will be delivered from another portion of the screen Without passing through it, my screen consisting essentially of rollers of resilient material which may be provided with grooves of substantially the width of the pieces or particles to pass through the screen, and separated from each other, preferably, by a distance substantially equal to the width 5 of the grooves. While my improved screen construction is adapted for use for many purposes, it is particularly applicable for use as a grizzly in placer mining, for separating fine material from coarse material contained in the mixed water and solid material resulting from placer mining.
In connection with placer mining, the mixture of water and solid material may contain large pieces of rock which have little or no 5 value, and in addition, considerable fine material of a solid nature which it is desired to separate from the coarser material, and to treat in one way or another to recover the precious metals therefrom. My improved screen construction is particularly adapted to handle the solid material referred to, since the resilient nature of the rollers protects from them appreciable wear bythe pieces of rock passing over them, and at the same time 5 the resilient material of the'rollers permits solid pieces which are slightly larger than the desired size to be screened out by the device, to pass through the rollers or between them, whereas if the rollers were of rigid 0 material, pieces of this particular size would frequently clog the screen and reduce its efficiency.
By my invention I further provide a con struction of roller such that the roller may be built-up in sections, to the end that the grooves in the rollers may be given any desired width and depth, although ifpreferred the roller may be molded in a single piece,
. with grooves of the desired size formed in it.
In addition, Iprovide cleaning fingers which 1930. Serial No. 455,593.
enter the grooves and remove from them the solid .material I :carried by said grooves through the screen. The resilient rollers are preferably mounted on ball bearings so that they will turn freely,:and in this manner cf fectively carry the fine" solid 'material deposited in their grooves,'through the screen so that the same may be removed by said fingers. V
My invention will best be understood by reference to the accompanying drawing showing a preferred embodiment thereof, in which f Fig. 1 illustrates my improved screen applied in plan view to a sluiceway to constitute. a grizzly, p v
Fig.2 is a vertical, sectional view'of the parts shown in Fig. 1 taken along thediiie 22, a j
Fig. 3 is a vertical, longitudinal, sectional view to an enlarged scale through one, of the rollers shown in Fig. 1, taken along the line 33, F ig; 4, is a front elevation to an enlarged scale, ofone of the bearing brackets employed to support the bearings for the rollers, and
Fig. 5 is a sectional view'toa further en'- larged scale, of a part of the construction shown in Fig. 3, taken alongthe line i Similar numerals refer to similar parts throughout the several views."
As shown in Figs. 1' and2, a sluiceway is illustrated at 10, in which a mixture'of water and solidmaterial is flowing in the direction indicated by the arrowvll'. A plurality of rollers 12 ofresilient' materialare mounted transversely of the sluiceway lO'across its bottom, so that the solid pieces and particles above a predetermined size,flowing down the sluiceway 10 will pass over the rollers. and cause them to rotate, while pieces or particles 7 of the solid material which are smaller than the predetermined size and are flowing adja'cent the bottom of the sluiceway, will pass btween and through the rollers, togetherwith a certain quantity of the water flowing through the sluiceway, into atrough 13 by which the so derivedundercurrents may be led to any desired point for subsequent treatment. The rollers 12 are supported to turn freely in suitable bearings carried by bearing brackets 14, secured to the sides of the sluiceway 10 in any suitable manner not shown. The rollers 12 are each provided with a plurality of grooves 12a for receiving the relatively fine solid material intended to pass through the screen, and the rollers are preferably separated by an amount substantially equal to the width of the grooves 12a, As illustrated in Fig. 2, fingers 15 are mounted below the rollers 12 in the grooves 12a to remove from the grooves, pieces or particles of solid material that may be deposited in the pieces of solid material down the sluiceway As a result, the engagement of the large pieces of material with the rollers, causes them to rotate in the directions indicated by the arrows in Fig. 2, and this rotation serves two purposes; first, abrasion of the rollers is avoided, since they move with the solid material engaging them, and second, the ro, tation impartedto the rollers, carries the finer solid material in the grooves 120;, through the screen for engagement with the fingers 15, by which the finer solid material is removed from the rollers and delivered to the trough 13.
Each of the rollers 12 is preferably constructed as shown in Fig. 3. As shown in this figure, a. lurality of disks 12b of resilient material, or example soft rubber, are mountedonashaft 16, these disks being held in spaced relation by intermediate, disks 120 which preferably are thinner than the disks 12b and, of smaller diameter than said disks 12b. The disks 120 are preferably of resilient material, forexample soft rubber, although if desired they may be of rigid material, for
example metal. Outside of the end disks 12b, metal disks 12d are placed on the shaft 16, the entireassembly being pressed together by nuts ll' engaging threaded portions near the ends of the shaft 16. Outside of the nuts 17, the shaft 16 is of reduced diameter as shown at 1 6a,to receive ball bearings 18 supported in mounting plates 19 of rectangular form, which plates-19 are in turn supported at their upper and'low-er edges by channels in sup porting bars 14. constituting the framework of the bearing brackets .above referred to. The lowerbars 14, have secured to their outer side walls, brackets 20 supporting below the roller, a shaft 21 extending substantially parallel with the shaft 16 to support the finere-15, It will be noted that each of the ngers 15 is supported on the shaft 21 separately from the other fingers on said shaft, to the end that the fingers may be moved longitudinally on the shaft 21 to accommodate different thicknesses of the disks 125. As
era-bly provided with set screws 24 for rigidly holding the shaft 21 in said brackets 20.
As shown in Fig. 4, the bars 14 forming the framework of either of the bearing brackets,
are held together at their ends by bent bars 25 and 26 by suitable screws as indicated. To provide any desired separation between the rollers 12, the plates 19 are held in spaced relation by filler plates 27 inthe channels in the bars 14, and adjacent the bent bar 26, a filler plate 28 is preferably disposed, to receive the clamping pressure of the screws 29 threaded through the bent bar 26 to tightly clamp the parts in the channels in the bars 14,
against each other and against the bent bar 25. VJhen it isdesired to change the spacing of'the rollers from each other, thescrews 29 are loosened, the bent bar 26 is loosened and. swung from the ends of the channeled bars 14, permitting the filler plates and the mounting plates 19 to be moved from the bearing bracket and other filler plates to be inserted as required to give the desired separation of the rollers.
lVhile I have shown my invention in the particular embodiment above described, it will be understood that I do not limit myself to this exact construction as I may employ equivalents known to the art at the time of the filing of this application without departing fromthe scope of the appended claims. IVhat I claim is:
1. In a screen, the combination of a plurality of rollers, each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of'athickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disks being mount,- ed coaxially and alternately on said shaft,
nuts on said shaft holding said disks tightly.
together, and bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks. 7
2. In a screen, the combination of a plurality of rollers, each of said rollers consisting of a plurality of first disksof resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disksbeing mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks, bearing plates for each of said shafts, channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearing plates, members across the ends of said bars holding them in parallel relation,
and claimping devices for holding said bear-' ing plates and said filler plates tightly against each other.
3. In a screen, the combination of a plurality of rollers, each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size in tended to pass through the screen, a supporting shaft, said first disks. and said second disks being mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks, bearing plates for each of said shafts, channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearing plates,
4 members across the ends of said bars holding them in parallel relation, and clamping devices for holding said bearing plates and said filler lates tightly against each other, said shaft earings comprising ball-bearings carried by said bearing plates. 7
4. In a screen, the combination of a plurality of rollers, each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a supporting shaft, said first disks and said second disks being mounted coaxially and alternately on said shaft, nuts on said shaft holding said disks tightly together, and bearings supporting said shaft, said rollers being separated substantially the thickness of said second disks.
5. In a screen, the combination of a plu-' the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, shafts supporting said rollers, bearing plates for each of said, shafts,
channelled bars supporting opposite edges of said plates, filler plates supported by said bars between said bearingplates, members across the ends of'said bars holding them in parallel relation, and clamping devices for holding said bearing plates and said filler plates tightly against each other.
6. In a screen, the combination of a plu rality of rollers, each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of resilient material of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces ofmaterial of largest size intended to pass through the screen, a shaft for each of said rollers supporting said first and second disks in alternatearrangement thereon, means ca'rired by each of said shafts for holding the corresponding disks thereon, and bearings supporting said rollers in parallel relation.
7. In a screen, the combination of a plurality of rollers, each of said rollers consisting of a plurality of first disks of resilient material of substantially the same diameter and thickness, a plurality of second disks of smaller diameter than said first disks and of a thickness substantially equal to the maximum smallest dimension of pieces of material of largest size intended to pass through the screen, a shaft for each of said rollers supporting said first and second disks in alternate arrangement thereon, means carried by each of said shafts for holding the corresponding disks thereon, and bearings supporting said rollers in parallel relation.
In Witness whereof, I hereunto subscribe my name this 23rd day of May, A. D. 1930.
CHARLES B. ULRICH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US455593A US1899737A (en) | 1930-05-26 | 1930-05-26 | Resilient grizzly and screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US455593A US1899737A (en) | 1930-05-26 | 1930-05-26 | Resilient grizzly and screen |
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US1899737A true US1899737A (en) | 1933-02-28 |
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US455593A Expired - Lifetime US1899737A (en) | 1930-05-26 | 1930-05-26 | Resilient grizzly and screen |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2483507A (en) * | 1945-11-10 | 1949-10-04 | Riviera Packing Company | Fish grading and separating apparatus |
US2670846A (en) * | 1947-12-11 | 1954-03-02 | George W Rienks | Apparatus for screening sugar beets and the like |
US2727624A (en) * | 1951-07-23 | 1955-12-20 | Dewitt E Neibel | Grading machine |
US2830703A (en) * | 1955-01-12 | 1958-04-15 | Theodore J Laase | Drill sorting and sizing machine |
US2879888A (en) * | 1956-05-28 | 1959-03-31 | Raymond L Miller | Wobble disc for fruit sizing machine |
EP0198787A2 (en) * | 1985-04-17 | 1986-10-22 | Beloit Corporation | Disk screen or like shaft assemblies and method of making the same |
US4741444A (en) * | 1987-01-08 | 1988-05-03 | Beloit Corporation | Disc module spacer improvement |
US4871073A (en) * | 1987-10-02 | 1989-10-03 | National Ecology, Inc. | Disc screen separator device |
US5163564A (en) * | 1991-03-18 | 1992-11-17 | Beloit Technologies, Inc. | Disc screen with controlled interfacial openings |
US20080116119A1 (en) * | 2006-11-22 | 2008-05-22 | Albert Ben Currey | Mechanical bucket |
US7549544B1 (en) | 2006-11-22 | 2009-06-23 | Albert Ben Currey | Agitator and mechanical bucket for use therewith |
US20110108467A1 (en) * | 2009-11-11 | 2011-05-12 | Emerging Acquisitions, Llc | Multi-diameter disc assembly for material processing screen |
US8360249B1 (en) | 2006-11-22 | 2013-01-29 | Albert Ben Currey | Crusher and mechanical bucket for use therewith |
US10111385B2 (en) | 2016-06-24 | 2018-10-30 | Jackrabbit | Nut harvester with separating disks |
US10307793B2 (en) | 2016-04-22 | 2019-06-04 | Emerging Acquisitions, Llc | Reusable material handling disc for recovery and separation of recyclable materials |
US11432463B2 (en) | 2019-02-08 | 2022-09-06 | Jackrabbit, Inc. | Nut harvester with a removable assembly and a method of replacing a removable assembly of a nut harvester |
-
1930
- 1930-05-26 US US455593A patent/US1899737A/en not_active Expired - Lifetime
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2483507A (en) * | 1945-11-10 | 1949-10-04 | Riviera Packing Company | Fish grading and separating apparatus |
US2670846A (en) * | 1947-12-11 | 1954-03-02 | George W Rienks | Apparatus for screening sugar beets and the like |
US2727624A (en) * | 1951-07-23 | 1955-12-20 | Dewitt E Neibel | Grading machine |
US2830703A (en) * | 1955-01-12 | 1958-04-15 | Theodore J Laase | Drill sorting and sizing machine |
US2879888A (en) * | 1956-05-28 | 1959-03-31 | Raymond L Miller | Wobble disc for fruit sizing machine |
EP0198787A2 (en) * | 1985-04-17 | 1986-10-22 | Beloit Corporation | Disk screen or like shaft assemblies and method of making the same |
EP0198787A3 (en) * | 1985-04-17 | 1989-03-01 | Beloit Corporation | Disk screen or like shaft assemblies and method of making the same |
US4741444A (en) * | 1987-01-08 | 1988-05-03 | Beloit Corporation | Disc module spacer improvement |
US4871073A (en) * | 1987-10-02 | 1989-10-03 | National Ecology, Inc. | Disc screen separator device |
US5163564A (en) * | 1991-03-18 | 1992-11-17 | Beloit Technologies, Inc. | Disc screen with controlled interfacial openings |
US20080116119A1 (en) * | 2006-11-22 | 2008-05-22 | Albert Ben Currey | Mechanical bucket |
US7445122B2 (en) | 2006-11-22 | 2008-11-04 | Albert Ben Currey | Mechanical bucket |
US7549544B1 (en) | 2006-11-22 | 2009-06-23 | Albert Ben Currey | Agitator and mechanical bucket for use therewith |
US8360249B1 (en) | 2006-11-22 | 2013-01-29 | Albert Ben Currey | Crusher and mechanical bucket for use therewith |
US20110108467A1 (en) * | 2009-11-11 | 2011-05-12 | Emerging Acquisitions, Llc | Multi-diameter disc assembly for material processing screen |
EP2322288A3 (en) * | 2009-11-11 | 2013-03-06 | Emerging Acquisitions, Llc | Multi-diameter disc assembly for material processing screen |
US8424684B2 (en) | 2009-11-11 | 2013-04-23 | Emerging Acquisitions, LLC. | Multi-diameter disc assembly for material processing screen |
US10307793B2 (en) | 2016-04-22 | 2019-06-04 | Emerging Acquisitions, Llc | Reusable material handling disc for recovery and separation of recyclable materials |
US10111385B2 (en) | 2016-06-24 | 2018-10-30 | Jackrabbit | Nut harvester with separating disks |
US11432463B2 (en) | 2019-02-08 | 2022-09-06 | Jackrabbit, Inc. | Nut harvester with a removable assembly and a method of replacing a removable assembly of a nut harvester |
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