US966578A - Screen for threshing-machines. - Google Patents

Screen for threshing-machines. Download PDF

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Publication number
US966578A
US966578A US42815408A US1908428154A US966578A US 966578 A US966578 A US 966578A US 42815408 A US42815408 A US 42815408A US 1908428154 A US1908428154 A US 1908428154A US 966578 A US966578 A US 966578A
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Prior art keywords
screen
bars
frame
threshing
secured
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US42815408A
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Sherman P Murphy
Daniel H Seale
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    • 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
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/48—Stretching devices for screens

Definitions

  • Our invention relates to improvements in screens or sieves for threshing machines.
  • One object of the invention is to provide a screen of this character especially adapted for separating alfalfa and other small seed.
  • Another object of the invention is to provide a screen of this character which will be simple and inexpensive in construction and at the same time very strong and durable.
  • FIG. 1 is a perspective view of our improved screen
  • Fig. 2 is a bottom plan view
  • Figs. 3 and 4 are longitudinal and transverse sectional views
  • Figs. 5 and 6 are detail perspective views of the metal reinforcing plates at. the corners of the body of the screen.
  • ()ur improved screen comprises an open body or frame 1 preferably of rectangular form and over the top of which is stretched andsuitably secured upper and lower layers of woven wire 2, 3;
  • the upper layer 2 is of very fine mesh to especially adapt the screen for use in separating alfalfa and other small seed.
  • the lower layer or covering 3 is composed of woven wire of very large or coarse mesh and is adapted to effectively support the upper layer 2.
  • the frame 1 may preferably make it rectangular in shape and of two longitudinal side bars 4 and two transverse end bars 5, the ends of said bars being recessed to fit each other and suitably secured by nails, screws, or other fastenings.
  • the frame is also provided with one or more longitudinal reinforcing bars 7 arranged between the end bars 5, as shown more clearly in Figs. 2 and 3. Said intermediate reinbe of any suitable form and construction, as above noted, we.
  • Said frame isfurther reinforced and strengthened at its four corners by metallic plates 8, 8-9, 9.
  • the plates 8, 8 are arranged at the corners of the front end of the frame and each is of substantially U-shape having an upper triangular portion 10 to rest upon :the top of the frame, a lower right angular portion 11 to engage the bottom of the frame and an upright connecting portion 12 toengage the end of the frame. These plates 8 are secured by nails or other suitable fastenings.
  • the plates 9 are secured upon the bottom of the frame at its rear end and are right angular in shape, each being of L-form and having a long arm or portion 13 secured to the bottom of one of the side bars 4 and a short arm or portion 14 secured to the bottom of the end bar 5 and formed at a suitable point on its'outer edge with an upwardly bent loop or eye 15.
  • the outer edges of the portions 13 of the plates 9 are also formed with notches or recesses 16 to register with similar shaped notches or recesses 17 formed in the outer edges of the side-bars 4, of the frame, said notches or recesses and the eyes or loops 15 being provided to mount the screen in the threshing machine.
  • While the screen or woven wire layers or coverings may be secured upon the top of the frame in any suitable manner, we preferably effect the same by providing upon the top of the end bars'5 metal plates 18 which overlap the ends of the layers or screens to retain themupon the frame.
  • a screen frame of the character described comprising side and end bars, the side bars having recesses in their outer faces, a plurality of layers of screen material having their margina edges contacting with the upper faces of all of said bars, metallic strips secured to said bars and over the edges of the screen material, plates secured to the cornersof one end of the frame, the metallic strips of the side bars having edge recesses which register with the recesses in the side bars, L-shaped plates for the other corners of the frame which are secured to the under sides of the side bars and to one of the end bars, said plateshaving edge notches in their longer arms whlch reg1ster.with the recesses of t e side bars and metallic strips, and the shorter arms of said plates having eyes formed thereon, and projecting rearwardly therefrom, substantially as specified.

Description

s. RMURPHY. & 1). H. SEALEI SCREEN FOR THRESHING MACHINES.
APPLICATION FILED APR. 20, 1908.
Patented Aug. 9, 1910.
wugnto ze dummy r one SHERMAN .P. MURPHY AND DANIEL H. SEALE, OF BERLIN, OKLAHOMA.
SCREEN FOR THRESHING-MACHINES.
Specification of Letters Patent.
Patented Aug. 9, 1910.
Application filed April 20, 1908. Serial No. 428,154.
To all whom it may concern:
Be it known that we, SHERMAN P. MURPHY and DANIELH. SEALE, citizens of the United States, residing at Berlin, in the county of Roger Mills and State of Oklahoma, have invented certain new and useful Improvements in Screens for Threshing-Machines, of which the following is a specification, reference being bad to the accompanying drawmgs.
Our invention relates to improvements in screens or sieves for threshing machines.
One object of the invention is to provide a screen of this character especially adapted for separating alfalfa and other small seed.
Another object of the invention is to provide a screen of this character which will be simple and inexpensive in construction and at the same time very strong and durable.
With the above and. other objects in view, the invention consists of the novel features of construction and the combination and arrangement of parts hereinafter fully described and claimed and illustrated in the accompanying drawings, in which- Figure 1 is a perspective view of our improved screen; Fig. 2 is a bottom plan view; Figs. 3 and 4 are longitudinal and transverse sectional views; and Figs. 5 and 6 are detail perspective views of the metal reinforcing plates at. the corners of the body of the screen.
()ur improved screen comprises an open body or frame 1 preferably of rectangular form and over the top of which is stretched andsuitably secured upper and lower layers of woven wire 2, 3; The upper layer 2 is of very fine mesh to especially adapt the screen for use in separating alfalfa and other small seed. The lower layer or covering 3 is composed of woven wire of very large or coarse mesh and is adapted to effectively support the upper layer 2.
lVhile the frame 1 may preferably make it rectangular in shape and of two longitudinal side bars 4 and two transverse end bars 5, the ends of said bars being recessed to fit each other and suitably secured by nails, screws, or other fastenings. The frame is also provided with one or more longitudinal reinforcing bars 7 arranged between the end bars 5, as shown more clearly in Figs. 2 and 3. Said intermediate reinbe of any suitable form and construction, as above noted, we.
forcing bars 7 are notched to receive the bars 5 and to permit the upper edges of said bars 7 to bear against the bottom face of the lower screen layer 3 to prevent the same from, sagging or dropping down, as shown more clearly in Fig. 4. Said frame isfurther reinforced and strengthened at its four corners by metallic plates 8, 8-9, 9. The plates 8, 8 are arranged at the corners of the front end of the frame and each is of substantially U-shape having an upper triangular portion 10 to rest upon :the top of the frame, a lower right angular portion 11 to engage the bottom of the frame and an upright connecting portion 12 toengage the end of the frame. These plates 8 are secured by nails or other suitable fastenings. The plates 9 are secured upon the bottom of the frame at its rear end and are right angular in shape, each being of L-form and having a long arm or portion 13 secured to the bottom of one of the side bars 4 and a short arm or portion 14 secured to the bottom of the end bar 5 and formed at a suitable point on its'outer edge with an upwardly bent loop or eye 15. The outer edges of the portions 13 of the plates 9 are also formed with notches or recesses 16 to register with similar shaped notches or recesses 17 formed in the outer edges of the side-bars 4, of the frame, said notches or recesses and the eyes or loops 15 being provided to mount the screen in the threshing machine.
While the screen or woven wire layers or coverings may be secured upon the top of the frame in any suitable manner, we preferably effect the same by providing upon the top of the end bars'5 metal plates 18 which overlap the ends of the layers or screens to retain themupon the frame. We also secure upon the top of each of the side bars 4 longitudinal retainin strips 19 which overlap the side edges of said layers or screens and retain them upon the side bars 4. We also preferably provide intermediate longitudinal fastenin strips 20 arranged upon the tops of said ayers or screens and secured to the tops of .the longitudinal reinforcing and ippporting bars 7, as shown more clearly in From the foregoing it will be seen that. our invention provides a threshing machine screen which is strong and durable and especially adapted for handling alfalfa and other small seed.
Having thusdescribed our invention what we claim is: I
A screen frame of the character described comprising side and end bars, the side bars having recesses in their outer faces, a plurality of layers of screen material having their margina edges contacting with the upper faces of all of said bars, metallic strips secured to said bars and over the edges of the screen material, plates secured to the cornersof one end of the frame, the metallic strips of the side bars having edge recesses which register with the recesses in the side bars, L-shaped plates for the other corners of the frame which are secured to the under sides of the side bars and to one of the end bars, said plateshaving edge notches in their longer arms whlch reg1ster.with the recesses of t e side bars and metallic strips, and the shorter arms of said plates having eyes formed thereon, and projecting rearwardly therefrom, substantially as specified.
In testimony whereof we hereunto afiix our signatures in the presence of two witnesses.
SHERMAN P. MURPHY. DANIEL H. SEALE.
Witnesses:
E. L. MARTIN, ERNEST MCKEOWN.
US42815408A 1908-04-20 1908-04-20 Screen for threshing-machines. Expired - Lifetime US966578A (en)

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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215562A (en) * 1961-12-22 1965-11-02 Air Prod & Chem Fuel cell with screen electrodes
US4819809A (en) * 1985-09-09 1989-04-11 Derrick Manufacturing Corporation Reinforced polyurethane vibratory screen
US5221008A (en) * 1990-05-11 1993-06-22 Derrick Manufacturing Corporation Vibratory screening machine and non-clogging wear-reducing screen assembly therefor
US5417858A (en) * 1993-01-13 1995-05-23 Derrick Manufacturing Corporation Screen assembly for vibrating screening machine
US5417793A (en) * 1993-01-13 1995-05-23 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US5490598A (en) * 1994-03-30 1996-02-13 Drexel Oilfield Services, Inc. Screen for vibrating separator
US5673797A (en) * 1995-03-29 1997-10-07 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine and method of fabrication thereof
US5921399A (en) * 1996-06-07 1999-07-13 Derrick Corporation Gumbo separator
US5958236A (en) * 1993-01-13 1999-09-28 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US5971159A (en) * 1993-04-30 1999-10-26 Tuboscope I/P, Inc. Screen assembly for a vibratory separator
US6000556A (en) * 1993-01-13 1999-12-14 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
US6029824A (en) * 1994-03-30 2000-02-29 Tuboscope I/P, Inc. Screen for vibrating separator
USD425531S (en) * 1999-03-29 2000-05-23 Tuboscope I/P, Inc. Screen
US6152307A (en) * 1993-04-30 2000-11-28 Tuboscope I/P, Inc. Vibratory separator screens
US6220448B1 (en) 1995-03-29 2001-04-24 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
US6267247B1 (en) 1993-04-30 2001-07-31 Tuboscope I/P, Inc. Vibratory separator screen
US6269953B1 (en) 1993-04-30 2001-08-07 Tuboscope I/P, Inc. Vibratory separator screen assemblies
US6283302B1 (en) 1993-08-12 2001-09-04 Tuboscope I/P, Inc. Unibody screen structure
US6290068B1 (en) 1993-04-30 2001-09-18 Tuboscope I/P, Inc. Shaker screens and methods of use
US6325216B1 (en) 1993-04-30 2001-12-04 Tuboscope I/P, Inc. Screen apparatus for vibratory separator
US6371302B1 (en) 1993-04-30 2002-04-16 Tuboscope I/P, Inc. Vibratory separator screens
US6401934B1 (en) 1993-04-30 2002-06-11 Tuboscope I/P, Inc. Ramped screen & vibratory separator system
US6443310B1 (en) 1993-04-30 2002-09-03 Varco I/P, Inc. Seal screen structure
US6450345B1 (en) 1993-04-30 2002-09-17 Varco I/P, Inc. Glue pattern screens and methods of production
US6454099B1 (en) 1993-04-30 2002-09-24 Varco I/P, Inc Vibrator separator screens
US6565698B1 (en) 1993-04-30 2003-05-20 Varco I/P, Inc. Method for making vibratory separator screens
US6607080B2 (en) 1993-04-30 2003-08-19 Varco I/P, Inc. Screen assembly for vibratory separators
US6629610B1 (en) 1993-04-30 2003-10-07 Tuboscope I/P, Inc. Screen with ramps for vibratory separator system
US6669985B2 (en) 1998-10-30 2003-12-30 Varco I/P, Inc. Methods for making glued shale shaker screens
US6722504B2 (en) 1993-04-30 2004-04-20 Varco I/P, Inc. Vibratory separators and screens
US20040074820A1 (en) * 1999-04-26 2004-04-22 Kirk Sawall Sieve bed for a sifting machine
US6726029B2 (en) 2002-06-12 2004-04-27 Varco I/P, Inc. Separator screen with solids conveying end area
US6736270B2 (en) 1998-10-30 2004-05-18 Varco I/P, Inc. Glued screens for shale shakers
US6932883B2 (en) 1998-10-30 2005-08-23 Varco I/P, Inc. Screens for vibratory separators
US20050247604A1 (en) * 2004-05-05 2005-11-10 M-I L.L.C. Screen and screen frame for improved screen to shaker placement, handling and retention
US7520391B2 (en) 1999-12-04 2009-04-21 Varco I/P, Inc. Screen assembly for vibratory separator
RU2543393C2 (en) * 2010-04-19 2015-02-27 Деррик Корпорейшн Polyurethane vibrating screen

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215562A (en) * 1961-12-22 1965-11-02 Air Prod & Chem Fuel cell with screen electrodes
US4819809A (en) * 1985-09-09 1989-04-11 Derrick Manufacturing Corporation Reinforced polyurethane vibratory screen
US5221008A (en) * 1990-05-11 1993-06-22 Derrick Manufacturing Corporation Vibratory screening machine and non-clogging wear-reducing screen assembly therefor
US6564947B2 (en) 1993-01-13 2003-05-20 Derrick Manufacturing Corporation Method of screening material utilizing a plurality of undulating screen assemblies
US5417793A (en) * 1993-01-13 1995-05-23 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US5417859A (en) * 1993-01-13 1995-05-23 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US5958236A (en) * 1993-01-13 1999-09-28 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine and method of fabrication thereof
US5417858A (en) * 1993-01-13 1995-05-23 Derrick Manufacturing Corporation Screen assembly for vibrating screening machine
US5720881A (en) * 1993-01-13 1998-02-24 Derrick Manufacturing Corporation Screen assembly for vibrating screening machine
US5783077A (en) * 1993-01-13 1998-07-21 Derrick Manufacturing Corporation Undulating screen for vibratory screening machine
US5868929A (en) * 1993-01-13 1999-02-09 Derrick Manufacturing Corporation Screen assembly for vibrating screening machine
US5876552A (en) * 1993-01-13 1999-03-02 Derrick Manufacturing Corporation Method of fabricating screen for vibratory screening machine
US6340089B1 (en) 1993-01-13 2002-01-22 Derrick Manufacturing Corporation Method of fabricating undulating screen for vibratory screening machine
US6000556A (en) * 1993-01-13 1999-12-14 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
US5944993A (en) * 1993-01-13 1999-08-31 Derrick Manufacturing Corporation Screen assembly for vibrating screening machine
US6565698B1 (en) 1993-04-30 2003-05-20 Varco I/P, Inc. Method for making vibratory separator screens
US6443310B1 (en) 1993-04-30 2002-09-03 Varco I/P, Inc. Seal screen structure
US6722504B2 (en) 1993-04-30 2004-04-20 Varco I/P, Inc. Vibratory separators and screens
US6629610B1 (en) 1993-04-30 2003-10-07 Tuboscope I/P, Inc. Screen with ramps for vibratory separator system
US6607080B2 (en) 1993-04-30 2003-08-19 Varco I/P, Inc. Screen assembly for vibratory separators
US6032806A (en) * 1993-04-30 2000-03-07 Tuboscope I/P, Inc. Screen apparatus for vibratory separator
US6530483B2 (en) 1993-04-30 2003-03-11 Varco I/P, Inc. Unibody structure for screen assembly
US6454099B1 (en) 1993-04-30 2002-09-24 Varco I/P, Inc Vibrator separator screens
US6152307A (en) * 1993-04-30 2000-11-28 Tuboscope I/P, Inc. Vibratory separator screens
US6450345B1 (en) 1993-04-30 2002-09-17 Varco I/P, Inc. Glue pattern screens and methods of production
US6267247B1 (en) 1993-04-30 2001-07-31 Tuboscope I/P, Inc. Vibratory separator screen
US6269953B1 (en) 1993-04-30 2001-08-07 Tuboscope I/P, Inc. Vibratory separator screen assemblies
US5971159A (en) * 1993-04-30 1999-10-26 Tuboscope I/P, Inc. Screen assembly for a vibratory separator
US6290068B1 (en) 1993-04-30 2001-09-18 Tuboscope I/P, Inc. Shaker screens and methods of use
US6302276B1 (en) 1993-04-30 2001-10-16 Tuboscope I/P, Inc. Screen support strip for use in vibratory screening apparatus
US6325216B1 (en) 1993-04-30 2001-12-04 Tuboscope I/P, Inc. Screen apparatus for vibratory separator
US6401934B1 (en) 1993-04-30 2002-06-11 Tuboscope I/P, Inc. Ramped screen & vibratory separator system
US6371302B1 (en) 1993-04-30 2002-04-16 Tuboscope I/P, Inc. Vibratory separator screens
US6283302B1 (en) 1993-08-12 2001-09-04 Tuboscope I/P, Inc. Unibody screen structure
US6029824A (en) * 1994-03-30 2000-02-29 Tuboscope I/P, Inc. Screen for vibrating separator
US5490598A (en) * 1994-03-30 1996-02-13 Drexel Oilfield Services, Inc. Screen for vibrating separator
US6220448B1 (en) 1995-03-29 2001-04-24 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine
US6153041A (en) * 1995-03-29 2000-11-28 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine and method of fabrication thereof
US5888336A (en) * 1995-03-29 1999-03-30 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine and method of fabrication thereof
US5673797A (en) * 1995-03-29 1997-10-07 Derrick Manufacturing Corporation Screen assembly for vibratory screening machine and method of fabrication thereof
US5988397A (en) * 1996-02-12 1999-11-23 Tuboscope I/P, Inc. Screen for vibratory separator
US5921399A (en) * 1996-06-07 1999-07-13 Derrick Corporation Gumbo separator
US6669985B2 (en) 1998-10-30 2003-12-30 Varco I/P, Inc. Methods for making glued shale shaker screens
US6736270B2 (en) 1998-10-30 2004-05-18 Varco I/P, Inc. Glued screens for shale shakers
US6932883B2 (en) 1998-10-30 2005-08-23 Varco I/P, Inc. Screens for vibratory separators
USD425531S (en) * 1999-03-29 2000-05-23 Tuboscope I/P, Inc. Screen
US20040074820A1 (en) * 1999-04-26 2004-04-22 Kirk Sawall Sieve bed for a sifting machine
US7273151B2 (en) 1999-04-26 2007-09-25 Durex Products, Inc. Sieve bed for a sifting machine
US7520391B2 (en) 1999-12-04 2009-04-21 Varco I/P, Inc. Screen assembly for vibratory separator
US6726029B2 (en) 2002-06-12 2004-04-27 Varco I/P, Inc. Separator screen with solids conveying end area
US20050247604A1 (en) * 2004-05-05 2005-11-10 M-I L.L.C. Screen and screen frame for improved screen to shaker placement, handling and retention
US7210582B2 (en) * 2004-05-05 2007-05-01 M-I L.L.C. Screen and screen frame for improved screen to shaker placement, handling and retention
RU2543393C2 (en) * 2010-04-19 2015-02-27 Деррик Корпорейшн Polyurethane vibrating screen

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