US3877693A - Distributor assembly for sheet sorting device - Google Patents
Distributor assembly for sheet sorting device Download PDFInfo
- Publication number
- US3877693A US3877693A US288674A US28867472A US3877693A US 3877693 A US3877693 A US 3877693A US 288674 A US288674 A US 288674A US 28867472 A US28867472 A US 28867472A US 3877693 A US3877693 A US 3877693A
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- US
- United States
- Prior art keywords
- deflector
- sheet
- deflecting position
- moving
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/58—Article switches or diverters
- B65H29/60—Article switches or diverters diverting the stream into alternative paths
Definitions
- the sheet sorting device includes a distributor for distributing the sheets one at a time or as signatures into multiple individual bins or receiver trays ready for binding or other handling.
- the distributor includes multiple deflector mechanisms which are individually and sequentially triggered from a first position in the path of a moving sheet being conveyed such that, on deflection of the sheets into the bin, the momentum of the moving sheet striking the deflector mechanism initiates movement thereof which, aided by a positive assist force carries it to a second position permitting a subsequent moving sheet to by-pass the bin and strike the deflector mechanism of the successive index position.
- Means are provided for resetting the deflector mechanisms either automatically or manually and for sensing when the last deflector mechanism has been triggered, the sensing means being operatively connected to the reset means.
- This invention relates to a sheet sorting device having a distributor assembly employed therewith for delivering sheets one at a time into a plurality of individual bins or receiver trays.
- Sorting and collating devices such as disclosed in US. Pat. No. 3.356.362 are relatively large in size and dependent upon complex mechanical and electrical components capable of high speed operation. These units generally employ a large number of deflecting stations or receiver bins. Sorter devices are also known which have multiple deflector finger mechanisms to deflect sheets during their course through the machine onto respective shelves or bins. These deflector finger mechanisms are individually and sequentially triggered by solenoid devices or by a tripping bar which progresses from one finger to the next responsive to the passage of each deflected sheet through a control mechanism as disclosed in the US. Pat No. 3.273.882. These units necessarily must include a relatively complex control mechanism and are expensive to manufacture.
- a sheet sorting device employing a traveling single deflector mechanism has been developed as disclosed in US Pat. No. 3.561.753. This deflector mechanism is still dependent. however. on a complex control and indexing system to channel the incoming sheets on the conveyor to the proper receiver bins. It still remains a problem to provide a sheet sorter of relatively small capacity for use with available copiers and duplicators which can be manufactured economically and which furnishes substantially maintenance free operation.
- This invention relates to a sheet sorting device. particularly useful in direct or in line" cooperation with copiers and duplicators. which accepts sheets from a printer. processing machine. feeder. copier. duplicator. or by hand. one sheet at a time or as signatures in multiples ofthe book or document in a plurality of individual bins or receiver trays ready for binding or other handling.
- Another object of this invention is to provide a sheet sorting device employing a deflector finger mechanism adjacent each receiver shelf or bin which is sequentially triggered on impact of a moving sheet deflected into the bin associated with the finger mechanism to permit passage of the next sheet to the subsequent receiver bins.
- Another object of this invention is to provide a sheet sorting device which can handle a fairly wide range of sizes of sheets and weights of paper.
- a further object of this invention is to provide a sheet sorting device having a manually or automatically controlled reset means for the deflector mechanism.
- FIG. I is a partial perspective view of the sorting device illustrating a partial view of the distributor incorporating the deflector finger mechanism of this invention and a partial view of the upright receiver having one or more vertical columns. shelves or bins for storage of sorted sheets of paper or other suitable material delivered thereinto in proper order by the distributor;
- FIG. 2 is a vertical cross-sectional view of FIG. 1;
- FIG. 3 is a partial side view of a reset mechanism for the deflector finger mechanisms of FIG. 1;
- FIG. 4 is a partial side view of a deflector finger mechanism employing an over-center air cam
- FIG. 5 is a partial side view of a deflector finger mechanism employing an over-center spring
- FIG. 6 is a partial perspective view of a deflector mechanism incorporating an over-center elastomeric band
- FIG. 7 is a partial side view of a deflector finger mechanism incorporating an over-center weight.
- FIG. 8 is a perspective view of a sheet sorting device having a distributor incorporating the deflector finger mechanism of this invention.
- the sorting device in general comprises a distributor 10 operating in repeating cycles and an upright receiver 30 mounted at the rear of the distributor and having one or more vertical columns or shelves or bins for storage of sorted sheets of paper 35 or other suitable material delivered thereinto in proper order by the distributor. These shelves are arranged to be fed from the front by the distributor and manually emptied when sorting of the document is complete.
- the various sheets sorted or fed in reverse order by a printer or duplicator (not shown) are delivered one sheet at a time or as signatures onto a table (not shown) at the rear of the distributor. From there they are con veyed rearwardly as indicated by the arrows in FIG.
- the distributor section 10 includes generally a single tape conveyor 11 for conveying sheets and a series of deflector finger mechanisms positioned adjacent each one of the shelves 32 of the receiver 30.
- the conveyor tape 11 (partially illustrated in FIG. 1) is trained about upper and lower drums as disclosed in US. Pat. No. 3.561.753 the disclosure of which is hereby incorporated by reference.
- the lower drum is suitably driven by an electric motor or other suitable power means with the upper drum driven by the conveyor belt 11.
- the belt 11 may be a rubber or plastic impregnated fabric belt or other suitable conventional belting provided with longitudinally staggered or offset perforations 12 along each lateral edge.
- the belt on its vertical course adjacent to bins 32, passes over a vacuum plenum in the form of a hollow rectangular channel 13 closed at its top and back side but open at its front to the underside of the belt 11.
- the chamber 13 is supported as described in U.S. Pat. No. 3561.753 and is connected to a vacuum hose leading from a vacuum pump.
- the conveying assembly may include two parallel tape converyors or a single wide conveyor.
- the sheets 36 entering the infeed section ofthe sheet sorting device are directed downwardly as disclosed in U.S. Pat. No. 3,561,753 onto the vertical course of the conveyor tape ll.
- Flexible bands 14 having one end connected at the upper end of the frame of the sorter and the other at the lower end are provided for holding the downwardly moving sheets against the conveyor tape 11. Two of these tapes 14 are provided in the present embodiment.
- the receiver 30 includes a number of shelves 32 supported in a frame 33. Nose pieces 31 at the front and an integral lip (not shown) at the rear are attached to the frame.
- the nose pieces 31 may be of extruded aluminum and are generally V-shaped in cross-sections with the apex 31c at the front, one horizontal end 31a and one flange 31b sloping downwardly and rearwardly.
- Each of the deflector units Adjacent the entrance of each of the receiver shelves are mounted deflector units.
- Each of the deflector units includes a transverse shaft 16 extending the width of and journalled in the respective ends of the distributor frame 17 for rotation about its axis.
- On each shaft are secured spaced fingers 18.
- Each of the fingers has a forwardly extending surface l8u depicting a partial circumference ofa circle which, in the deflecting position deflects sheets moving downwardly along the conveyor tape I1 into the shelf associated with and adjacent to the deflector unit.
- the deflector fingers are mounted so as to rock between a deflecting position shown in solid lines in FIGS. 4 to 7. In the nondeflecting position the sheets moving down the conveyor tape 11 by-pass the deflector unit.
- the deflector fingers are mounted on shaft 16 such that, on impact of the moving sheet against the upper surface 18a of the deflector fingers in the deflecting position the momentum imparted by the sheets striking the upper surface 18a overcomes the inertia of the finger unit and sets it in clockwise motion.
- the deflector finger unit is assisted in its movement to the non-deflecting position by a positive force acting on the unit. This may be accomplished in a number of ways as shown in FIGS. 1, 2 and 4 to 7, including magnetic catch means (FIGS. 1 and 2), an over-center air cam (FIG. 4), an over-center spring (FIG. 5), an over-center elastomeric band (FIG. 6), or over-center weight.
- the deflector fingers of each unit are adjusted so that the moving sheets striking them are diverted into the bin or shelf associated therewith before the deflector unit moves to the non-deflecting position.
- FIGS. 1 and 2 illustrate the use of magnetic catch means to provide a positive force assisting movement by the deflector unit to the non-deflecting position.
- a magnet 19 is mounted above and forward of the shaft 16 of each deflector unit.
- a paired magnet 20 is secured to the shaft 16 as shown in FIGS. 1 and 2 so that, in the deflecting position, the opposite poles 19a and 20a of the magnets 19 and 20 are sufficiently far apart that there is minimal attraction.
- the deflecting fingers On impact of the moving sheet against the deflector fingers of the deflector unit the deflecting fingers move clockwise bringing the pole 20a of magnet 20 closer to pole 19a of magnet 19 so that the force of attraction between the magnets provides a positive assist to continue the movement of the deflector unit to the non-deflecting position as illustrated by FIG. 2.
- the units are held in the non-deflecting position by magnetic attraction of magnets 19 and 20.
- FIG. 4 An over-center air cam is illustrated in FIG. 4.
- An air conduit 23 provided with spaced nozzles 22 directs pressurized air or other gas against the undersurface of one or more of the deflecting fingers 18 of each deflector unit.
- the undersurface of the deflecting finger 18 is provided with a surface 21a which, relative to the upper surface of the finger slopes downwardly from a point about midway from the leading edge and joins at apex 21b an upwardly and rearwardly sloping surface 210.
- pressurized gas exiting through nozzle 22 impinges against surface 21a with sufficient force to hold the deflector unit in the deflecting position.
- the force exerted against surface 21a is adjusted so that, on impingement of a moving sheet against the upper surface of the deflecting fingers of the unit the momentum imparted to the unit is sufficient to move the apex 21b of the deflecting finger or fingers past the stream of pressurized gas so that the gas then impinges against surface 21b and provides a positive force to continue movement of the deflecting fingers of the unit to the nondeflecting position as illustrated by the dotted lines in FIG. 4.
- one or more of the deflector fingers of each deflector unit has a spring 24 secured between a transverse member 25 and the rear surface ofa deflector finger 18.
- the spring is mounted such that, when the deflector finger unit is in the deflecting position shown in FIG. 5 in solid lines the spring aids in retaining the unit.
- the deflector fingers and shaft move clockwise an amount such that the spring 24 provides a positive force continuing movement of the deflector finger unit to the non-deflecting position shown in dotted lines.
- the size of the spring for the size and weight of paper to be used can be determined by one skilled in the art.
- an elastomeric band 27 is secured between a crank 28 on the end of shaft 16 and a pin 29 secured to the frame 17 to provide a positive assist to continue.
- a weight 37 is secured to the rear of one or more of the deflector fingers of-each deflector unit in a position such that, on initial movement of the deflector finger unit toward the non-deflecting position the center of gravity of the deflector unit is sufficiently changed to provide a positive force to continue movement of the deflector finger unit to the non'deflecting position shown in dotted lines.
- the deflector finger units are reset from the nondeflecting position to the deflecting position by a reset mechanism.
- the reset mechanism illustrated comprises a vertical shaft 34 to which are secured at right angles L-shaped members 35. These members are secured at spaced intervals to the shaft such that when the shaft 16 of each of the deflector units is rotated clockwise to rotate the deflector fingers to the nondeflecting position. the crank end of the shaft 161! as illustrated in FIG. 1 contacts the underside of the L- shaped member as shown in FIG. 3 in dotted lines.
- the vertical shaft is pulled down the respective shafts 16 of each of the deflector finger units is rotated counterclockwise to reposition the deflector fingers of each unit in the deflecting position.
- Resetting the deflector finger units may be accomplished manually or automatically. If automatic operation is desired a sensing mechanism is disposed near the lower one of the shelves in the path of the sheet moving into the last shelf to sense when the last of the deflector finger units has been moved to the non-deflecting position. Once this is sensed the sensor operates a solenoid mechanism or other mechanical orelectrical mechanism to reset the deflecting finger units to their deflecting position for the next cycle. As shown in FIG. 1 the L-shaped members are rotatable in a horizontal plane about the axis of shaft 34 so that predetermined ones of the receiver trays may be by-passed.
- a sheet sorting device for delivering sheets in succession to a plurality of spaced receiver stations comprising;
- each deflector unit opposite each receiver station and adjacent the conveyor.
- each deflector unit having at least one deflector finger carried thereby.
- each deflector unit for movement of its deflector finger between a first deflecting position in the path of the moving sheets being conveyed along the conveyor to deflect a moving sheet into the receiver station associated therewith and a second non-deflecting position permitting a subsequent moving sheet to bypass the receiver station and strike the deflector finger of the deflector unit of the successive station, said mounting means mounting the deflector units such that, upon impact of a moving sheet against the associated deflector fingers. sufficient momentum is imparted thereto to initiate movement thereof to the second position,
- assist means associated with each of the deflector units providing a positive force to assist movement of the associated deflector finger from the deflecting to the non-deflecting position only after initial impact and movement of the deflector unit caused by impact of the moving sheet and reset means to reset selected ones of said deflector units from the non-deflecting position to the deflecting position.
- the assist means includes means directing a pressurized gas to the underside of one or more deflector fingers of the deflector unit, the undersurface of the finger against which the gas is impinged having a configuration such that. in the deflecting position the gas provides a positive force against the finger to retain it in the deflecting position and on impact of a moving sheet causing rotation of the deflector unit. the air provides a positive force to continue movement of the unit to the nondeflecting position.
- the assist means includes a weight mounted on one or more deflector fingers providing a positive force against the deflector finger to retain it in the deflecting position and. on impact ofa moving sheet causing movement of the deflector unit toward the non-deflecting position providing a positive force to continue movement of the deflector unit to the non-deflecting position.
- the sheet sorting device of claim 1 including; control means for operating said reset means.
- said control means including sensing means for sensing the passage of a sheet into a selected one of the stations and operatively connected to activate the reset means.
- said mounting means includes a frame and said deflector unit comprises a shaft rotatably mounted on the frame and extending essentially transverse to its associated receiver station. and a plurality of deflector fingers mounted at spaced intervals on the shaft.
- the assist means includes bias means connected between one or more of the deflector fingers of the deflector unit and the frame providing a positive force against the deflector finger to retain it in the deflecting position and. on impact of a moving sheet causing movement of the deflector unit toward the non-deflecting position, providing a positive force to continue movement of the deflector unit to the non-deflecting position.
- the assist means includes an elastomeric band extending between the frame and the shaft of the deflector unit providing a positive force against the deflector finger to retain it in the deflecting position and. on impact of a moving sheet causing movement of the deflector unit toward the non-deflecting position. providing a positive force to continue movement of the deflector unit to the non-deflecting position.
- a sheet sorting device for deliverying sheets in succession to a plurality of spaced receiver stations comprising;
- sheet conveyor means for moving sheets along a course of travel opposite said receiver station.
- deflector units located in said course of travel associated with each receiver station.
- each deflector unit mounting means mounting each deflector unit for movement between a deflecting position in the path of the moving sheets along the course of travel to deflect the sheets into the receiver station associated therewith and a second position away from the path of the moving sheets to permit passage thereof to a subsequent receiver station, means associated with said deflector units to provide a positive force assisting movement of the deflector unit from the deflecting position to the non-deflecting position only after the momentum of a moving sheet striking the deflector unit overcomes the inertia of the unit to start it moving to the nondeflecting position.
- a conveyor for moving sheets in succession along a course opposite the receiver stations.
- each deflector unit opposite each receiver station and adjacent the conveyor, each deflector unit comprising a rotatably mounted shaft extending essentially transverse to its associated receiver station. and a plurality of deflector fingers mounted at spaced intervals on the shaft.
- mounting means including a frame rotatably mounting each said deflector units for movement of its deflector fingers between a first deflecting position in the path of the moving sheets being conveyed along the conveyor to deflect a moving sheet into the receiver station associated therewith and a second non-deflecting position permitting a subsequent moving sheet to bypass the receiver station and strike the deflector finger of the deflector unit of the successive station, said mounting means mounting the deflector units such that. upon impact of a moving sheet against the associated deflector fingers. sufficient momentum is imparted thereto to initiate movement thereof to the second position.
- assist means comprising a first magnet mounted on the shaft and a second magnet mounted on said frame. said first and second magnets being located closely adjacent to each other with their poles of attraction a sufficient distance apart so as to be inoperative when the deflector fingers are in the deflecting position and spaced such that, on rotation of the deflector finger from the deflecting position toward the non-deflecting position caused by impact of the moving sheet against the deflector fingers.
- magnetic attraction provides a positive force to assist continued movement of the deflector fingers to the non-deflecting position
- reset means to reset selected ones of said deflector units from the non-deflecting position to the deflecting position.
- control means for operating said reset means, said control means including sensing means for sensing the passage ofa sheet into a selected one of the stations and operatively connected to activate the reset means.
- a sheet sorting device for delivering sheets in succession to a plurality of spaced receiver stations comprising;
- a sheet conveyor means for moving sheets along a course of travel opposite said receiver sations
- deflector units located in said course of travel associated with each receiver station.
- mounting means mounting each deflector unit for movement between a deflecting position in the path of the moving sheets along the course of travel to deflect the sheets into the receiver station associated therewith and a position away from the path of the moving sheets to permit passage thereof to a subsequent receiver station, said mounting means including magnetic means associated with each deflector unit and providing an attractive force sufficient to move the deflector unit to the nondeflecting position only after the momentum of a moving sheet striking the deflector unit overcomes the inertia of the unit, and means to reset selected ones of the deflector units from the non-deflecting position to the deflecting position.
- the sheet sorting device of claim 10 including; control means for operating said reset means, said control means including sensing means for sensing the passage of a sheet into a selected one of the stations and operatively connected to activate the reset means.
- sheet deflection means comprising;
- mounting means mounting said deflector unit for movement between a deflecting position in the path of the moving sheets to deflect a sheet into the receiver station associated therewith,
- magnetic means associated with said mounting means and said deflector unit and providing an attractive force sufficient to move the deflector unit to the nondeflecting position only after the momentum of a moving sheet overcomes the inertia of the unit.
- sheet deflection means comprising;
- a deflector unit located in said course of travel associated with said receiver station.
- mounting means mounting said deflector unit for movement between a deflecting position in the path of the moving sheets to deflect a sheet into the receiver station associated therewith and a position away from the path of the moving sheets to permit passage thereof, means associated with said deflector unit to provide a positive force assisting movement to the deflector unit from the deflecting position to the non-deflecting position only after the momentum of a moving sheet striking the deflector' unit overcomes the inertia of the unit to start it moving to the non-deflecting position.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Forming Counted Batches (AREA)
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US288674A US3877693A (en) | 1972-09-13 | 1972-09-13 | Distributor assembly for sheet sorting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US288674A US3877693A (en) | 1972-09-13 | 1972-09-13 | Distributor assembly for sheet sorting device |
Publications (1)
Publication Number | Publication Date |
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US3877693A true US3877693A (en) | 1975-04-15 |
Family
ID=23108144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US288674A Expired - Lifetime US3877693A (en) | 1972-09-13 | 1972-09-13 | Distributor assembly for sheet sorting device |
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Country | Link |
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US (1) | US3877693A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2710715A1 (en) * | 1976-03-18 | 1977-09-22 | Oce Van Der Grinten Nv | SORTING DEVICE |
US4228996A (en) * | 1979-09-17 | 1980-10-21 | Wilcox Jr Earl H | Automatic sheet collator |
US4723773A (en) * | 1986-10-17 | 1988-02-09 | Bell & Howell Company | Sheet feeding methods and apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2076700A (en) * | 1931-01-19 | 1937-04-13 | Ibm | Sorting machine |
US2300029A (en) * | 1941-06-19 | 1942-10-27 | Ditto Inc | Sorting device for duplicating machines |
US3017179A (en) * | 1958-09-09 | 1962-01-16 | American Photocopy Equip Co | Sheet separator device |
US3273882A (en) * | 1963-05-23 | 1966-09-20 | Norfin | Sheet collating device |
US3304081A (en) * | 1963-10-30 | 1967-02-14 | Zindler Lumoprint Kg | Apparatus for separating two sheets |
-
1972
- 1972-09-13 US US288674A patent/US3877693A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2076700A (en) * | 1931-01-19 | 1937-04-13 | Ibm | Sorting machine |
US2300029A (en) * | 1941-06-19 | 1942-10-27 | Ditto Inc | Sorting device for duplicating machines |
US3017179A (en) * | 1958-09-09 | 1962-01-16 | American Photocopy Equip Co | Sheet separator device |
US3273882A (en) * | 1963-05-23 | 1966-09-20 | Norfin | Sheet collating device |
US3304081A (en) * | 1963-10-30 | 1967-02-14 | Zindler Lumoprint Kg | Apparatus for separating two sheets |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2710715A1 (en) * | 1976-03-18 | 1977-09-22 | Oce Van Der Grinten Nv | SORTING DEVICE |
US4228996A (en) * | 1979-09-17 | 1980-10-21 | Wilcox Jr Earl H | Automatic sheet collator |
US4723773A (en) * | 1986-10-17 | 1988-02-09 | Bell & Howell Company | Sheet feeding methods and apparatus |
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Legal Events
Date | Code | Title | Description |
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STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: NORFIN INTERNATIONAL, INC., 526 FIRST AVENUE, SOUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SNELLMAN, DONALD L.;REEL/FRAME:004688/0034 Effective date: 19870114 Owner name: NORFIN INTERNATIONAL, INC.,WASHINGTON Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SNELLMAN, DONALD L.;REEL/FRAME:004688/0034 Effective date: 19870114 |
|
AS | Assignment |
Owner name: PACCOM LEASING CORPORATION, 1221 SW YAMHILL, SUITE Free format text: SECURITY INTEREST;ASSIGNOR:NORFIN INTERNATIONAL, INC.;REEL/FRAME:004862/0406 Effective date: 19880222 Owner name: PACCOM LEASING CORPORATION, A OREGON CORP., OREGON Free format text: SECURITY INTEREST;ASSIGNOR:NORFIN INTERNATIONAL, INC.;REEL/FRAME:004862/0406 Effective date: 19880222 |