US3134587A - Sheet folding machine - Google Patents
Sheet folding machine Download PDFInfo
- Publication number
- US3134587A US3134587A US65107A US6510760A US3134587A US 3134587 A US3134587 A US 3134587A US 65107 A US65107 A US 65107A US 6510760 A US6510760 A US 6510760A US 3134587 A US3134587 A US 3134587A
- Authority
- US
- United States
- Prior art keywords
- sheet
- fold
- movement
- transverse
- respect
- 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
Links
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000010010 raising Methods 0.000 claims description 3
- 230000003578 releasing effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F89/00—Apparatus for folding textile articles with or without stapling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/02—Folding limp material without application of pressure to define or form crease lines
- B65H45/04—Folding sheets
Definitions
- the present invention relates to a sheet folding machine and more particularly to a sheet folding machine adapted to fold wide sheets of fabric or the like with a plurality of transverse folds.
- FIG. 1 is a schematic side elevation of the invention
- FIG. 2 is a top plan schematic view of the invention 'with portions removed for clarity of understanding, and,
- FIGS. 3 to 7 inclusive are schematic views illustrating successive positions of the machine in the folding of a single wide sheet fed through the machine.
- This wide folding machine is particularly useful in locations such as laundries where space is at a premium.
- FIGS. 1 and 2 there is provided a frame 1 preferably formed of I-beams or'the like.
- This frame has side members 2 and 3 and cross members adapted to support the operating mechanism. Suitable legs 4 support the side member.
- a platform 5 integralwith the forward legs 4 supports a drive motor.
- a first conveyor comprising a plurality of endless belts 11 extending around parallel rolls 12 and 13 are positioned at the rear end of the machine. Shafts on which the rolls 12 and 13 are mounted are in turn journalled at their ends by suitable journals at 20 on the frame 1.
- the belts 11 are driven through drive roll 13 in a clockwise direction as viewed in FIG. 1.
- a second conveyor 14 is positioned at the forward end of the machine 7.
- This second conveyor comprises the endless belts 15 which extend about rolls 17 and 18 with roll 17 driving the belt in a clockwise direction as viewed in FIG. 1.
- the shafts of rolls 17 and 18 are supported by journals at 21.
- the plane of the second conveyor is slightly inclined upwardly from the roll 17 to roll 18 as illustrated in FIG. 1.
- nip rolls 25 and 26 Positioned above the adjacent ends of the first conveyor 1 and second conveyor 14 are a pair of nip rolls 25 and 26.
- Roll 25 is journaled slightly higher than roll 26. These rolls are supported on legs 27 and 28 respectively with the ends of the rolls 25 and 26 suitably supported in journals in turn secured to the legs 27 and 28.
- An idler roll 30 parallel to rolls 25 and 26 is supported above the rolls 25 and 26 with the roll 30 suitablyjournaled at its ends and with the journals in turn supported on the frame extension 31.
- Endless parallel belts 35 extend about rolls 25 and 30.
- Roll 30 is sized and positioned so that the lower portion of the endless belts 35 bear against the surface of nip roll 26.
- An inclined table 36 extends forwardly and downwardly from a line of tangency with roll 26 beyond the forward end of the second conveyor 14.
- This table may 3,134,587 Patented May 26, 1964 ice be formed with a plurality of parallel longitudinally extending slots in its surface.
- This mechanism 41 has a drive source such as the motor 42 which is mounted on the platform 5.
- An endless chain 44 driven by a gear 43 mounted on the shaft of the motor 42 positively drives the first conveyor 1, pinch roll 25 and pinch roll 26.
- This endless chain 44 engages a gear 45 mounted on the axle of roll 13, idler gears 46 and 47 suitably journaled on the frame, a gear 48 secured to the axle of roll 25, and a gear 49 secured to the axle of roll 26.
- roll 13 is driven in a clockwise direction, roll 25 in a counter-clockwise direction, and roll 26 in' a clockwise direction.
- the second conveyor 14 is operatively interengaged with the first conveyor so that the upper surface of the second conveyor 14 moves forwardly at a faster rate of speed than the forward movement of the upper surface of the first conveyor.
- This operation of the second conveyor is effected through a chain coupling generally illustrated at 50.
- the endless chain 51 engages a gear mounted on the axle of roll 13 and a gear 55 mounted on the axle of roll 17.
- the gear 55 is smaller than the gear mounted on roll 13.
- a pressure roll 58 supported in journals 59, is positioned parallel with the upper surface of the first conveyor.
- a clamping mechanism generally indicated at 60 is adapted to engage the leading edge of the forwardly moving sheet after it passes under the roll 58.
- This clamping mechanism 60 is suitably supported on a frame extension 61 with a rotatable axle 62 journaled at its end in the frame extension 61.
- One end of the axle has a lever 63 secured to it.
- the free end of the lever is pivotally interengaged with shaft 64 of the air cylinder 65.
- the air cylinder 65 is rigidly secured to the side of the frame 1.
- the cylinder is connected by tube 66 for operation to the valve 72, in turn controlling passage of air from air pump 101.
- each of these clamps comprise a solenoid having an armature 68 carrying one jaw of the clamp.
- the other jaw of the clamp is formed by the L-shaped member 69.
- an air blast tube 70 Positioned immediately behind clamping mechanism 60 is an air blast tube 70.
- This tube is provided with a plurality of longitudinally aligneddirected perforations.
- the holes are substantially aligned with the open jaws of the clamps when the jaws are in the position illustrated in FIG. 1.
- the tube 70 is connected to an air pump 101 through three way valve 72.
- the valve is controlled by control means 100.
- the pump 101 causes an air blast through the holes. 1
- a lever mechanism Positioned forwardly of the clamping mechanism 60 is a lever mechanism, generally indicated at 80.
- This lever mechanism is provided with a transverse bar 81 with lever arms 82 secured at each end.
- the arms 82 are each pivotally secured, one to each side of the frame.
- Each of these arms 82 is secured at a fulcrum point 83 inter- 81 is adapted upon actuation of the air cylinder 84 to pivot upwardly about point 83 from a position intermediate the first and second conveyors to a position immediately adjacent and substantially intermediate rolls 25 and 26.
- a plurality of plates 87 interposed between the belts 11 project partially over the bar 81 to guide the sheets over it. However, on actuation of the air cylinder 84, the bar 81 will pivot out from beneath the plates 87, describing an arc, to a pinching position between the rolls 25 and 26.
- a pair of microswitches 90 and 91 are positioned so as to project upwardly through the upper portion of the moving belts of the first and second conveyors respectively.
- Microswitch 91 actuates the controller which in turn causes the control valve 72 to actuate cylinder 84.
- Microswitch 90 controls the operation of air cylinder 65, clamp 67, and air blast tube 70.
- the motor 42 continuously drives the first and second conveyors with the upper surfaces of the conveyors moving in a forward direction.
- a fabric sheet is fed onto the first conveyor 1, it first trips microswitch 90 and then passes between the jaws of the clamp 67.
- the jaws of clamp 67 are closed on the sheet by the microswitch 90.
- Tripping of microswitch 90 also initiates the counter-clockwise rotation of axle 62 as Viewed in FIG. 3.
- a blast of air from tube 70 helps separate the fabric material as illustrated in FIG. 4.
- the bar 81 forces the fabric sheet 95 between rolls 25 and 26. Rolls 25 and 26 then pinch and transversely fold the sheet 95. The sheet 95 is carried over roll 26, by endless webs 35. The fabric material which is now folded twice slides down the table 36 to an appropriate receptacle.
- the controller 100 may be of any electrical and mechanical construction which will sequentially operate the air blast tube 70, air cylinder 65, clamp 67 and air cylinder 84.
- Microswitches 90 and 91 are operatively connected to the controller. Tripping microswitch 90 causes the sequential closing of the jaws of clamp 67 and rotation of the axle 62. The air blast is then ejected through tube 70. Tripping switch 91 causes the cylinder 84 to pivot the bar 81.
- a folding machine for quarter folding a sheet with two transverse folds and with the end edges of said sheet uppermost subsequent to forming said folds comprising means for flat feeding discontinuous flat sheets in at least one direction, means for engaging, raising, and securing against further movement the leading end edge of said sheet as said sheet continues to move, means for releasing and dropping said leading end edge from said last mentioned means as the trailing end edge of said sheet reaches a selected position to form a first transverse fold in said sheet with said first fold in a direction forward of said end edge with respect to the direction of said movement, means for moving said sheet in a plane angular with respect to the horizontal after said first fold is formed, means for eifecting a second transverse fold in said sheet while said sheet is moving in said angular plane and means for thereafter changing the direction of movement of said twice folded sheet from said angular plane whereby said second fold is positioned in advance of said first fold with respect to the direction of movement, and means for delivering in a second angular plane said twice folded sheet as it moves with said first
- said means for effecting a second transverse fold in said sheet includes means for engaging said sheet along a transverse line and an inclined conveyor belt adapted to coact with said means for engaging said moving sheet to effect said second transverse fold.
- a device as set forth in claim 2 wherein said means for engaging said sheet for making said transverse fold includes means positioned below said moving sheet comprising a transversely extending bar, lever arms positioned at and connected normally to each end of said bar, means pivotally supporting said lever arms and means for pivoting said lever arms from a position below said sheet upwardly, and said means for delivering said twice folded sheet comprises a downwardly inclined table.
- a folding machine for quarter folding a sheet with two transverse folds and with the end edges of said sheet uppermost subsequent to forming said folds comprising means for flat feeding discontinuous flat sheets in one direction, means for engaging, raising and securing against further movement the leading end edge of said sheet as said sheet continues to move, means for releasing and dropping said leading end edge from said last mentioned means as the trailing end edge of said sheet reaches a selected position to form a first transverse fold in said sheet with said first fold in a direction forward of said end edge with respect to the direction of said movement, means for moving said sheet in a second direction angular with respect to said first direction after said first fold is formed, means for effecting a second transverse fold in said sheet while said sheet is moving in said second direction and means thereafter changing the direction of movement of said twice-folded sheet from said second direction of movement whereby said second fold is positioned in advance of said first fold with respect to the direction of movement, and means for delivering in another direction angular with respect to said second direction said twicefolded sheet as it moves with
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65107A US3134587A (en) | 1960-10-26 | 1960-10-26 | Sheet folding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65107A US3134587A (en) | 1960-10-26 | 1960-10-26 | Sheet folding machine |
Publications (1)
Publication Number | Publication Date |
---|---|
US3134587A true US3134587A (en) | 1964-05-26 |
Family
ID=22060382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US65107A Expired - Lifetime US3134587A (en) | 1960-10-26 | 1960-10-26 | Sheet folding machine |
Country Status (1)
Country | Link |
---|---|
US (1) | US3134587A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3485491A (en) * | 1966-05-18 | 1969-12-23 | Weir Henry J | Small piece folder |
DE1610301B1 (en) * | 1966-12-19 | 1970-07-30 | Weir Henry J | Slide-in folding device for laundry items |
US3635462A (en) * | 1970-08-21 | 1972-01-18 | Curt G Joa | Pad-folding machine |
US3664432A (en) * | 1969-03-17 | 1972-05-23 | John F Nunes Jr | Sod handling apparatus |
US4073486A (en) * | 1975-04-21 | 1978-02-14 | Chicago Dryer Company | Folder construction |
US4338086A (en) * | 1980-08-29 | 1982-07-06 | Heater Charles P | Machine for making longitudinal and transverse folds in fabric |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1682237A (en) * | 1928-08-28 | osborn | ||
US2022352A (en) * | 1930-08-20 | 1935-11-26 | American Laundry Mach Co | Folding machine |
US2072790A (en) * | 1935-01-31 | 1937-03-02 | Brehmer Geb | Paper folding machine |
US2650821A (en) * | 1949-04-09 | 1953-09-01 | Braithwaite I & Son Eng Ltd | Folding machine for laundry purposes |
GB706093A (en) * | 1950-06-26 | 1954-03-24 | Manlove Alliott & Co Ltd | Improvements in and relating to laundry folding machines |
US2811350A (en) * | 1954-02-01 | 1957-10-29 | Cran William Broadbent Gordon | Folding machines for laundry use |
US2821386A (en) * | 1954-12-03 | 1958-01-28 | American Laundry Mach Co | Operating mechanism for folding blade |
GB803895A (en) * | 1956-03-20 | 1958-11-05 | Braithwaite I & Son Eng Ltd | Improvements in or relating to folding machines for laundry purposes |
-
1960
- 1960-10-26 US US65107A patent/US3134587A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1682237A (en) * | 1928-08-28 | osborn | ||
US2022352A (en) * | 1930-08-20 | 1935-11-26 | American Laundry Mach Co | Folding machine |
US2072790A (en) * | 1935-01-31 | 1937-03-02 | Brehmer Geb | Paper folding machine |
US2650821A (en) * | 1949-04-09 | 1953-09-01 | Braithwaite I & Son Eng Ltd | Folding machine for laundry purposes |
GB706093A (en) * | 1950-06-26 | 1954-03-24 | Manlove Alliott & Co Ltd | Improvements in and relating to laundry folding machines |
US2811350A (en) * | 1954-02-01 | 1957-10-29 | Cran William Broadbent Gordon | Folding machines for laundry use |
US2821386A (en) * | 1954-12-03 | 1958-01-28 | American Laundry Mach Co | Operating mechanism for folding blade |
GB803895A (en) * | 1956-03-20 | 1958-11-05 | Braithwaite I & Son Eng Ltd | Improvements in or relating to folding machines for laundry purposes |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3485491A (en) * | 1966-05-18 | 1969-12-23 | Weir Henry J | Small piece folder |
DE1610301B1 (en) * | 1966-12-19 | 1970-07-30 | Weir Henry J | Slide-in folding device for laundry items |
US3664432A (en) * | 1969-03-17 | 1972-05-23 | John F Nunes Jr | Sod handling apparatus |
US3635462A (en) * | 1970-08-21 | 1972-01-18 | Curt G Joa | Pad-folding machine |
US4073486A (en) * | 1975-04-21 | 1978-02-14 | Chicago Dryer Company | Folder construction |
US4338086A (en) * | 1980-08-29 | 1982-07-06 | Heater Charles P | Machine for making longitudinal and transverse folds in fabric |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NEWJENSEN CORPORATION, 2775 N.W. 63RD COURT, FORT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:JENSEN CORPORATION;REEL/FRAME:003915/0758 Effective date: 19810717 Owner name: JENSEN CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:NEWJENSEN CORPORATION;REEL/FRAME:003915/0763 Effective date: 19810717 Owner name: NEWJENSEN CORPORATION, 2775 N.W. 63RD COURT, FORT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:JENSEN CORPORATION;REEL/FRAME:003915/0758 Effective date: 19810717 Owner name: JENSEN CORPORATION, STATELESS Free format text: CHANGE OF NAME;ASSIGNOR:NEWJENSEN CORPORATION;REEL/FRAME:003915/0763 Effective date: 19810717 |