US2988236A - Blank stacking, straightening, and delivery device - Google Patents
Blank stacking, straightening, and delivery device Download PDFInfo
- Publication number
- US2988236A US2988236A US626100A US62610056A US2988236A US 2988236 A US2988236 A US 2988236A US 626100 A US626100 A US 626100A US 62610056 A US62610056 A US 62610056A US 2988236 A US2988236 A US 2988236A
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- Prior art keywords
- blanks
- stack
- plate
- straightening
- machine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/30—Arrangements for removing completed piles
- B65H31/3081—Arrangements for removing completed piles by acting on edge of the pile for moving it along a surface, e.g. by pushing
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- 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
- B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
- B65H29/14—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers and introducing into a pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/421—Forming a pile
- B65H2301/4212—Forming a pile of articles substantially horizontal
- B65H2301/42122—Forming a pile of articles substantially horizontal by introducing articles from under the pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/422—Handling piles, sets or stacks of articles
- B65H2301/4228—Dividing piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
- B65H2701/1766—Cut-out, multi-layer, e.g. folded blanks or boxes
Definitions
- This invention relates to a blank stacking, straightening and delivery device and, more particularly, to a device for piling, straightening and accurately delivering box blanks issuing from a machine adapted to operate on the blanks such as a folding machine or slotting creasing machine.
- the device of the present Iinvention finds particular application in instances where box blanks are operated on rapidly and must be subsequently delivered rapidly to the next processing operating without the necessity uneconomical hand operations.
- this result is obtained by combining, in a single automatic device, which is readily synchronized with the movement of the machine for operating on the box blanks, a combined stacking, straightening and delivering device in which la plurality of blanks are stacked from below and, periodically, a pile of blanks is removed from the top of the stack.
- Another object of the present invention is to provide a stacking, straightening and delivery device which is readily synchronized with a machine which operates on such blanks and allows the ultimate issuance from the said machine of a stack having a predetermined number of properly aligned box blanks.
- FIGURE l is a side elevation of the mechanism of the present invention showing how the blanks are received, stacked, straightened and delivered.
- FIGURE 2 is a cross-section of the device which delivers a stack of blanks from the machine of the present invention and is taken along the lines 2-2 of FIGURE 1 looking in the direction of the arrows.
- the present invention involves a mechanism particularly adapted for use in connection with machines which operate on box blanks such as slotting and creas ing machines, folding machines or other similar machines well known to the art.
- This invention has particular utility in stacking and straightening inaccurately folded blanks and by employing the underfeeding technique hereindisclosed there is always sufficient pressure maintained within the stack to allow for complete gluing of the folded blanks.
- the delivery mechanism herein disclosed will obviously be useful on both folded and unfolded blanks.
- the mechanism herein contemplated includes a conveyor operable in synchronization with the machine which has previously worked upon the box blanks, and a stacking and straightening device above the said conveyor comprising means transverse to the direction of motion of the blanks and between which is accumulated a stack of the said blanks.
- the stack accumulating portion of the present invention would include two plates, one having an opening thereunder sufficient to permit the entry of at rice least one blank at a time and another plate which is adapted to about the front end of the stack of blanks. Means are provided for oscillatorily operating the former plate in a longitudinal direction and which motion imparts to this plate a slapper action and thereby provides a means for aligning the stack of blanks.
- the two plates between which the stack is confined are open at the upper end and a longitudinally movable plate for periodically pushing a stack of said blanks from the upper end of the accumulating device is provided so -that the lowermost edge of the pusher plate will clear the uppermost edge of the transverse plate abutting the front end of the stack of blanks.
- the blank pushing mechanism is also operated in synchronism with the conveying means, but the blanks are fed .into the present device and are further supported so that when in contact with lthe blanks it remains in substantially vertical position.
- Flexible longitudinally extending hold-down bars are also provided so as to prevent dislocation of the top of the stack until delivery of Vthe blanks therefrom.
- gear 10 which is also coordinated with the movement of the folding, slotting and creasing, or other machine from which the blanks issue.
- This drives sprocketed wheel 11 which carries a chain 12 therewith.
- the chain moving in the direction of the arrows drives the wheels 14 and 15 interconnected by idler 17.
- Brackets 14a, 15a extending rearward from slapper plate 20 are mounted to eccentrics 14', 15, respectively, which are mounted to wheels 14, 15, respectively.
- These eccentrics cause a periodic reciprocating or longitudinal oscillatory movement of slapper plate ⁇ 20 so that it ultimately moves from the position shown by the solid lines 20 to that illustrated by the dotted lines 20.
- This specific mechanism for causing oscillatory movement of slapper plate 20 is only, of course, exemplary of a preferred embodiment of this invention, and other mechanisms for causing this result would be apparent to those skilled in the art.
- a height adjustment which is operated manually by wheel 5l) is secured to the frame of the machine 60 and by adjustment of the threaded member 51 the space of entry of the blank into the stack may be accurately varied in accordance with the blank thickness.
- the threaded member 51 is supported by rigid frame extension 61.
- hand wheel ⁇ 63 is provided which controls the longitudinal position of plate 57 which in turn abuts the leading edge of each of the blanks in the stack.
- the adjustment of this plate is made by a movement of threaded member ⁇ 64 which passes through the frame at 68 and is secured to plate 57 at 69.
- wheel 14 carries a sprocket which in turn causes the chain 70 to be moved in coordination with the driver 10.
- the chain in turn causes movement of driver 72 which through a series of internal gears, illustrated as 73, is made to engage one of a plurality of gears 74a, b, c or d.
- This mechanism is encased in a gear box 76 and is illustrative of one ⁇ Well-klnown common gearing mechanism well known to the art :for
- The'gear member 74 is secured to a shaft 77 which carries sprocket wheels 130, 131l engaged by chainsl 79 and 80, respectively, which in turn drive sprocket wheels 120 and 121, respectively. These two sprocket wheels are mounted onVV common shafts ⁇ 118 and 119, respectively, whichin turndrives sprockets 812 and 83.
- the chains S6 and ⁇ 87S driven by these respective sprocket wheels are also carried by' sprockets 82 and 84.
- These two chains provide meansby ⁇ which the plate support 90 and pusher plate 92 may be maintained in ⁇ a substantially vertical position throughoutthe operation of; the device and particularly throughthe entire time when the plate 92 contacts therear edge of the blanks. This is accomplished by the support.90 secured to the chain Sdby a bushing 94,.while at. the same time the other transverse side of the plate support is secured to chain 87 by bushing 95.
- The; blanks in addition to being. aligned by slapper plate areV maintained in alignment by means of a pair of flexible holddownstrips 100 and 101 which are rigidly secured to' the frame of the machine at 192 and 103, respectively.
- the strip 101 is adjustable by means of a telescopingzsection (not shown) which is held in place byknobs'. 104 and by any other suitable means.
- Holddown strips 10U and 101 maintain a downward pressure on stack 321 thereby maintaining the folds in the blanks of stack 32 during both the delivery and accumulating periods.
- the strip 101 isV now in position to engage the top of the remaining stack as it advances upward. During this period the longer strip'100 remains in engagement with the top of the stack being removed.
- the pusher plate which operates in predetermined synchronization with the stackingV and straightening device in order to periodically deliver a stack containing a given number of ⁇ blanks, is vertically slidable by means of wheels ltlSa, b, c and d, mounted to pusher plate 92, which are adapted to ride on vertical rails 107 and 108, respectively, mounted to support plate 90.
- wheels ltlSa, b, c and d mounted to pusher plate 92, which are adapted to ride on vertical rails 107 and 108, respectively, mounted to support plate 90.
- a suitably positioned stop (not shown) is included to limit the downward movement of plate 92.
- the bushings In order that one side of the plate support 90 is secured to bushing 94 at 11i), while the other side is .secured at 111 to the bushing 95, the bushings have their respective shafts 118 and 119 which pass therethrough rigidly secured to the frame of the machine 60. Lugs 150, 1511 projecting from pusher plate 92 are positioned to engage ears 152, 153 respectively, of support member 90 to thereby limit the downward movement of pusher plate 92.
- a stacking, straightening and delivery mechanism adapted for use with a machine for operating on box blanks comprising, a conveyor operable in synchronism with the said machine to move said blanks in a iirst, or longitudinal, direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine thereby forming a blank stack being fed from below, said device including apair of plates transverse to the direction of motion of the blanks between which the blanks between which the blanks may be accumulated;
- the device as set forth in claim l including meansV for holding down the top of the remaining portion of the stack of blanks until delivery of the top portion of the said stack is completed and also exerting a hold-down force to the blanks remaining in the accumulating device during delivery of said stack.
- a stacking, straightening and delivery mechanism adapted for use with a machine for operating box blanks, comprising a conveyor operable in synchronism with the said machine to move said blanks in a first or longitudinal direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine, said device including straightening means comprising a pair of plates positioned transverse to the direction of motion of the blanks between which the blanks may be accumulated in a stack; one of the said plates abutting the trailing edge of the blanks inV the stack and being periodically oscillatorily movable in a longitudinal direction; an opening under said plate sufficient to permit the entry of at least one blank at a time, and above the upper end of said plates a longitudinally movable vertically extending pusher plate for periodically pushing a top portion of said stack of said blanks from the said accumulating device while theV bottom portion of said stack remains in said device, said pusher plate being operated in synchronism with said machine, said plate having the bottom edge thereof resting upon the top of said
- a stacking, straightening and delivery mechanism for transporting box blanks comprising a conveyor for moving the blanks in a first, or longitudinal, direction into the mechanism, straightening means comprising a pair of plates transverse to the direction of'motion of the conveyor for confining a stack of blanks, one'of the said plates abutting the trailing edge of the blanks inthe stack ed to said support plate for vertical movementA relative thereto.
- a stacking, straightening andV delivery' mechanismV adapted oruse with a machine for operating box blanks, comprising a conveyor operable in synchronism with the said machine to move said blanks in a first or longitudinal direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine; said device comprising a first and a second means for engag- Y ing the blanks at the leading and trailing edges, respectively, thereof to thereby forma stack of blanks being fed from below; an opening under said second means suf# cient to permit the entry of at least one blank at a time, said device constructed and operated to apply a straightening force to the blanks in the stack, and above the upper end of said device a longitudinally movable vertically extending pusher plate for periodically pushing a top portion of said stack of said blanks from the said accumulating device while the bottom portion of said stack remains in said device, said pusher plate being operated in synchronism with said machine, said plate having the bottom edge thereof resting upon the top of said
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- Mechanical Engineering (AREA)
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- Pile Receivers (AREA)
Description
June 13, 1961 A. F. sHn-:LDs 2,988,236
BLANK STACKING, STEAIGHTENING AND DELIVERY DEVICE 2 Sheets-Sheet 1 Filed Deo. 4, 1956 June 13, 1961 A. F. sHn-:LDs 2,988,235
BLANK sTAcxING, STRAIGHTENING AND DELIVERY DEVICE Filed Dec. 4, 1956 2 Sheets-Sheet 2 El-E+'- E.
77 L l `Z BY MEM/Q5 M gf@ United States Patent 2,988,236 BLANK STACKING, STRAIGHTENING, AND
DELIVERY DEVICE Albert F. Shields, Forest Hills, NY., assignor to S & S
Corrugated Paper Machinery Company, Inc., Brooklyn, N.Y., a corporation of New York Filed Dec. 4, 1956, Ser. No. 626,100
5Claims. (Cl. 214-6) This invention relates to a blank stacking, straightening and delivery device and, more particularly, to a device for piling, straightening and accurately delivering box blanks issuing from a machine adapted to operate on the blanks such as a folding machine or slotting creasing machine.
The device of the present Iinvention finds particular application in instances where box blanks are operated on rapidly and must be subsequently delivered rapidly to the next processing operating without the necessity uneconomical hand operations.
In acordance with the present invention this result is obtained by combining, in a single automatic device, which is readily synchronized with the movement of the machine for operating on the box blanks, a combined stacking, straightening and delivering device in which la plurality of blanks are stacked from below and, periodically, a pile of blanks is removed from the top of the stack. By the time the stack is delivered from this device they have been properly aligned mechanically through the use of a novel straightening mechanism hereinafter set forth in more detail.
Accordingly it is an object of the present invention to provide a combined blank stacking, straightening and delivery device which is rapid, accurate and minimizes the necessity for hand operations.
Another object of the present invention is to provide a stacking, straightening and delivery device which is readily synchronized with a machine which operates on such blanks and allows the ultimate issuance from the said machine of a stack having a predetermined number of properly aligned box blanks.
'I'hese and other objects of the present invention will become more apparent when taken in connection with the following description and the drawings in which:
FIGURE l is a side elevation of the mechanism of the present invention showing how the blanks are received, stacked, straightened and delivered.
FIGURE 2 is a cross-section of the device which delivers a stack of blanks from the machine of the present invention and is taken along the lines 2-2 of FIGURE 1 looking in the direction of the arrows.
Essentially the present invention involves a mechanism particularly adapted for use in connection with machines which operate on box blanks such as slotting and creas ing machines, folding machines or other similar machines well known to the art. This invention has particular utility in stacking and straightening inaccurately folded blanks and by employing the underfeeding technique hereindisclosed there is always sufficient pressure maintained within the stack to allow for complete gluing of the folded blanks. The delivery mechanism herein disclosed will obviously be useful on both folded and unfolded blanks.
The mechanism herein contemplated includes a conveyor operable in synchronization with the machine which has previously worked upon the box blanks, and a stacking and straightening device above the said conveyor comprising means transverse to the direction of motion of the blanks and between which is accumulated a stack of the said blanks. The stack accumulating portion of the present invention would include two plates, one having an opening thereunder sufficient to permit the entry of at rice least one blank at a time and another plate which is adapted to about the front end of the stack of blanks. Means are provided for oscillatorily operating the former plate in a longitudinal direction and which motion imparts to this plate a slapper action and thereby provides a means for aligning the stack of blanks.
The two plates between which the stack is confined are open at the upper end and a longitudinally movable plate for periodically pushing a stack of said blanks from the upper end of the accumulating device is provided so -that the lowermost edge of the pusher plate will clear the uppermost edge of the transverse plate abutting the front end of the stack of blanks. The blank pushing mechanism is also operated in synchronism with the conveying means, but the blanks are fed .into the present device and are further supported so that when in contact with lthe blanks it remains in substantially vertical position. Flexible longitudinally extending hold-down bars are also provided so as to prevent dislocation of the top of the stack until delivery of Vthe blanks therefrom.
Referring now to the drawings in more detail, power is supplied to the machine through gear 10 which is also coordinated with the movement of the folding, slotting and creasing, or other machine from which the blanks issue. This, in turn, drives sprocketed wheel 11 which carries a chain 12 therewith. The chain moving in the direction of the arrows drives the wheels 14 and 15 interconnected by idler 17. Brackets 14a, 15a extending rearward from slapper plate 20 are mounted to eccentrics 14', 15, respectively, which are mounted to wheels 14, 15, respectively. These eccentrics cause a periodic reciprocating or longitudinal oscillatory movement of slapper plate `20 so that it ultimately moves from the position shown by the solid lines 20 to that illustrated by the dotted lines 20. This specific mechanism for causing oscillatory movement of slapper plate 20 is only, of course, exemplary of a preferred embodiment of this invention, and other mechanisms for causing this result would be apparent to those skilled in the art.
Through an appropriate gear mechanism illustrated by members 22, 23 and 24 means are provided `for conveying the box blank 30 forward underneath the space 31 below the slapper plate and thereby causes the stack 32 to be added to from underneath. The conveyor 35, driven from wheel 36, the movement of which is also coordinated with that of driver 10, is sloped at section 37 thereof so as to allow the entry of blanks from underneath the stack 32. The conveyor further rides on idler rolls 40, 41, 42 and 43 and 44.
A height adjustment which is operated manually by wheel 5l) is secured to the frame of the machine 60 and by adjustment of the threaded member 51 the space of entry of the blank into the stack may be accurately varied in accordance with the blank thickness. The threaded member 51 is supported by rigid frame extension 61.
In order to adjust the machine for the proper length of blanks, hand wheel `63 is provided which controls the longitudinal position of plate 57 which in turn abuts the leading edge of each of the blanks in the stack. The adjustment of this plate is made by a movement of threaded member `64 which passes through the frame at 68 and is secured to plate 57 at 69.
lt is also apparent that wheel 14 carries a sprocket which in turn causes the chain 70 to be moved in coordination with the driver 10. The chain in turn causes movement of driver 72 which through a series of internal gears, illustrated as 73, is made to engage one of a plurality of gears 74a, b, c or d. This mechanism is encased in a gear box 76 and is illustrative of one` Well-klnown common gearing mechanism well known to the art :for
transmitting any one of a number of pre-selected gearing ratios.
The'gear member 74 is secured to a shaft 77 which carries sprocket wheels 130, 131l engaged by chainsl 79 and 80, respectively, which in turn drive sprocket wheels 120 and 121, respectively. These two sprocket wheels are mounted onVV common shafts` 118 and 119, respectively, whichin turndrives sprockets 812 and 83. The chains S6 and` 87S driven by these respective sprocket wheels are also carried by' sprockets 82 and 84. These two chains provide meansby` which the plate support 90 and pusher plate 92 may be maintained in` a substantially vertical position throughoutthe operation of; the device and particularly throughthe entire time when the plate 92 contacts therear edge of the blanks. This is accomplished by the support.90 secured to the chain Sdby a bushing 94,.while at. the same time the other transverse side of the plate support is secured to chain 87 by bushing 95.
The; blanks in addition to being. aligned by slapper plate areV maintained in alignment by means of a pair of flexible holddownstrips 100 and 101 which are rigidly secured to' the frame of the machine at 192 and 103, respectively. The strip 101 is adjustable by means of a telescopingzsection (not shown) which is held in place byknobs'. 104 and by any other suitable means. Holddown strips 10U and 101 maintain a downward pressure on stack 321 thereby maintaining the folds in the blanks of stack 32 during both the delivery and accumulating periods. During the delivery period when the stack being removed clears the free end of the shorter strip lill, the strip 101 isV now in position to engage the top of the remaining stack as it advances upward. During this period the longer strip'100 remains in engagement with the top of the stack being removed.
The pusher plate, which operates in predetermined synchronization with the stackingV and straightening device in order to periodically deliver a stack containing a given number of` blanks, is vertically slidable by means of wheels ltlSa, b, c and d, mounted to pusher plate 92, which are adapted to ride on vertical rails 107 and 108, respectively, mounted to support plate 90. Thus, as pusher plate 92 delivers a' pile of blanks from the machine, the stack is continuously rising and because of wheels 105e, b, c and dv riding on rails 107 and 1103 the pusher plate is made to rise in response to the movement of the top of the portion of the stack not being delivered. Thus the pusher plate does not interfere with the increasing stack even during the delivery period. A suitably positioned stop (not shown) is included to limit the downward movement of plate 92. In order that one side of the plate support 90 is secured to bushing 94 at 11i), while the other side is .secured at 111 to the bushing 95, the bushings have their respective shafts 118 and 119 which pass therethrough rigidly secured to the frame of the machine 60. Lugs 150, 1511 projecting from pusher plate 92 are positioned to engage ears 152, 153 respectively, of support member 90 to thereby limit the downward movement of pusher plate 92.
In the foregoing, I have described my invention only in connection with preferred embodiments thereof. Many variations and modiiications of the principles of my invention within the scope of the description herein are obvious. Accordingly, I prefer to be bound not by the specific disclosure herein, but only by the appending claims.
I claim:
l. A stacking, straightening and delivery mechanism adapted for use with a machine for operating on box blanks, comprising, a conveyor operable in synchronism with the said machine to move said blanks in a iirst, or longitudinal, direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine thereby forming a blank stack being fed from below, said device including apair of plates transverse to the direction of motion of the blanks between which the blanks between which the blanks may be accumulated;
one of the said plates'abutting the trailingI edge oftheblanks in the stack and being periodically reciprocally movable in a longitudinal direction to apply a straightening force to the blanks; an opening under said plate sufficient to permit the entry of at least one blank at a time, and above the upper end of said plates, a longitudinally movable plate for periodically pushing a top portion of the stack of said blanks from the said accumulating device and means for supporting the said pusher plate so that it remains in a substantially vertical position when in contact with the said blank stack, said pusher plate being mounted for limited vertical movement relative to the means 'for supporting the pusher plate, said stack being fed with blanks as the movable plate is removing said top portion from the stack.
2. The device as set forth in claim l including meansV for holding down the top of the remaining portion of the stack of blanks until delivery of the top portion of the said stack is completed and also exerting a hold-down force to the blanks remaining in the accumulating device during delivery of said stack.
3. A stacking, straightening and delivery mechanism adapted for use with a machine for operating box blanks, comprising a conveyor operable in synchronism with the said machine to move said blanks in a first or longitudinal direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine, said device including straightening means comprising a pair of plates positioned transverse to the direction of motion of the blanks between which the blanks may be accumulated in a stack; one of the said plates abutting the trailing edge of the blanks inV the stack and being periodically oscillatorily movable in a longitudinal direction; an opening under said plate sufficient to permit the entry of at least one blank at a time, and above the upper end of said plates a longitudinally movable vertically extending pusher plate for periodically pushing a top portion of said stack of said blanks from the said accumulating device while theV bottom portion of said stack remains in said device, said pusher plate being operated in synchronism with said machine, said plate having the bottom edge thereof resting upon the top of said bottom portion of said stack While said top portion is being removed by said plate, said conveyor being timed to continue delivery of blanks to the bottom of said stack while said pusher plate is removing the top portion'of the stack; a support plate carrying said pusher plate; said'pusher plate being vertically movable relative to said support plate.
4. A stacking, straightening and delivery mechanism for transporting box blanks comprising a conveyor for moving the blanks in a first, or longitudinal, direction into the mechanism, straightening means comprising a pair of plates transverse to the direction of'motion of the conveyor for confining a stack of blanks, one'of the said plates abutting the trailing edge of the blanks inthe stack ed to said support plate for vertical movementA relative thereto.
5. A stacking, straightening andV delivery' mechanismV adapted oruse with a machine for operating box blanks, comprising a conveyor operable in synchronism with the said machine to move said blanks in a first or longitudinal direction, a device above the conveyor to intercept and accumulate blanks issuing from the machine; said device comprising a first and a second means for engag- Y ing the blanks at the leading and trailing edges, respectively, thereof to thereby forma stack of blanks being fed from below; an opening under said second means suf# cient to permit the entry of at least one blank at a time, said device constructed and operated to apply a straightening force to the blanks in the stack, and above the upper end of said device a longitudinally movable vertically extending pusher plate for periodically pushing a top portion of said stack of said blanks from the said accumulating device while the bottom portion of said stack remains in said device, said pusher plate being operated in synchronism with said machine, said plate having the bottom edge thereof resting upon the top of said bottom portion of said plate, said conveyor being timed to continue delivery of blanks to the bottom of said stack while said pusher plate is removing the top portion of the stack; a support plate carrying said pusher plate; said pusher plate being vertically movable relative to said support plate.
References Cited in the file of this patent UNITED STATES PATENTS Binkard July 5, 1892 Trevette Oct. 24, 1899 Taylor Sept. 15, 1903 Hart Iune 22, 1920 Lowd Apr. 22, 1930 Hudson Aug. 18, 1931 Greenwood July 19, 1932 Sheppard Nov. 8, 1938 Tascher Apr. 6, 1943 Jamieson et al. Oct. 29, 1946 Hess Apr, 1, 1952 Chandler Mar. 16, 1954 Payne May 24, 1955 Link Apr. 16, 1957 Temple Feb. 18, 1958 Link et al. Sept. 23, 1958
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US626100A US2988236A (en) | 1956-12-04 | 1956-12-04 | Blank stacking, straightening, and delivery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US626100A US2988236A (en) | 1956-12-04 | 1956-12-04 | Blank stacking, straightening, and delivery device |
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US2988236A true US2988236A (en) | 1961-06-13 |
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US626100A Expired - Lifetime US2988236A (en) | 1956-12-04 | 1956-12-04 | Blank stacking, straightening, and delivery device |
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US3067885A (en) * | 1959-02-24 | 1962-12-11 | Conrad D Kohler | Automatic panel feeder |
US3083963A (en) * | 1958-02-13 | 1963-04-02 | Gen Binding Corp | Mechanism for removing and transporting a group of sheets from the top of a supply stack |
US3090505A (en) * | 1961-08-07 | 1963-05-21 | Lamb Grays Harbor Co Inc | Unstacker |
US3105598A (en) * | 1959-07-30 | 1963-10-01 | Nekoosa Edwards Paper Co | Cut size paper handling machine |
US3164270A (en) * | 1962-01-04 | 1965-01-05 | Owens Illinois Glass Co | Apparatus for collecting, stacking and handling sheet material |
US3174633A (en) * | 1961-01-11 | 1965-03-23 | Charles R Stevens | Apparatus for repetitively unstacking blocks of sheet material |
US3195740A (en) * | 1962-01-24 | 1965-07-20 | Nat Electric Welding Machines | Destacker |
US3229596A (en) * | 1962-12-31 | 1966-01-18 | William J Hottendorf | Box making apparatus |
US3246773A (en) * | 1963-05-29 | 1966-04-19 | Forster Mfg Co Inc | Stick stacking apparatus |
US3272160A (en) * | 1964-01-31 | 1966-09-13 | Oversewing Machine Company Of | Automatic feed apparatus for booksewing machine |
US3285607A (en) * | 1964-10-14 | 1966-11-15 | Harris Intertype Corp | Sheet delivery mechanism having an auxiliary pile support |
US3329071A (en) * | 1962-05-28 | 1967-07-04 | Michigan Carton Co | Egg carton set up machine |
US3580145A (en) * | 1969-01-16 | 1971-05-25 | Revco Inc | Counting apparatus |
US3765145A (en) * | 1971-02-25 | 1973-10-16 | Meyercord Co | Case packing machine |
JPS5065827U (en) * | 1973-10-15 | 1975-06-13 | ||
US4017004A (en) * | 1974-02-22 | 1977-04-12 | Glory Kogyo Kabushiki Kaisha | Paper money dispensing apparatus |
US4058226A (en) * | 1976-01-19 | 1977-11-15 | Box Innards, Inc. | High speed automatic stacker for partitions and the like |
US5236300A (en) * | 1989-06-17 | 1993-08-17 | Sanjo Machine Works, Ltd. | Stacking and forwarding apparatus |
US5443356A (en) * | 1992-01-21 | 1995-08-22 | Selco S.R.L. | Automatic slide-on panel loading system |
US20100078881A1 (en) * | 2008-09-26 | 2010-04-01 | Brother Kogyo Kabushiki Kaisha | Automatic sheet transporting apparatus, and automatic document scanning apparatus with the automatic sheet transporting apparatus |
KR101691365B1 (en) * | 2016-03-21 | 2016-12-30 | 주식회사 삼부포장 | Auto counting and carrying out device for packing box |
US9928679B1 (en) * | 2016-09-20 | 2018-03-27 | Diebold Nixdorf, Incorporated | Device for the output of notes of value with an adjustable guide element |
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US3083963A (en) * | 1958-02-13 | 1963-04-02 | Gen Binding Corp | Mechanism for removing and transporting a group of sheets from the top of a supply stack |
US3067885A (en) * | 1959-02-24 | 1962-12-11 | Conrad D Kohler | Automatic panel feeder |
US3105598A (en) * | 1959-07-30 | 1963-10-01 | Nekoosa Edwards Paper Co | Cut size paper handling machine |
US3174633A (en) * | 1961-01-11 | 1965-03-23 | Charles R Stevens | Apparatus for repetitively unstacking blocks of sheet material |
US3090505A (en) * | 1961-08-07 | 1963-05-21 | Lamb Grays Harbor Co Inc | Unstacker |
US3164270A (en) * | 1962-01-04 | 1965-01-05 | Owens Illinois Glass Co | Apparatus for collecting, stacking and handling sheet material |
US3195740A (en) * | 1962-01-24 | 1965-07-20 | Nat Electric Welding Machines | Destacker |
US3329071A (en) * | 1962-05-28 | 1967-07-04 | Michigan Carton Co | Egg carton set up machine |
US3229596A (en) * | 1962-12-31 | 1966-01-18 | William J Hottendorf | Box making apparatus |
US3246773A (en) * | 1963-05-29 | 1966-04-19 | Forster Mfg Co Inc | Stick stacking apparatus |
US3272160A (en) * | 1964-01-31 | 1966-09-13 | Oversewing Machine Company Of | Automatic feed apparatus for booksewing machine |
US3285607A (en) * | 1964-10-14 | 1966-11-15 | Harris Intertype Corp | Sheet delivery mechanism having an auxiliary pile support |
US3580145A (en) * | 1969-01-16 | 1971-05-25 | Revco Inc | Counting apparatus |
US3765145A (en) * | 1971-02-25 | 1973-10-16 | Meyercord Co | Case packing machine |
JPS5065827U (en) * | 1973-10-15 | 1975-06-13 | ||
US4017004A (en) * | 1974-02-22 | 1977-04-12 | Glory Kogyo Kabushiki Kaisha | Paper money dispensing apparatus |
US4058226A (en) * | 1976-01-19 | 1977-11-15 | Box Innards, Inc. | High speed automatic stacker for partitions and the like |
US5236300A (en) * | 1989-06-17 | 1993-08-17 | Sanjo Machine Works, Ltd. | Stacking and forwarding apparatus |
US5443356A (en) * | 1992-01-21 | 1995-08-22 | Selco S.R.L. | Automatic slide-on panel loading system |
US20100078881A1 (en) * | 2008-09-26 | 2010-04-01 | Brother Kogyo Kabushiki Kaisha | Automatic sheet transporting apparatus, and automatic document scanning apparatus with the automatic sheet transporting apparatus |
US8540238B2 (en) * | 2008-09-26 | 2013-09-24 | Brother Kogyo Kabushiki Kaisha | Automatic sheet transporting apparatus, and automatic document scanning apparatus with the automatic sheet transporting apparatus |
KR101691365B1 (en) * | 2016-03-21 | 2016-12-30 | 주식회사 삼부포장 | Auto counting and carrying out device for packing box |
US9928679B1 (en) * | 2016-09-20 | 2018-03-27 | Diebold Nixdorf, Incorporated | Device for the output of notes of value with an adjustable guide element |
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