US2452887A - Machine for making wirebound boxes - Google Patents

Machine for making wirebound boxes Download PDF

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Publication number
US2452887A
US2452887A US595372A US59537245A US2452887A US 2452887 A US2452887 A US 2452887A US 595372 A US595372 A US 595372A US 59537245 A US59537245 A US 59537245A US 2452887 A US2452887 A US 2452887A
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machine
bight
stapling
box blanks
box
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US595372A
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Glen P Woodbury
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Stapling Machines Co LLC
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Stapling Machines Co LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27MWORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/34Manufacture or reconditioning of specific semi-finished or finished articles of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening ; Manufacture of cleats therefor
    • B27M3/36Machines or devices for attaching blanks together, e.g. for making wire-bound boxes

Description

Nov. 2, 1948. G. P. wooDBURY 2,452,837
MACHINE FOR MAKING WIREBOUND BOXES Filed May 23, 1945 2 Sheets-Sheet 1 Xla Nov. 2, 1948. p, WOQDBURY 2,452,887
MACHINE FOR MAKING WIREBOUND BOXES Filed May 23, 1945 2 Sheets-Sheet 2 Patented Nov. 2, T943 MACHINE FOR MAKING WIRE- BOUND BOXES Glen P. Woodbury, Mountain Lakes, N. J., as-
signor to Stapling Machines Co., a corporation or" Delaware Application May 23, 1945, Serial No. 595,372
This invention relates to an improvement in the type `of wireb-ound box-making machine shown in United States Patent No. 2,161,200, of June 6, 1939, and particularly to means for reducing the burden imposed on the feed belts of the bight-f-orming machine by the transfer -of box blanks to the night-forming machine from the stapling machine which attaches the binding wires to the box blanks.
One of the :objects of the invention is to provide a flexible loop for supporting the box blanks being transferred from lthe stapling ymachine to the bight-iorming machine, which will have a lifting action on the box blanks being transferred from one machine to the other', under the inluence of weights acting on the flexible loop, so that the drag ci these box blanks against the conveyer belts `of the bight-forming machine will be reduced and 'heavier 'box blanks may be handled 4by both machines.
With the `above and other objects in view, the invention comprises centain new and useful constructions, combinations, and arrangements of parts, clearly described in the following specication, and fully illustrated in the accompanying drawings, in which;
Figure l is a top plan View, showing'the confronting ends of the stapling machine and the eight-forming machine.
Fig. 2 is a side elevation thereof,
Fig. 3 is a fragmentary top plan view of one f the flexible loop-forming bends, showing one end of the weight-carrying rod, taken on a larger scale.
Fig. 4 is a side elevation thereof.
Fig. 5 is a detail side view of a clamp.
Fig. 6 is a detail tcp plan view thereof.
In the machine of said Patent No. 2,161,200, `box blanks are fed `through and discharged from the stapling machine continuously at a uniform speed, and the stream of wire-connected box blanks which emerge from the stapling machine is drawn into the bightiorming machine by the ieed belts oi i.-
ibight-iorining machine.
Because the stapling machine operates on moving E3-cx blanks and the bightdorming machine operates on ti blanks only when they are at rest, the vchine forming mcdate t vmiti-ent feed of the bightthe box blanks 'through both machines. complished by moving the feed belts `of lit-forming machine at a sneed greater than the speed of the conveyer bands ci the stabling machine to compensate for s ieed of the sta-bling rnaust be correlated to accom- 9A Claims. (Cl. 140-93) -8 is mounted to turn in the bearings E.
the intermittent stopping of lthe box [blanks in their movement through the bight-forming machine.
Of course, when the -feed of the belts of the bight-f-orming machine is stopped, the continuous feed of the stapling machine will produce a sag in the stream of wire-connected box blanks `between the two machines. As shown and described in Isaid Patent No. 2,161,200, when this sag reaches a predetermined low point the feed belts of the bight-forming machine are automaticlally thrown into operation to take up the sag, and when the sag reaches a predetermined high point the feed of the feed belts of the hightforming machine are thrown out of operation. Thus, the feed of the feed belts of the bightforming machine is controlled by the amount of sag of box blanks between the two machines.
In said Patent No. 2,161,200, the weight of the box blanks between the stapling machine and the bight-forming machine imposes a heavy burden on the feed belts yof the bight-forming machine. The present invention is intended to reduce this burden.
Referring to the accompanying drawings, which illustrate the practical embodiment of the invention, 5 designates one side frame and 6 the other side frame of the Stapling machine, and 'l the end frame Iof the bght-forming machine.
On the side frames 5 and 6 the cross shaft This shaft carries the large pulley wheels lill and il, which are engaged by the endless steel exible conveyer bands I2 and i3. v
The stapling machine delivers a stream of box blanks connected together by binding wires which are secured by staples to the box blanks. This stream of wire-connected box blanks travels from the delivery end of the stapling machine to the receiving end or the bight-forming machine, and due to the intermittent operation of the mechani-sm of the latter machine the box blanks being transferred from the stapling machine to the bight-orming ina-chine develop a dcwnwardlycurved slack loop which rises `and falls in accord-ance with the loutput of the stapling machine and the demands of the knight-forming machine. The sag in the stream of ybox blanks produces a load `or drag which tends to overload Vthe conveyer belts of the bightnforming machine and definitely restricts the weight of box blanks which may be handled by the machines.
To reduce the effective pull lof the -bcx blanks being transferred from one machine to the other, va flexible loop is provided by companion steel 3 bands I4 and i5. One end of the band Irl is lcoupled at I6 to `a horizontal support il, by means of a link IS, so as to have a free pivotal action; and ione end of the band i is similarly coupled so as to have a free pivotal action. The other end of the band lli is connected by a clamp 2| to ya flexible cable 22, whichfis trained over a grooved pulley 23 mounted to turn freely on the end frame member 1 of the bight-forming machine; and the other end of the band i5 is sim-; iilarly coupled to a flexible cable 2Q bymeans of a clamp 25, and this cable is trained `over a.
grooved pulley 26, which is mounted to turn freely on the end frame member l.
The lower ends of the flexible cables 22 and 2A? `openings 28e to receive the cable it engages.` The cable end is looped around the rod 2l, and the ends `of this supporting loop are clamped by means of washers Eile and 28d, which are closed against the cable and against a head 28e of the bolt 28a by means of a nut 28j.
On the rod 2l, a series of selected weights 29 are arranged to maintain a predetermined lifting for-ce on the two flexible bands M land i5.
The stream. of box blanks B moves from the stapling machine, over downwardly-curved stationary guides 3U and 3i and over the flexible bands Il! and l5, in a downward loop, and then rises over the downwardly-curved guides 32 and 33 of the bight-forming machine.
The weight of the stream of box blanks riding on the bands i4 and I5 is counteracted .by the weighted rod 21 which maintains an upward pull on the bands `and the box blanks riding thereon` This upward pull tends to balance the gravity pressure developed by the weight of the box blanks, and to the extent that it reduces this gravity pressure it also reduces the burden im.- posed upon the feed belts `of the bight-forming machine.
The starting and stoppingcofpthe feed belts of the bight-forming machine may be mechanically controlled, as. shown in said Patent No. 2,161,200, or it may be electrically controlled by the rise and fall of a switch-controlling arm 34 which is supported at its upper end on a lateral arm 35 of a post 36 and is provided with a ueshaped lower end 31 which rides on the box blanks being transferred from one machine to the other. This control need not be described herein as it forms no part of the present invention.
It will be understood that the invention is not to be limited to the specific embodiment shown herein for illustration.
I claim:
1. The combination with the delivery end of a box-blank stapling machine and the .receiving end of a box-blank bight-forming machine, of a flexible band pivotally connected to the delivery end of the stapling machine and adapted to support box blanks delivered from the stapling machine, a guide mounted on the receiving end of the bight-forming machine, a flexible cable connected with the band and movable on the guide, and a weight connected with the flexible cable, whereby a lifting action will be maintained on the flexible ,band and the box blanks being transferred from the stapling machineA to the bight-forming machine..
2. Thecombination with the delivery end vvof i a box-blank stapling machine and the receiving end of a bight-forming machine arranged to operate on the box blanks, of a flexible boxblank supporting cradle pivotally connected at one end to the delivery end of the stapling machine and having a Weighted end slidable on the receivingend of the bight-forming machine, whereby box blanks being transferred from the stapling machine to the bight-forming machine rwill be subjected to a lifting action during such transfer.
3. A flexible cradle for supporting box blanks being transferred from a box-stapling machine to a bight-forming machine, comprising a pair offlexible bands having means for pivotally connecting the same to the delivery end of a stapling machine, pulleys having means for supporting the same on the receiving end of the bightforming machine, flexible cables connected to said bands and engaging the pulleys, and a rod connected to the flexible cables and provided with weights.
4. The combination with the delivery end of a box-blank stapling machine and the receiving end of a bight-forming machine, of a pair. of flexible bands having pivotal connection with the stapling machine, pulleys supported on the end of the bight-forming machine, flexible cables connected to the ends of the bands and engaging said pulleys, a rod connected to both-cablesand a weight arranged on the rod, whereby a lifting action will be constantly maintained on the flexible bands against the weight of box blank-s delivered by the stapling machine.
5. The combination with a box blank stapling machine and a bight-forming machine having work feeding means for drawing into the hightforming machine box blanks discharged by the stapling machine, of means to reduce the burden imposed upon the work feeding means by the weight of the box blanks being transferred'from the stapling machine to the bight-forming machine, comprising, a flexible loop arranged be,- tween the confronting ends of the machines, and mean independent of said feeding means for causing a lifting action to be exertedby the loop upon box blanks being transferred from the stapling machine to the night-forming machine.
6. The combination with a box blank stapling machine and a bight-forming machine having workfeeding means for drawing into the bightforming machine box blanks discharged by the stapling machine, of means to reduce the burden imposed upon the work feeding means by the weight of the box blanks being transferredfrom the stapling machine to the bight-forming .machine, comprising, a flexible support for the box blanks arranged between the confronting ends of the machines, and weight means arranged to cause a lifting action to be exerted by the flexible support upon box blanks being transferred from the stapling machine to the bight-forming machine.
7. The combination with a box blank stapling machine and a bight-forrning machine having work feeding means for drawing into the bightforming machine box blanks discharged by the stapling machine, of means to reduce the burden imposed upon the work feeding means by the weight of the box blanks being transferred from the stapling machine to the bightfforrning machine, comprising, a flexible band connecting the two machines to support box blanks delivered from the stapling machine and means arranged to maintain a constant lifting pressure on the band and box blanks supported thereon.
8. The combination with a box blank stapling machine and a bight-forming machine having work feeding means for drawing into the bightforming machine box blanks discharged by the stapling machine, of means to reduce the burden imposed upon the Work feeding means by the Weight of the box blanks being transferred from the stapling machine to the bight-forming machine, comprising, a fiexible loop arranged between the confronting ends of the machines, and weight means arranged to maintain a constant lifting pressure on the loop and box blanks supported thereon.
9. The combination with a box blank stapling machine and a bight-forming machine having Work feeding means for drawing into the bightforming machine box blanks discharged by the stapling machine, of means to reduce the burden imposed upon the work feeding means by the Weight of the box blanks being transferred from the stapling machine to the bight-forming ma chine, comprising, a flexible support for the box blanks arranged between the confronting ends of the machines, and means arranged to maintain a constant lifting action on the flexible support.
GLEN P. WOODBURY.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 427,572 Hills May 13, 1890 482,128 Kerr Sept. 6, 1892 506,798 Scott Oct. 17, 1893 616,608 Edwards Dec. 27, 1898 1,711,194 Adam Apr. 30, 1929 2,161,123 Avery et al. June 6, 1939 2,161,200 Rosenmund June 6, 1939 2,391,170 Labombarde Dec. 18, 1945
US595372A 1945-05-23 1945-05-23 Machine for making wirebound boxes Expired - Lifetime US2452887A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US427572A (en) * 1890-05-13 Machine for cutting collar or cuff blanks
US482128A (en) * 1892-09-06 Take-up device for cloth-cutting machines
US506798A (en) * 1893-10-17 Feeding and cutting mechanism for printing-presses
US616608A (en) * 1898-12-27 edwards
US1711194A (en) * 1926-10-11 1929-04-30 Adam Folger Fence machine and the like
US2161200A (en) * 1937-04-03 1939-06-06 Stapling Machines Co Machine for making wired box parts
US2161123A (en) * 1936-04-27 1939-06-06 Murray Corp Pad forming apparatus
US2391170A (en) * 1942-08-20 1945-12-18 Int Paper Box Machine Co Stacker accumulator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US427572A (en) * 1890-05-13 Machine for cutting collar or cuff blanks
US482128A (en) * 1892-09-06 Take-up device for cloth-cutting machines
US506798A (en) * 1893-10-17 Feeding and cutting mechanism for printing-presses
US616608A (en) * 1898-12-27 edwards
US1711194A (en) * 1926-10-11 1929-04-30 Adam Folger Fence machine and the like
US2161123A (en) * 1936-04-27 1939-06-06 Murray Corp Pad forming apparatus
US2161200A (en) * 1937-04-03 1939-06-06 Stapling Machines Co Machine for making wired box parts
US2391170A (en) * 1942-08-20 1945-12-18 Int Paper Box Machine Co Stacker accumulator

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