US694031A - Box-stapling machine. - Google Patents

Box-stapling machine. Download PDF

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Publication number
US694031A
US694031A US5342601A US1901053426A US694031A US 694031 A US694031 A US 694031A US 5342601 A US5342601 A US 5342601A US 1901053426 A US1901053426 A US 1901053426A US 694031 A US694031 A US 694031A
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Prior art keywords
bars
heads
driving
box
staple
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US5342601A
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Joseph Schmidt Jr
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JOHN L FLANNERY
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JOHN L FLANNERY
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/06Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor without provision for bending the ends of the staples on to the work
    • B25C5/08Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor without provision for bending the ends of the staples on to the work with means for forming the staples in the tool
    • B25C5/085Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor without provision for bending the ends of the staples on to the work with means for forming the staples in the tool starting from performed staples

Definitions

  • g/VVENTOR a 6. m /m zd 1% WITNESSES TORNE Y5 No. 694,03l. Patented Feb. 25, I902.
  • JOSEPH SCHMIDT JR, OF CHICAGO, ILLINOIS, ASSIGNOR TO JOHN L.
  • This invention relates to a machine for use in the manufacture of boxes and like receptacles, and has for its object to provide a device of this character that is more especially v5 intended for stapling three corners of a boxframe at one operation, as will be hereinafter set forth in detail.
  • Figure 1 is a front elevation of a machine embodying the .operative features.
  • Fig. 2 is an end elevation looking 3'0 at the right-hand end of Fig. 1.
  • Fig. 3 is a vertical transverse section and part elevation on line 3, Fig. 1, looking in the direction indicated by the arrow.
  • Fig. at is vertical transverse section on line 4, Fig. 1.
  • Fig. 5 35 is a longitudinal horizontal section on line 5,
  • Fig. 1 is an edge view of ⁇ a board boxblank provided with kerfs preparatory to the stapling operation.
  • Fig. 7 is an elevation of one of the driving-heads.
  • Fig. 8 isa vertical 4o section on line 8
  • Fig. 7 is a broken vertical section on line 9, Fig. 7.
  • I Fig. 10 is a similar view on line 10, Fig. 7.
  • Fig. 11 is a horizontal section on line 11, Figs. 7 and 8.
  • Fig. 12 is a horizontal section on line 12, Figs.
  • Fig. 13 is a horizontal section on line 13, Figs. 7 and S.
  • Fig. 14 is a brokenaway detail of the Wire-cutting and stapleforming mechanism.
  • Fig. 15 is an elevation and part section of'the clenching mechanism.
  • Fig. 16 is a horizontal section on line 16, Fig.
  • Fig. 17 is a view in perspective of' a box-frame folded and ready for the final operation of fastening the fourth or closing corner.
  • the main supporting-frame consists of the respective ends A A, the connecting top beams B B, the upper front barO, the corresponding'back bar 0, and the lower ,front and back bars D and D.
  • the companion bars 2 and 3 run longitudinally with reference to the main frame and have their respective ends rigidly secured in the companion heads 4 and 5, for which guide-bearings 6 are provided, adapting the same to have a vertical movement in the respective ends of the frame.
  • a number of cross-heads 7 are mounted on the bars 2 and 3 and are longitudinally adjustable thereon. In this instance three cross-heads are shown in position, Fig. 1, the
  • a number-of driving-heads 9 are adjustably mounted on the rod or rods 8.
  • the number of driving-heads mounted in each of the cross-heads 7 will be in accordance with the dimensions of the box-receptacle and the number of staples to be inserted in the respective corner-joints, each driving-head in.-
  • each driving-head is loosely framed in the back guides 14,
  • the front and back framebars 0 and O are provided longitudinally with slots 22, Figs. 1 and 3, through which are inserted adjusting and locking bolts 23, entering the respective end plates 19 and 20, and provides for the adjusting of each group of driving-heads either nearer to or farther apart with reference to the longitudinal dimensions of the machine and in accordance with the distance to be maintained between each row of staples.
  • Companion bearing-pins 24 and 25 are inserted in the heads 4 and 5 at each end of the machine.
  • the upper ends of the companion connecting-rods 26 and 27 are properly joined to the bearing-pins.
  • the lower strap ends of these connecting-rods engage eccentrics 28 and 29, which are mounted on the respective ends of a driving-shaft 30. This provides the operative connection for transmitting the up-and-down movement to each group of driving-heads simultaneously.
  • the bars 12 and 13 possess the dual function of cutting olf the wire and forming the staples and move in advance of the driver or drivers on the downstroke. These bars are connected at their upper ends by a transverse bar 31, as shown in Figs. 7 and 8. In these last figures the different parts of the driving-head are shown in their normal position. In Fig. 7 the upper end of the stapledriver is shown broken away. In Fig. 3 the upper end is shown connected to clip 10, as at 32.
  • curved companion arms 33 and 34 are pivoted to the driver, as at 35. Down below their pivotal point these arms are each provided with a beveled shoulder 36, which is adapted to have an intermittent engagement with notches 37, formed in the upper edges and ends of the cross-bar 31, connecting the cutting and forming bars.
  • a face or cap plate 38 (shown in Fig. 8, but omitted in Fig. 7) is removably attached to the front side of the back guide 14 and is provided on its upper end and opposite edges with a beveled surface 39, as indicated hiya dotted'line in Fig. 7.
  • the down movement of the cutting and forming bars is arrested at the proper time by the lower ends 40 of the curved arms coming in contact with the beveled sloping surface 39, which has the effect of imparting a lateral movement to the curved arms and spreading them far enough apart to disengage the same from the cross-bar 31, the down movement of the driver continuing until the staple is inserted.
  • the lower part of the driver is providedon its respective edges with a rib 44, 7, which terminates with the lower end of the
  • the adjacent edges of the cutterbars are provided with a groove 45, Fig. 14, with which the ribs 44 engage.
  • the lower ends of the cutter-bars are beveled on both sides, as at 46, which form will have the efl'ect of cutting off the wire and providing each end of the staple with a sharp beveled point,
  • An anvil 47 Figs. 7 and 8, is seated in an opening formed in the driving-head guideplate.
  • the front part of this anvil is provided with a beveled surface 48 and normally is located in the path of the driver.
  • a spring 49 is secured to the an- .vil, Fig. 8, the upper end being secured to the rear side of the back guide 14, and serves to return the anvil to its normal position after the driver has moved upward out of contact.
  • the anvil is provided in the front side with a wire-groove 50, the wire strand 51, from which the staples are made, being shown in the groove.
  • a bolt 52 is inserted through the cross-bar of the cutter-bars and ends against theinner side of the back guide 14.
  • the driveris promechanism.
  • the wire from which the staples are made enters on the side 56, Fig. 7, and passes through the groove in the anvil and through a movable wire-guide 57 into an aperture 58, Figs. 9 and 10, in the bottom die 59, having a V- groove 60in the inner edge, as best shown in Fig. 13.
  • This groove corresponds to the double-beveled lower engaging end of the cutting-bar on that side.
  • the normal position of guide 57 is in the path of the cutting-bar on that side and serves to guide the wire into the aperture in the die member 59, from which it protrudes, as shown inFig. 7.
  • a lower companion die member 63 is provided for the cutting-bar on the opposite side, by which means both ends of the staple are cut olf-clean and sharpened, so as to more easily penetrate the work.
  • the staple is now ready for the con tact of the driver, which is moving down, and as the driver comes in contact with the beveled edge of the anvil it forces the same back out of its path and frees the staple therefrom and comes in contact with the back thereof, the ribs on the respective sides of the driver contacting the corners of the staple resting in the lower part of the grooves in the adjacent edges of the cutting-bars, thus providing for a continuous bearing the full wid th of the staple and setting the same close into the surface of the work.
  • the length of wire fed in at each periodical movement of the feed mechanism is alittle more than is required for a staple, which provides for the cutting and sharpening of both ends, the bit of waste wire remaining in the die member 59 until ejected by the next entering end of the wire.
  • the clenching mechanism is located directly under the driving mechanism and is actuated by the same driving-shaft.
  • a plurality of clenching devices are provided, one for each driving-head and set directly under and in line therewith, so that the operation of clenching is performed simultaneously with the insertion of the staple.
  • the clenching mechanism is adjustable both laterally and longitudinally to correspond to the adjustment of the driving mechanism and is supported in the lower front and back framing-bars D and D of the main frame.
  • the clenching-mechanism frame consists of the companion side bars 66 and 67, Figs. 3, 15, and 16, and the two end pieces 68 and 69, to which the respective ends of the side bars are secured, as at 70.
  • a plan of this supplementary frame is also shown in Fig. 5; but the clenching devices proper are omitted from this figure in order to avoid confusion.
  • the holding and adjusting bolts 71 are inserted through longitudinal slots 72in the front bar D of the main frame and engage the end piece 68.
  • the companion bolts 73 are inserted through the longitudinal slots 74 in the back bar D of the main frame and engage the end piece 69. This arrangement provides for t-helongitudinal adjustment of the clenchingheads relatively in the same manner as that of the driving-heads.
  • the side bars 66 and 67 are provided longitudinally with slots 75, through which are inserted holding and adjusting bolts 76, engaging the respective sides of the clencher back guide 77, in which the clencher plate or plates 78 havea vertical movement.
  • the clencher-plates are adj ustably mounted on a cross-bar 79, forming a part of a lifting-yoke 80.
  • the respective sides 81 of this yoke are rabbeted in the end pieces 68 and 69, Figs.
  • the stem of the yoke is bifurcated at its lower end and loosely embraces the drivingshaft, as shown at-82, Figs. 1 and3.
  • the removable cap 83 (shown in place in Fig. 16, but omitted in Fig. 15) is provided with companion guide-pins Set, loosely engaging vertical companion slots 85in the clenching-plate 78, so as to allow for a free movecave surface 89 of the dogs and are curved inwardly in the direction of each other, as shown, the clencher mechanism being at rest.
  • the dogs As the clencher-plate moves upwardly the dogs have a movement in the arc of a circle, and by reason of the higher surface between the point of the staple and pivot of the dogs a drawing action is imparted to the ends of the staple and the same drawn inwardly and em-' bedded in the inside surface of the work.
  • the vertical movement of the yoke or yokes 80, carrying the series of clencher-heads, is effected by a cam-wheel 90, rigidly mounted on the driving-shaft adjacent to the stem of each yoke, Figs. 1 and 3.
  • a bracket 91 issecured to each yoke-stem and has a roller 92 journaled therein and which hasa rolling contact with the periphery of the cam-wheel 90.
  • Each of the cam-wheels is provided on its periphery with a projection or raised part .93, Fig. 3, which isfadapted to have an intermittent contact withthe roller 92 and impart an up movement" to the clenching mechanism.
  • a motion-transmitting shaft 94 is mounted on the front sideof the machine and has its respective ends provided withsuitable bearings in the hangers 95, secured to the main frame, Figs. 1, 2, and 4.
  • a transverse counter-shaft 96 is provided for each series of driving or stapling heads, Figs. 3 and 5, which extend along one side thereof and are journaled in hangers 97.
  • a pinion 98 is mounted on the front end of each of the countershafts. These pinions engage the companion pinions 99, disposed at intervals on shaft 94:.
  • a pinion 100 is mounted on one end of shaft 94-, Figs.
  • a camwheel107 is rigidly mounted on the main driving-shaft, Figs.
  • a series of feed-rollers 109 is mounted on the feed-shafts in line with the driving-heads, as shown in Figs. 1 and 5. Above each of these feed-rollers and in line therewith are located tension or gripping rollers 110, journaled in the heel of a corresponding member of angle or bell-crank levers 111, pivoted at their lower ends to the faceplate of the driving-heads.
  • a tension set-screw 112 (indicated by dotted lines in Fig. 1) is inserted through the upper ends of levers 111 and is tapped in the adjacent surface of the frame.
  • FIG. 6 An edge view of the board-blank 113, forming the frame of a box, is shown in Fig. 6.
  • the grooves or kerfs 114 are cut from the under side to the proper depth, leaving the extension-surface intact and spaced to indicate the position of the corners.
  • Adjacent to Fig. 6 the blank is shown in position to be passed into the machine from the front side for the operation of stapling three of the cornerjoints while the blank is held in the flat position shown.
  • the blank is inserted in the machine through the space 115 separating the driving and clenching mechanism and is supported on the frame-surface of the latter, which forms a table-bed therefor in the operation of stapling.
  • the ma.- chine Fig.
  • the blank is shown after having passed through, the different staples in each of the rows being simultaneously inserted.
  • the sections forming the different sides of the box are bent around at right angles, the two beveled ends 116 of the blank forming the fourth or closing corner, and is stapled on a machine like that shown in my application filed April 4, 1000, Serial No. 11,462.
  • the combination with the longitudinal companion bars adapted to have a vertical movement, of a number of cross-heads, adjustably mounted thereon, a plurality of driving-heads, adj ustably supported by said cross-heads whereby the driving-heads have both a longitudinal and a transverse adjustment in changing the workingposition of the same, substantially as described.
  • a plurality of driving-heads mounted in each of said cross-heads and arranged in rows transversely, and means for positioning the driving-heads both with reference to the spacing of the staples and the distance between the corner-joints, substantially as described.
  • a box-stapling machine the combination with a cross-head, adjustably mounted, the operative connection for transmitting a vertical movement thereto, a rod, having its respective ends fixed in said cross-head, a staple-driver, a clip, providing a movable connection between said rod and driver, the staple-forming bars, a back guide, in which the driver and forming-bars are loosely framed, and means for movably supporting said back guide, substantially as described.
  • a main frame provided in its respective ends with vertical guide-bearings, the longitudinal companion bars, the companion heads, moving in said guides, the driving-shaft,the companion rods, operatively connecting said heads and driving-shaft, a number of cross-heads'mounted on said longitudinal bars, and a plurality of driving-heads, supported from said crossheads, substantially as described.
  • a drivinghead comprising a staple-driver, the wirecutting and staple-forming bars, a transverse bar connecting the upper ends of the forming-bars, the curved arms, pivotedat their upper ends to the driver and normally engaging said transverse bar, means for disengaging said arms in arresting the down movementof the forming-bars, means for'returning said arms to their normally engaged position, the back guide, in whichthe driver and forming-bars have a vertical movement, and an anvil-die, movably secured in the back guide and normally positioned in the path of the said driver, substantially as described.
  • the cutting and forming bars having their lower ends beveled to an edge, of the companion die members, 'provided with grooves and with which the forming-bars are adapted to engage in severing the wire and sharpening both ends of the staple, and a wire-guide, normally located in the path of one of the forming-bars and adapted to be forced backward out of the way by the contact thereof at the proper time, and means for returning said guide to its normal position when the forming-bar shall have passed out of contact, substantially as described.
  • the combination with the lower front and back framingbars, of the clencher-frame, comprising the companion side bars and the two end pieces, and means for changing the position of the clencher-frame in bringing the parts into alinement with the driving-heads, substantlally as described.
  • a yoke upon which the clencher-plate is mounted, and provided with a stem; the lower end of which is bifurcated .and loosely embraces the driving-shaft, and
  • a retaining back guide adapted to have both a longitudinal and a transverse adjustment with reference to the main frame, a yoke, on which the clencher-plate is mounted, said yoke being provided with a stem having a biwhichengage the pinions on shaft 94, a pin ion, mounted on one end of shaft 94:, a rackbar, having its upper end engaging said pinion, and means for imparting a vertical movement to said rack-bar in actuating the wire feed shafts, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

Patented Feb. 25, I902.
SCHMIDT, m. 80X STAPLING MACHINE.
7 Application filed Mar. 29, 1901.} (No Model.) 6 Sheets-Sheet I.
FIG-f1.
' INVENTQR.
W1 TNESSES fg m a M /4 I THE NORRIS mans co. Pnorouwoq wAsmNpToN, n. c.
Patented Feb. 25, I902.
.l. SCHMIDT, 1n. BOX STAPLING MACHINE.
(Application filed Mar. 29, 1901.)
" 6 Shaets-Shaet a.
(No Model.)
g/VVENTOR: a 6. m /m zd 1% WITNESSES TORNE Y5 No. 694,03l. Patented Feb. 25, I902.
.1. SCHMIDT, m. BOX STAPLING MACHINE.
(Application filedllar. 29, 1901.) (No Model.) 6 Sheets-Sheet 4;
, gNVENTOJF.
%0 A ORNEYS /0' 9 WITNESSES /92 ML oZwaizww No. 694,031. Patented Feb. 25, I902.
J. SCHIMDT, In.
' BOX STAPLING MACHINE.
Applicatinn filed Mar. 29, 1901.1
' WITNESSES if} mudvna NVENTOR.
Patented Feb. 25, I902.
No. 694,03l.
J. scnmnr, 1n. 80X STAP'LING MACHINE.
(Application filed Mar. 29, 1901.) I (No llodel.)-" 6 Sheets-Shut 6.
W; 7 v I,
2a 97 l s mu llwwmml ml 74 Am WITNESSES: INVENTOR;
UNITED STATE PATENT OFFICE.
JOSEPH SCHMIDT, JR, OF CHICAGO, ILLINOIS, ASSIGNOR TO JOHN L.
" FLANNERY, OF CHICAGO, ILLINOIS.
SPECIFICATION forming part of Letters wa No. 694,031, dated February 25, 1902.
- Application filed March 29, 190i. Serial 1i... 53,426. (No model.)
cago, in the county of Cook and State of Illi-,
nois, have invented certain new and useful Improvements in Box Stapling Machines; and
I do hereby declare the following to be a full,
I clear, and exact description of the invention,
such as will enable others skilled in the art to re which it appertains to make and use the same.
This invention relates to a machine for use in the manufacture of boxes and like receptacles, and has for its object to provide a device of this character that is more especially v5 intended for stapling three corners of a boxframe at one operation, as will be hereinafter set forth in detail.
The operation of stapling the three corners tal position.
folded at right angles and the frame portion of the structure completed by fastening the 2'5 joining ends forming the fourth-or closing corner.
In the drawings, Figure 1 is a front elevation of a machine embodying the .operative features. Fig. 2 is an end elevation looking 3'0 at the right-hand end of Fig. 1. Fig. 3 is a vertical transverse section and part elevation on line 3, Fig. 1, looking in the direction indicated by the arrow. Fig. at is vertical transverse section on line 4, Fig. 1. Fig. 5 35 is a longitudinal horizontal section on line 5,
Fig. 1. Fig. 6 is an edge view of\a board boxblank provided with kerfs preparatory to the stapling operation. Fig. 7 is an elevation of one of the driving-heads. Fig. 8 isa vertical 4o section on line 8, Fig. 7. Fig. 9 is a broken vertical section on line 9, Fig. 7. I Fig. 10 is a similar view on line 10, Fig. 7. Fig. 11 is a horizontal section on line 11, Figs. 7 and 8. Fig. 12 is a horizontal section on line 12, Figs.
5 7 and 8. Fig. 13 is a horizontal section on line 13, Figs. 7 and S. Fig. 14 is a brokenaway detail of the Wire-cutting and stapleforming mechanism. Fig. 15 is an elevation and part section of'the clenching mechanism.
Fig. 16 is a horizontal section on line 16, Fig.
15; and Fig. 17 is a view in perspective of' a box-frame folded and ready for the final operation of fastening the fourth or closing corner.
The main supporting-frame consists of the respective ends A A, the connecting top beams B B, the upper front barO, the corresponding'back bar 0, and the lower ,front and back bars D and D., The companion bars 2 and 3 run longitudinally with reference to the main frame and have their respective ends rigidly secured in the companion heads 4 and 5, for which guide-bearings 6 are provided, adapting the same to have a vertical movement in the respective ends of the frame.
A number of cross-heads 7 are mounted on the bars 2 and 3 and are longitudinally adjustable thereon. In this instance three cross-heads are shown in position, Fig. 1, the
interval or space between each corresponding to the relative position of three corners of a box-frame. The respective ends of a rod 8 are secured in the lower bifurcated ends of each of the cross-heads, as shown in Figs. 1
and 3. A number-of driving-heads 9 are adjustably mounted on the rod or rods 8. The number of driving-heads mounted in each of the cross-heads 7 will be in accordance with the dimensions of the box-receptacle and the number of staples to be inserted in the respective corner-joints, each driving-head in.-
serting one staple and all being inserted siprise a clip 10, adjustably mounted on the cross-head rods 8, a staple-driver 11, wirecutting and staple-forming bars 12 and 13, which flank the driver, and other elements that will be hereinafter referred to. The cutting and forming bars of each driving-head are loosely framed in the back guides 14,
- which are adjustably secured between transverse bars 15 and 16, provided longitudinally with slots 17, Fig. 3, through .which the adher of bolts 21. The front and back framebars 0 and O are provided longitudinally with slots 22, Figs. 1 and 3, through which are inserted adjusting and locking bolts 23, entering the respective end plates 19 and 20, and provides for the adjusting of each group of driving-heads either nearer to or farther apart with reference to the longitudinal dimensions of the machine and in accordance with the distance to be maintained between each row of staples.
Companion bearing-pins 24 and 25 are inserted in the heads 4 and 5 at each end of the machine. The upper ends of the companion connecting- rods 26 and 27 are properly joined to the bearing-pins. The lower strap ends of these connecting-rods engage eccentrics 28 and 29, which are mounted on the respective ends of a driving-shaft 30. This provides the operative connection for transmitting the up-and-down movement to each group of driving-heads simultaneously.
The bars 12 and 13 possess the dual function of cutting olf the wire and forming the staples and move in advance of the driver or drivers on the downstroke. These bars are connected at their upper ends by a transverse bar 31, as shown in Figs. 7 and 8. In these last figures the different parts of the driving-head are shown in their normal position. In Fig. 7 the upper end of the stapledriver is shown broken away. In Fig. 3 the upper end is shown connected to clip 10, as at 32.
The upper ends of curved companion arms 33 and 34 are pivoted to the driver, as at 35. Down below their pivotal point these arms are each provided with a beveled shoulder 36, which is adapted to have an intermittent engagement with notches 37, formed in the upper edges and ends of the cross-bar 31, connecting the cutting and forming bars. By this means the down movement of the driver is transmitted to the cutting-bars, which keep the advanced position, Fig. 7, until the staple has been formed.
A face or cap plate 38 (shown in Fig. 8, but omitted in Fig. 7) is removably attached to the front side of the back guide 14 and is provided on its upper end and opposite edges with a beveled surface 39, as indicated hiya dotted'line in Fig. 7. Z
The down movement of the cutting and forming bars is arrested at the proper time by the lower ends 40 of the curved arms coming in contact with the beveled sloping surface 39, which has the effect of imparting a lateral movement to the curved arms and spreading them far enough apart to disengage the same from the cross-bar 31, the down movement of the driver continuing until the staple is inserted.
The inner ends of two spiral springs 41 and 42 are connected to a ring 43, fixed in the driver,tl1e outer ends of these springs connecting with the curved arms, as at a, and serv ing to return the same to their normal endriver.
gaged position with the crossbar 31 on the up movement of the driving mechanism and ready for the next down movement.
The lower part of the driver is providedon its respective edges with a rib 44, 7, which terminates with the lower end of the The adjacent edges of the cutterbars are provided with a groove 45, Fig. 14, with which the ribs 44 engage. The lower ends of the cutter-bars are beveled on both sides, as at 46, which form will have the efl'ect of cutting off the wire and providing each end of the staple with a sharp beveled point,
so that it may be more easily driven.
An anvil 47, Figs. 7 and 8, is seated in an opening formed in the driving-head guideplate. The front part of this anvil is provided with a beveled surface 48 and normally is located in the path of the driver. The
lower end of a spring 49 is secured to the an- .vil, Fig. 8, the upper end being secured to the rear side of the back guide 14, and serves to return the anvil to its normal position after the driver has moved upward out of contact. The anvil is provided in the front side with a wire-groove 50, the wire strand 51, from which the staples are made, being shown in the groove.
A bolt 52 is inserted through the cross-bar of the cutter-bars and ends against theinner side of the back guide 14. The driveris promechanism.
The wire from which the staples are made enters on the side 56, Fig. 7, and passes through the groove in the anvil and through a movable wire-guide 57 into an aperture 58, Figs. 9 and 10, in the bottom die 59, having a V- groove 60in the inner edge, as best shown in Fig. 13. This groove corresponds to the double-beveled lower engaging end of the cutting-bar on that side. The normal position of guide 57 is in the path of the cutting-bar on that side and serves to guide the wire into the aperture in the die member 59, from which it protrudes, as shown inFig. 7. As the cutting-bar comes in contact with the beveled surfaces 61 of the wire-guide it forces the same back out of the way in order to engage the wire in the operation of forming the staple. This guide is returned to its normal position after the cutting-bar has moved upward by a spring 62. (Shown in Fig. 9.) A lower companion die member 63 is provided for the cutting-bar on the opposite side, by which means both ends of the staple are cut olf-clean and sharpened, so as to more easily penetrate the work.
ICC
As the cutting-bars come in contact with and sever the wire and move down past the respective ends of the anvil the portion 64, bent around at right angles in forming the rectangular staple 65, rests in the'grooves 45 in the cutting and forming bars, as shown in Fig. 14. The staple is now ready for the con tact of the driver, which is moving down, and as the driver comes in contact with the beveled edge of the anvil it forces the same back out of its path and frees the staple therefrom and comes in contact with the back thereof, the ribs on the respective sides of the driver contacting the corners of the staple resting in the lower part of the grooves in the adjacent edges of the cutting-bars, thus providing for a continuous bearing the full wid th of the staple and setting the same close into the surface of the work.
The length of wire fed in at each periodical movement of the feed mechanism is alittle more than is required for a staple, which provides for the cutting and sharpening of both ends, the bit of waste wire remaining in the die member 59 until ejected by the next entering end of the wire.
The clenching mechanism is located directly under the driving mechanism and is actuated by the same driving-shaft. A plurality of clenching devices are provided, one for each driving-head and set directly under and in line therewith, so that the operation of clenching is performed simultaneously with the insertion of the staple. The clenching mechanism is adjustable both laterally and longitudinally to correspond to the adjustment of the driving mechanism and is supported in the lower front and back framing-bars D and D of the main frame.
The clenching-mechanism frame consists of the companion side bars 66 and 67, Figs. 3, 15, and 16, and the two end pieces 68 and 69, to which the respective ends of the side bars are secured, as at 70. A plan of this supplementary frame is also shown in Fig. 5; but the clenching devices proper are omitted from this figure in order to avoid confusion. The holding and adjusting bolts 71 are inserted through longitudinal slots 72in the front bar D of the main frame and engage the end piece 68. The companion bolts 73 are inserted through the longitudinal slots 74 in the back bar D of the main frame and engage the end piece 69. This arrangement provides for t-helongitudinal adjustment of the clenchingheads relatively in the same manner as that of the driving-heads.
The side bars 66 and 67 are provided longitudinally with slots 75, through which are inserted holding and adjusting bolts 76, engaging the respective sides of the clencher back guide 77, in which the clencher plate or plates 78 havea vertical movement. The clencher-plates are adj ustably mounted on a cross-bar 79, forming a part of a lifting-yoke 80. The respective sides 81 of this yoke are rabbeted in the end pieces 68 and 69, Figs.
3 and 5, to retain the same in proper position and provide for the vertical movement there-v of. The stem of the yoke is bifurcated at its lower end and loosely embraces the drivingshaft, as shown at-82, Figs. 1 and3.
The removable cap 83 (shown in place in Fig. 16, but omitted in Fig. 15) is provided with companion guide-pins Set, loosely engaging vertical companion slots 85in the clenching-plate 78, so as to allow for a free movecave surface 89 of the dogs and are curved inwardly in the direction of each other, as shown, the clencher mechanism being at rest. As the clencher-plate moves upwardly the dogs have a movement in the arc of a circle, and by reason of the higher surface between the point of the staple and pivot of the dogs a drawing action is imparted to the ends of the staple and the same drawn inwardly and em-' bedded in the inside surface of the work. The opposite clenched position of the dogs is indicated by dotted lines. This form of a dog prevents the staple from backing out 3 but such action is also guarded against byso timing the movements of the different parts that the operation of clenching is completed before the pressure of the staple-d riving heads is relaxed.
The vertical movement of the yoke or yokes 80, carrying the series of clencher-heads, is effected by a cam-wheel 90, rigidly mounted on the driving-shaft adjacent to the stem of each yoke, Figs. 1 and 3. A bracket 91 issecured to each yoke-stem and has a roller 92 journaled therein and which hasa rolling contact with the periphery of the cam-wheel 90. Each of the cam-wheels is provided on its periphery with a projection or raised part .93, Fig. 3, which isfadapted to have an intermittent contact withthe roller 92 and impart an up movement" to the clenching mechanism. When the cam-projection has passed out of contact with the roller 92-, the clenchingmechanism returns to its lower normal position;
The wire from which the staples are made is taken directly-from a spool or reel, and the wire-feed mechanism will be next described. A motion-transmitting shaft 94: is mounted on the front sideof the machine and has its respective ends provided withsuitable bearings in the hangers 95, secured to the main frame, Figs. 1, 2, and 4. A transverse counter-shaft 96 is provided for each series of driving or stapling heads, Figs. 3 and 5, which extend along one side thereof and are journaled in hangers 97. A pinion 98 is mounted on the front end of each of the countershafts. These pinions engage the companion pinions 99, disposed at intervals on shaft 94:. A pinion 100 is mounted on one end of shaft 94-, Figs. 1, 2, 4, and 5, with which the upper end of a rack-bar 101 engages. The lower end of this rack-bar is provided with a friction-roller 102, loosely engaging an elongated slot 103 in the outer end of a motion-trans mitt-ing link 104:, the inner end of which is pivoted, as at 105, to one end of the main frame. The rack-bar is retained in its proper working position by a guide-lug 106. A camwheel107is rigidly mounted on the main driving-shaft, Figs. 1 and at, and is provided on its rim with a raised part 108, which is ad apted to have contact once in each revolution of the cam-wheel 107 with the link 104: and raise the outer end of the same upwardly, which has the elfect of transmitting a corresponding movement to rack-bar 101 and rotating shaft 94, which in turn imparts a single impulse to the counter feed-shafts 96 in feeding just a sufficient length of wire with each impulse to form a staple.
A series of feed-rollers 109 is mounted on the feed-shafts in line with the driving-heads, as shown in Figs. 1 and 5. Above each of these feed-rollers and in line therewith are located tension or gripping rollers 110, journaled in the heel of a corresponding member of angle or bell-crank levers 111, pivoted at their lower ends to the faceplate of the driving-heads. A tension set-screw 112 (indicated by dotted lines in Fig. 1) is inserted through the upper ends of levers 111 and is tapped in the adjacent surface of the frame. By turning these screws in one direction the clamping pressure of the feed-rollers on the wire isinoreased, and turning the samein the opposite direction has the efiect of diminishing the pressure, and thus the tension on the wire is easily regulated as may be required.
An edge view of the board-blank 113, forming the frame of a box, is shown in Fig. 6. The grooves or kerfs 114 are cut from the under side to the proper depth, leaving the extension-surface intact and spaced to indicate the position of the corners. Adjacent to Fig. 6 the blank is shown in position to be passed into the machine from the front side for the operation of stapling three of the cornerjoints while the blank is held in the flat position shown. The blank is inserted in the machine through the space 115 separating the driving and clenching mechanism and is supported on the frame-surface of the latter, which forms a table-bed therefor in the operation of stapling. At the rear side of the ma.- chine, Fig. 5, the blank is shown after having passed through, the different staples in each of the rows being simultaneously inserted. In the next step the sections forming the different sides of the box are bent around at right angles, the two beveled ends 116 of the blank forming the fourth or closing corner, and is stapled on a machine like that shown in my application filed April 4, 1000, Serial No. 11,462.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-- 1. In a box-stapling machine, the combination with the main frame, of the longitudinal companion bars, the companion heads,mounted on the respective ends of said bars,-the guide-bearings, formed in the ends, of the main frame, a number of cross-heads, adj ustably mounted on the companion bars, a plurality of driving-heads, supported in each of said cross-heads, and the operative connection for transmitting motion from the driving-shaft, substantially as described.
2. In a box-stapling machine, the combination with the longitudinal companion bars, adapted to have a vertical movement, of a number of cross-heads, adjustably mounted thereon, a plurality of driving-heads, adj ustably supported by said cross-heads whereby the driving-heads have both a longitudinal and a transverse adjustment in changing the workingposition of the same, substantially as described.
3. In a box-stapling machine, the combination with a longitudinally-disposed support, having a vertical movement, of a number of cross-heads adj ustabl y mounted thereon, and
a plurality of driving-heads, mounted in each of said cross-heads and arranged in rows transversely, and means for positioning the driving-heads both with reference to the spacing of the staples and the distance between the corner-joints, substantially as described.
1. In a box-stapling machine, the combination with a cross-head, adjustably mounted, the operative connection for transmitting a vertical movement thereto, a rod, having its respective ends fixed in said cross-head, a staple-driver, a clip, providing a movable connection between said rod and driver, the staple-forming bars, a back guide, in which the driver and forming-bars are loosely framed, and means for movably supporting said back guide, substantially as described.
5. In a box-stapling machine, the combination with the driver and forming-bars, the back guide, the transverse bars 15 and 16, slotted longitudinally,the adjusting and locking bolts, engaging said back guide, the companion end plates, to which the respective ends of the transverse bars are secured, the front and back frame-bars, O O,slotted longitudinally, and the adjusting and locking bolts, inserted through the slotted bars 0 O and engaging said end plates, substantially as described.
6. In aboxstapling machine,a main frame, provided in its respective ends with vertical guide-bearings, the longitudinal companion bars, the companion heads, moving in said guides, the driving-shaft,the companion rods, operatively connecting said heads and driving-shaft, a number of cross-heads'mounted on said longitudinal bars, and a plurality of driving-heads, supported from said crossheads, substantially as described.
7. In a box stapling machine, a drivinghead, comprising a staple-driver, the wirecutting and staple-forming bars, a transverse bar connecting the upper ends of the forming-bars, the curved arms, pivotedat their upper ends to the driver and normally engaging said transverse bar, means for disengaging said arms in arresting the down movementof the forming-bars, means for'returning said arms to their normally engaged position, the back guide, in whichthe driver and forming-bars have a vertical movement, and an anvil-die, movably secured in the back guide and normally positioned in the path of the said driver, substantially as described.
8. In a box-stapling machine, the combination with the transverse bar, connecting the forming bars, of a bolt, fixed therein and passing through a vertical slot in the stapledriver, a face-plate a bolt, inserted in the face-plate, and a spring, having its respective upper and lower ends attached to said bolts, substantially as described.
9. Ina box-stapling machine, the cutting and forming bars, having their lower ends beveled to an edge, of the companion die members, 'provided with grooves and with which the forming-bars are adapted to engage in severing the wire and sharpening both ends of the staple, and a wire-guide, normally located in the path of one of the forming-bars and adapted to be forced backward out of the way by the contact thereof at the proper time, and means for returning said guide to its normal position when the forming-bar shall have passed out of contact, substantially as described.
10. In a box-stapling machine, the combination with the lower front and back framingbars, of the clencher-frame, comprising the companion side bars and the two end pieces, and means for changing the position of the clencher-frame in bringing the parts into alinement with the driving-heads, substantlally as described.
11. In aboX-stapling machine, the combina tion with the clencher-frame, adjustable longitudinally with reference to the main frame, of aclencher back guide, a clenche'r-plate, the cleneher-dogs, a lifting-yoke, and means for periodically imparting a vertical movement thereto, substantially as described.
12. In a box-stapling machine, the combina-.
on the clencher-plate, a yoke, upon which the clencher-plate is mounted, and provided with a stem; the lower end of which is bifurcated .and loosely embraces the driving-shaft, and
means for imparting a vertical movement to said yoke, substantially as described.
13. In abort-stapling machine, the combination with the clencher-frame, of a back guide, ad justably retained therein, a clencher-plate, the'companion clencher-dogs, having curved concave engaging surfaces and pivoted at their outer ends to said back guide, the inner loose ends resting on the clencher-plate, and means for actuating the clencher-plate, substantially as described.
14. In a box-stapling machine, the combination with a back guide, of a clencher-plate framed therein and provided with vertical slots, of a detachable face-plate, provided with guide-pins engaging said slots in the clencher-plate, substantially as described.
15. In a box-stapling machine, the combination with the main frame, of a clencher-plate a retaining back guide, adapted to have both a longitudinal and a transverse adjustment with reference to the main frame, a yoke, on which the clencher-plate is mounted, said yoke being provided with a stem having a biwhichengage the pinions on shaft 94, a pin ion, mounted on one end of shaft 94:, a rackbar, having its upper end engaging said pinion, and means for imparting a vertical movement to said rack-bar in actuating the wire feed shafts, substantially as described.
17. In a box-stapling machine, the combination with the main wire-feed shaft, of the counter-shafts, receiving motion therefrom, a pinion, mounted on one end of the main feed-shaft, a rack-bar engaging said pinion, a link, connected with the rack-bar, and a shaft, whereby an intermitttent rotary movement is transmitted to the wire-feed shafts, substantially as described.
18. In a box-stapling machine, the combination with the main frame, of the wire-feed shaft, journaled therein, the counter feedshafts actuated thereby, the wire-feed rollers, mounted thereon, the tension-rollers, jour naled above and in line with the feed-rollers,
ICC
IIO
the angle-levers, for regulating the gripping wire-feed shaft, substantially as described.
In testimony whereof I affix my signature in presence of two witnesses.
JOSEPH SCHMIDT, JR.
Witnesses:
L. M. FREEMAN, L. B. COUPLAND.
US5342601A 1901-03-29 1901-03-29 Box-stapling machine. Expired - Lifetime US694031A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529818A (en) * 1948-12-24 1950-11-14 United Shoe Machinery Corp Leather shoe part blank and method of making
US3102324A (en) * 1961-04-17 1963-09-03 Warwick Mfg Corp Insulated wire head
US5280925A (en) * 1993-04-19 1994-01-25 Pitney Bowes Inc. Fixturing plate for stitcher
US5328076A (en) * 1993-10-04 1994-07-12 Pitney Bowes Inc. Stabilized clincher for stitcher

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529818A (en) * 1948-12-24 1950-11-14 United Shoe Machinery Corp Leather shoe part blank and method of making
US3102324A (en) * 1961-04-17 1963-09-03 Warwick Mfg Corp Insulated wire head
US5280925A (en) * 1993-04-19 1994-01-25 Pitney Bowes Inc. Fixturing plate for stitcher
US5328076A (en) * 1993-10-04 1994-07-12 Pitney Bowes Inc. Stabilized clincher for stitcher

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