USRE7608E - Improvement in machines for forming and inserting wire staples in paper boxes - Google Patents

Improvement in machines for forming and inserting wire staples in paper boxes Download PDF

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Publication number
USRE7608E
USRE7608E US RE7608 E USRE7608 E US RE7608E
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US
United States
Prior art keywords
staple
forming
clinching
bracket
work
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Other languages
English (en)
Inventor
Heney E. Heyl
Original Assignee
tbx Novelty Paper
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  • This invention is chiefly a modification of the essential parts of a machine for which a patent was granted to Henry R. Heyl and August Brehmer, dated October 8, 1872, No. 132,078.
  • the present machine is particularly designed to provide a way to unite, by means of the wire-staple/fastening, as set forth in the aforesaid patent, boxes of such sizes and peculiar yshapes asare not adapted to the form and limits of said .patented machine; but it is capable of uniting such materials as are used iu the manufacture of paper boxes, whether the same are superposed in the box form or in the sheet.
  • the invention consists in improvements in the mechanisms, as will be fully hereinafter pointed out.
  • Figure 1 is a side elevation of the machine; Fig. 2, 4a. front view of the same.
  • Fig. 3 is a side elevation opposite to that shown in Fig. 1; Fig. 4, a plan view; Fig. 5,a vertical section of the staple forming and inserting mechanism; Fig. 6, a vertical section of the same in a plane at right angles to that of Fig. 5; ⁇ Fig. 7, a-horizontal section on line 7 of Figs. 2 and 3; Fig. 8, a horizontal section on line 8 of Figs. 2 and 3; Fig. 9, a sectional elevation of a modified form of clincher and its accessories, viewed from the side, showing also a part of the attaching bracket of this clinching mechanism; Fig.
  • Fig. 10 a vertical section on line 10, Fig. 9; Fig. 1l, a vertical longitudinal section of a clinching mechanism similar tq that shown in the patent hereinbefore referred to, and which may be applied to the present machine; Fig. 12, a transverse section on the line 12, Fig. 11; and Fig. 13, a horizontal' section on line 30, Fig. 6.
  • the whole mechanism derives motion in proper time through the main shaft A, which is driven by power applied to the pulley' B.
  • the wire used to form the staples is placed upon a spool, preferably hung on a stud at M.
  • the wire is led through a bent guidingtube, N, and between the feed-rollersO, by the frictional contact of' which rollers it is drawn forward and pushed directly under the bendingtbrk, one part of which forms a member of the cutting device, -the length of wire fed being controlled by the uniform movement of lever Gr operating the ratchet Pwhicli is fixed on the shaft of one of the feed-rollers O, said feeding-rollers being geared together so as to revolve in unison.
  • This forming-mandrel is constructed with a notch across its face at the point where the wire is tobe bent over it, which notch serves the purpose of a guide tobring the wire, as it is fed forward, under the center of the bendingfork, so that when the staple is formed it can pass with accuracy into longitudinal grooves in the inside of the bendingfork E,
  • the driving-hammer T is provided with feathers 28 on its sides, which run in the loun gitudinal grooves 29 of the bending-fork.
  • the sta le is driven by percussion, making itsv own cles through the material, by the hammer T, Whichis quickly forced down by the spring W as soon as it is released by the withdrawal of the lock I.
  • This lock I is a simple arm rigidly fixed at the end of a shaft, Z, it is linked.
  • The-driving-hammer T carries a collar, U, which is engaged "by the bending- Y fork in its upward movement, by which arrangement the bending-fork carries the driv ing-hammer upward with it, and "hence no separate device is employed to withdraw the dr1vinghammer, as isl the case in the patented machine hcreinbefore referred to.
  • the clinching mechanism which turns the legs of the staple toward each other onto the under side ofthe material, is'carried near the end' of a work-supporting arm or bracket, Y, and it consists, essentially, of jaws 1 1, which forml nippers. l
  • FIG. 2 One form of clinching mechanism is shown in Figs. 2 and 8.
  • one of the jaws 1 1 is attached to a hollow sleeve, 2, and
  • Figs. 11 and 12 I have shown a clincln ing mechanism similarto that described in.
  • Still another modification of the clinching v mechanism is in the form of a post or horn, with nipper-jaws 15 at the top,aslshown at X, Figs. 9 and 10.
  • This post forms )art of a work-supporting arm or bracket, 1, which 'connects it to the pedestal, as shown in Fig. 1'.
  • the nipper-jaws 15 are connected by links 1d to a vertical rod, 17, joined to a lever, 18, which is fulerumed at 19 to the work-supporting arm or bracket Y1., and actuated through a rod, 20, from the leverK.
  • the object oi' the clinching device last described is to clinch stafl ples at the bottoms of deep boxes, which cannot be reached by either of the other forms of ciinchers shown.
  • this clinching meeharn In the operation of this clinching meeharn ism its jaws, which have angular inner faces, stand apart, and the legs of the staple, as it is projected through the material, strike these angular or inclined faces, and are thereby bent inwardly to a' slight degree.l The jaws are then moved toward each other, and close said legs down ontothe material.
  • the work-supporltin g arms or brackets are so constructed that there is a free and unobstructed passage for the work all around them, so that work to be operated upon may be eutered between the stapling mechanisms from either side or endwise.
  • the work-supporting arm Y or Y" is hung upon'the pedestal by two screws, 22, inserted near its lupper edge, and tapped into the ped-l its front end, carrying the clinching mechanism, into nice adjustment relative to the staple-inserting mechanism.
  • the work-supporting arm or bracket Yl is held upon the pedestal J by aclanip-bearing,
  • the work-supporting arm or bracket Y1 constructed in bent or horn form, and prof vided near its end with clinching mechanism, substantially as and for the purpose described.

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