US902152A

US902152A - Barb-wire machine.

Info

Publication number: US902152A
Authority: US
Inventors: William A Kilmer
Original assignee: CARROLL BARB WIRE Manufacturing AND FENCE CO
Current assignee: CARROLL BARB-WIRE MANUFACTURING AND FENCE Co; CARROLL BARB WIRE Manufacturing AND FENCE CO
Priority date: 1904-10-20
Filing date: 1904-10-20
Publication date: 1908-10-27
Anticipated expiration: 1925-10-27

Description

W.`A. KILMER.

BABB WIRE MACHINE.

902, APPLICATION FILED 9011.20, 1904. Oct. 27

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W.y A. KILMER.

` BARB WIRE MACHINE.

APPLIOATIONFILED o'rzo, 1904.

Patented 0111.211908.

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W. A. KILMER.

BARE WIRE MACHINE.

APPLIOATION 111.2300120, 1904.

902, 1 52; Patented oct. 27, 1908.

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W. A. KILMER.

BARB WIRE MACHINE.

APPLICATION FILED 00T.20 1904. 902, 1 52. l

Patented Oct. 27, 1908.

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W. A. KILMER.

BABB WIRE MACHINE. 902,152.

APPLICATION FILE'U 00T. ZO, 1904.

Wf. A. KILMER. BABB WIRE MACHINE. APPLICATION FILED OCT. 20, 1904.

Patented Oct. 27, 1908.

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UNITED sTATEs PATENT oEEroE.

WILLIAM A. KILMER, OF CLEVELAND, OIIIO, ASSIGNOR TO OA-RROLL BARE-WIRE MANU- FACTURING AND FENCE CO., OF PEORIA, ILLINOIS, A CORPORATION OF ILLINOIS.

BARE-WIRE MACHINE.

Specification of Letters Patent.

Patented oct. 27, 190s.

Application filed October 20, 1904. Serial No. 229,239.

To all whom it may concern:

Be it known that I, WTLLIAM A. KILMER, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Im rovements in Barb-Wire Machines and I do liereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

rI`his invention has reference to a machine for the manufacture' of barb-wire. It has articular reference to the manufacture of a ybarb-wire, wherein the barb is pivotally supported upon one of the strands of a double or twisted Stringer-wire at points thereon where the strands are separated or one of them eX- panded, providing space to permit the free turning of the barb and to prevent impingement thereof. Reference is had to the patent issued to F. C. Carroll, for improvement in barbed wire, dated Dec. 5, 1899, No. 638,320, wherein is shown a barb-wire and one of the forms which may be produced by this invention.

The invention has for its object a coiler through which is fed a strand-wire, means for feeding and supplying a barb to said strand, and a member reciprocally carried in the coiler through which the strand is fed, adapted at pre-determined intervals to be projected along the strand to properly position or place the barbs as they are formed on the strand.

A further object of the invention is, a c'oiler, through which is fed a strand wire, means for feeding a wire to the strand and forming from it barbs, a member reciprocally carried in the coiler adapted to be projected through the coiler for properly positioning or placing the barbs as they are formed on the strand, and a carrier, traveler or conveyer` adapted to convey the strand and while doing so retain the barbs thereon in the position placed by the member in the coiler.

The invention has for its further object a coiling member, a strand of wire adapted to be fed through the coiler, means for feeding a wire to the strand to be coiled by the coiler into barbs on the said strand, a cutter for severing the wire as the barbs are formed, means reciprocally carried in the coiler adapted to slide the barbs on the strand, a carrier having gripping members adapted to draw the strand through the coiler and to receive the barbs in the said gripping members, means for feeding a third wire adapted to be intertwisted with the barbed strand, and means for corrugating or kinking the said strand where the same coincides with the barb of the strand with which it is intertwisted.

A further object of the invention, is a coiling member through which. is fed a strand wire, means for feeding and placing a barb on the aforesaid strand, severing devices, and a continuous traveler provided with gripping members or vises adapted to draw the strand through the coiler, and the vises thereof arranged at stated intervals thereon to receive the barbs and retain them in their proper positions on the strand, a wrapper supporting a spool on which the finished barbed-wire isMfOund, a friction brakefor regulating the tension of the wire as it is wound on the spool, and means for automatically and at pre-determined intervals releasing the brake.

To these ends my invention consists in the features and in the novel construction, combination and arrangement of parts hereinafter described, and particularly pointed out in the claims following the description, and while `the essential and characteristic features of my invention are necessarily susceptible of modification the preferred embodiment thereof is illustrated in the accompanying drawings, in which Figure 1 is a side elevation, on a greatly reduced scale, of a machine embodying my improvements; Fig. 2 is an elevation on a greatly reduced scale, of the opposite side of the machine seen in Fig. l Fig. 3 is a plan view of the machine shown in Figs. 1 and 2 Fig. 4 is an end view of one end of the said machine; Fig. 5 is a sectional elevation illustrating the friction brake, the feed for the barb-wire, and the arrangement of the cutter su ports, and means of operating the movab e cutter; Fig. 6 is a longitudinal section through the coiler, showing also, the arm for operating the plunger therein, and operative parts in dotted lines positioned at the ceiling end of the said coiler; Fig. 7 is an elevation showing in cross-section the coiler and plunger therein; also the cam and arm actuated thereby for operating the feed for the wire forming the barb Fig. 8 is an elevation, showing in detail a guide arranged in front of the ceiler, and the means of moving the same from the path of the barbs as the same are formed 5 Fig. 9 is a side elevation, partly in section, showing the traveler and its clamping members or vises for receiving the barbs and for drawing the strand through the coiler the view shows further, the end of the coiler in section and the means for crimping the second wire forming the twisted barb strand Fig. 10 is a plan in detail of the links forming the traveler and the clamps or vises attached thereto, Fig. 11 is a side elevation of Fig. 10 Figs. 12 and 13 illustrate in crosssection the detail construction of the links and clamps or vises seen in Fig. l0, Fig. 14 is a bottom plan of a section of the traveler taken at a point where the wires leave the same to be intertwisted to form the cable g it further shows, the manner of causing the clamps or vises to firmly impinge the wires to enable the same to be intertwisted as they leave the traveler. Fig. 15 is a detail in plan of the cutters, and Fig. 16 is a detail in elevation of the cutters.

Like numerals of reference indicate correspending parts throughout the figures.

e working parts of the machine are mounted or su ported on a bed frame l, supported by the egs or standards 2.

3 denotes a driving shaft supported longitudinally of the machine above the bed l and journaled in the boxings 4, 5 and 6 secured to the said bed. The manner of driving the said shaft is through an endless sprocket chain 7 receiving its power from a driving sprocket wheel 8 on a power shaft 1() and communicating it to the shaft 3 through a sprocket wheel 11 carried thereon. The power shaft 10 carries a pulley wheel 12 which is fast thereto, and a loose pulley wheel 13. Power is imparted to the pulley wheel 12 by means of a belt (not shown) receiving its power from a suitable source, which is shiftable by means of a shifter 14 adapted to be actuated by means of a hand lever 15 pivotally secured to the bed -1 and connected with the shifter by means of a rod 16. The shifter serves as a means to throw the belt from the fast to the loosely carried pulley wheel or vice versa as desired, producing a result well known.

The ceiling devices, the manner of feeding a strand thereto and drawing the same therethrough, as well as the means for feeding barbs to the strand will new be described: 17 indicates a ceiling spindle journaled in the front and rear boxings 18 and 18il supported by the standards 19l of a casting 19 secured to the bed. The spindle is formed with a longitudinal bore of two different diameters, 20 and 20a. The ceiling head of the spindle is indicated as 21 which is suitably secured to the inner end of the spindle, is provided with a central wire opening 21a, and eccentrically disposed in the face of the head is secured a pin 22 projecting therefrom a suitable distance.

Carried and reciprocally arranged in the spindle is a tubular stem 23, and when in its normal position the inner end is disposed in the opening 20a of the spindle, the same having an extension projecting forwardly of the end of the spindle which is attached to means for reciprocating the same. To the inner end of the stem 23, is secured the end of a plunger 24 which extends through the opening 20 of the spindle and has its forward end carried in the opening 21a of the head. In its normal position the end of the plunger is iiush with the face of the ceiling head. And the plunger is provided with a wire groove or opening 24a which communicates with the opening in the stem 23. The manner of reciprocating the stem and plunger through the ceiling spindle, for purposes which will be more fully described, is by means of a crosshead 25 to which the outer end of the stem 23 is secured, and attached or operatively connected with the head 25 is the inner end of an arm 26, the outer end of which is fulcrumed or pivoted at 26a, to a support on the bed. Intermediate its ends, the arm- 26 carries a roller 27 disposed and movable in a groove 2SEL of a cam wheel 28 attached to the driving shaft 3. The connection between the inner end of the arm 26 and the cross-head 25, is through a iianffed pin or roller 29 which eperates in an e ongated or longitudinal slot 29"L of the arm, to give free movement to the arm across the axis of the stem 23 as the same is oscillated to shift or reciprocate the stem and the plunger. The cross-head is guided or held to its work by rods 30 lying parallel and upon opposite sides'of the stem 23, their forward ends connected to the standards 19a, their opposite ends passing through the cross-head 25 and connected by a strap 30a.

The wire strand upon which the barbs are placed will be indicated as A, and is fed from suitable spools or reels, not shown, through `a guide 31 to and around a roller or wheel 32 rotating under tension, and from the wheel 32 the wire is directed through the stem 23 and the plunger 24, to means for drawing the strand through the stem and plunger and feeding the same to a suitable wrapper.

The wire strand from which the barbs are formed will be indicated as B, and like the Wire A is fed to the machine from suitable spools or reels, not shown. The wire B is fed or drawn between feeding rollers 33, secured respectively on the ends of shafts 33aL and 33b journaled in a standard 34 supported on the bed. The manner of actuating the feeding rollers 33 is as follows: On the ends of the shaft 33EL and 33h, opposite to the ends which. carry the rollers 33, are carried intermeshing gears 35. The shaft 33b carries a ratchet wheel 36 adjacent to the gear 35, and coacting with the teeth of the ratchet wheel is a pawl 36a carried by an arm 37 fulcrumed on the shaft 33h. To the lower end of the arm 37 is pivotally attached the inner end of a bar 38, the outer end of which has a bifurcated portion 38a, the extensions of which are movable across the axis of the shaft 3 and retain the end of the bar in working position with operative parts on said shaft, On the shaft 3 is carried a disk 39 provided with a cam groove 39a in its face, l

in which is adapted to travel a roller 40 secured to the bar 38. Thus it will be seen, that the continued rotation of the shaft 3 will, through the disk 39 and the ratchet and pawl connection with the grooved wheels or rollers, intermittingly actuate the same to feed the proper length of wire B to form a barb, and at the proper intervals of time.

The wire B is carried from the feeding rollers 33 through a cutter 41, carried in a stationary support 41a. The said cutter is disposed at a proper angle with reference to the feed of the wire B to the coiling head to adapt its pin 22 to direct the wire B as it crosses the strand A in front of the coiler, around the said strand, somewhat in the manner seen in Fig. 15. Forming a loose barb as 1 do, the Wire B is coiled once around the strand A and fed in such lengths that one side of the barb is preferably longer than the other side.

1 have provided for holding the end of the wire B, adjacent to the face of the coiling head 21, during the coiling of the barb, by means of an oscillating member or finger 42, fulcrumed at 42 to a suitable support on the bed 1, its inner end extending partially across the face of the head 21, and grooved at 43, to form a seat for the wire` A, which extends therethrough. The outer end of the finger 42 rides on the peripheral edge of a disk 44 havingI a cam surface 44a, adapted at predetermined intervals to raise the outer or engaging end of the finger 42 and correspondingly lower the inner end of the said finger out of the path of the formed barb on the strand A. Immediately on the moving away of the cam surface of the disk 44, the finger is returned to its normal position through the action of a coil spring 45, one end connected to the inner end ofthe finger, its opposite end connected to a support 45at secured to the boxing 18, see Fig. 8. The feeding rollers 33 and the 'linger 42 are timed in their movement to the action of a movable cutter which is brought into play immediately upon the formation of a barb, which is the coiling of the end of thetwire B around the strand A.

The movable cutter is indicated as 46 adjustably mounted in a plate 47, the adjustment being secured through a threaded stem 4S and alock nut 48a. The plate 47 is secured to or may form a part of a vertically disposed plunger 49 extending through the bed 1 and a bearing or sleeve 50 secured to the said bed. To the lower end of the plunger 49 is attached a bar 51 fulcrumed at 51a, and its outer end pivotally attached to a bar or member 52 which has a bifurcated end 53, the extensions of which are movable across the axis of the shaft 3 and adapted to guide the same in its movement. The bar 52 has secured thereto a roller 54 movable in a cam groove 55 arranged in the face of the disk 44, adapted during the continued rotation of the said disk to oscillate the bar 51 and thereby reciprocate or extend the plunger 49 for the purpose of actuating the movable cutter which acts in conjunction with the cutting edge of the stationary cutter 41 to sever the wire B after the formation of a barb.

The action of the movable cutter is in a straight line, rather than the old form of oscillating the same. The cutting edge of the said movable cutter is extended obliquely to the edge of the stationary cutter, producing a shear cut and gradually severing the wire B rather than abruptly cutting the same, relieving the jar incident to the old form of cutter', and obviating the necessity of having to remove the cutter so often for grinding.

In the manufacture of a loose barb, such as intended by this machine and similar to the barb disclosed in the aforementioned patent, it is necessary to kink, corrugate or expand one of the strands of the Stringer wire, at a point where the same will coincide with the barb on the other strand when the two are brought together and intertwisted to form the Stringer wire. To accomplish this end it is further necessary to place the barbs on the strand A, and then retain them in such positions during the drawing out of the wire A and deliver the same to a point where the barb of the one wire will coincide with the kink or corrugation of the opposite wire. This is the work of the plunger 24 which is projected along the wire A at the finish of each barb, carrying with it the then formed barb, which will be taken up by a movable carrier or traveler to be described. To hold the barbs in the position on the wire in which they are fed and coiled, see Fig. 15, l provide a guide or finger 56 extending in the same longitudinal direction as the axis of the coiling spindle and in advance of the same. The finger 56 is supported by a suitable support 56 a attached to the bed, and lies parallel and beneath the strand A as it is drawn from the coiling member. Thus it Will be seen, as the finger 42 is moved out of the path of the barbs on the strand A, the plunger 24 is caused to be reciprocated forwardly through the coiling head', shoving the barb along the strand A in advance of the end of the plunger, the coiled portion of the barb lying above the finger 56 and preventing its ends from '-clianging their lateral positions with reference to the longitudinal bearing of the strand A. Then the plunger makes its stroke and delivers the barb in position to be taken up by the carrier to be described the plunger 1s retracted or withdrawn into the coiling member, and the finger 42 assumes its original position in front of the coiling head. The operation of the disk 44 is such that when the iinger 42 is oscillated, its inner end is held in its lower position long enough to permit the plunger to be projected and withdrawn. The parts operating the feeding rollers 33 and the cutters are also timed to the operation of the finger and plunger, as will be apparent.

The carrier or traveler to which reference has been made consists of a link-belt or chain composed of the

usual links

57 and 58, coupled by pintles 59, the said pintles passing through a sleeve 60 disposed between the opposite bars of the links 57. To the links 58 are suitably attached gripping members, clamps or vises which comprise pivoted sec- I tions 61, which may be substantial duplicates of each other as shown. The preferred manner of pivoting the vises to the links 58, is by casting with the opposite bars of the links 58 the blocks or lugs 62; although the blocks or lugs may be separate and attached to the bars of the links in a suitable manner. To the upper face of each of the blocks or lugs 62 is pivotally secured at 62L the clamping member or vise 61, formed with the inner depressed body portions 63, which approach each other centrally of their links, but are separated apart a suitable distance to permit the passage or insertion of one or more strands of wire between the matching faces 64 of the said members. To the upper faces of the members and in the rear of the pivotal points thereof is carried a roller 65, adapted during the continuous movement of the belt or chain to travel through a contracted guide-way for the purpose of directing the matching faces of the vises to approach each other and firmly impinge or grip the body of a wire or wires carried between the same, serving as a pull-out for the strand A through the coiling member and the strand C which together with the strand A forms the twisted stringer wire.

The belt or chain travels around a sprocket wheel 66 carried by a short shaft 66L journaled in a boxing or support 67 attached or secured to the bed; also around a driving sprocket wheel 68 carried by a shaft 69 j ournaled in boxings 7 O supported by the said bed, to and around sprocket wheels 71 and 71a carried by short shafts 72 and 72l journaled in bearings of a pivoted frame, and

` K from the last mentioned wheel 72a to and around an idler wheel 73 and to the first mentioned sprocket wheel 66. The manner of imparting power or movement to the said carrier, is through a bevel gear 74 carried on the power shaft 3 which intermeshes with a bevel gear 75 which is loosely carried on the shaft 69. The bevel gear 75 is constructed with a gear wheel 76 made integral therewith, and loose on the said shaft 69, the same meshing with a gear wheel 77 carried by a short shaft 77at journaled in an extension of the boxing 6. On the shaft 7 7a is carried an additional gear wheel 78, which may be made integral with the wheel 77, and the saine meshes with a gear wheel 79 fLXedly secured to the shaft 69. The intermediate gearing just described between the shaft 3 and the shaft 69 is provided to impart rotation in the desired direction to the carrier.

The movement of the carrier and the vises thereof is horizontal, vertical, and horizontal again, to properly receive and convey the strand A and its barbs from the coiler and convey the same to a position for receiving the strand in which the kinks or corrugations are formed and directing the same to a wrapper or spool revolubly mounted in the machine frame beneath the bed and coiling spindle. The upper run of the carrier is positioned so that the depressed portions of its gripping members or their matching faces lie approximately in the same horizontal plane with the longitudinal axis of the coiling spindle, and the inner end thereof is positioned so that the gripping members, as they move into position will receive the barbs as they are projected by the plunger 24 5 and the free ends of the barbs drop into the depressed portions 63 ofthe opposite sections 61. The upper horizontal run of the carrier travels between guiding frames or bars 8O and 80a forming a run-way for the carrier. The bar 80 is supported by studs or bolts 81 from a frame 82 and springs 83 are coiled around the studs or bolts 81 to yieldingly hold the bar 8O in position to partially close the sections 61 through the action of the rollers 64 which engage the walls of the bars 8O and 80a, but not sufiiciently to cause the faces of the sections 61 to clamp the body of the wire A, the springs also yielding to the action of the sections 61 as they travel through the run-way formed by the bars 8O and 80a.

Above the horizontal run of the carrier and extending longitudinally thereof is disposed a covering plate or guide 84, so positioned that the lower edge of the guide 84 lies between the matching faces of the sections 61, as seen in section in Figs. 12 and 13, preventing the dislodgment of the strand A and the barbs thereof. A similar plate or guide 85 is disposed above the vertical run of the carrier and like the plate 84 has its lower edge members 61 enter carried between the matching faces of the sections 61, and serves in the same capacity as the plate 84.

The lower horizontal run of the carrier is composed of the side bars 86 and 86a which. are contracted at a oint 87, so that as the etween the contracted portions of the bars 86 and 86a the rollers 65 engaging the inner faces of said bars will swing the inner faces 64 of the sections 61 towards each other and cause the said matching faces of the sections to Yfirmly grip, clamp or nnpinge upon a wire or wires passing therethrough. The gripping of the wires in the run formed of the bars 86 and 86a serves as a pulling-out mechanism for continuously drawing the wire A through the ceiling spin die and from the spools. rihe clamping of the wire or wires at this point, also serves to hold them at a point from which the twisting process takes place as the Stringer is fed to the spool upon which the completed barbwire is wound.

The bar 86u is adapted to be adjusted towards or from its opposite bar, and is also held in a lyielding position. A frame 88 is provided between which the bars 86 and 86L are supported, the latter carried upon bolts or studs 89, and intermediate the frame 88 and the bar 86a is disposed a bar 90, also cai ried by the bolts 89, and on the bolts between the bar 863L and the bar 90 are carried springs 91 to hold the bar 86a in yielding engagement with the rollers of the sections 61.

l. have provided for adjusting the position of the bar 90 to increase the tension on the springs 91 for the purpose of more or less firmly clamping the sections 61 on the wire or wires extending between their matching faces. This 1 accomplish by means of the adjusting screws 92 passing through the frame SS and engaging the bar 90 in the manner seen in Fig. 14, which also shows the contracted runway and the sections 61 clamping the wires as described.

Having described the feeding in of the strand wire A forming one of the Wires of the completed barb-wire-stringer, and the feeding in of the wire B from which the barbs are formed and coiled upon the Wire A, I will now proceed to describe the second wire which, together with the wire A forms the completed stringer wire, the manner of feed ing in the saine and the kinking or corrugating of the wire Where it coincides with the barb of the strand A. This wire C, is fed from suitable spools, not shown, in like manner as the wires A and B, and is directed through the guide 31, around the wheel 32, and over the guiding sheave wheels or

idlers

93 and 93a suitably supported from the bed,

and overy a sheave wheel or idler 94 supported by a bracket 95 secured to an extension of one of the frame parts 88 which is secured to and forms a part of the pivoted frame referred to above and here designated as 96. 1rom the wheel 94 the wire C is directed between the matching edges of a pair of

disks

97 and 97 a revolubly carried on short shafts 9S and 98a, the former journaled in the frame S8, while the latter is journaled in a movable boxing 99 slidable in a groove or slot 100 in the said frame, and adapted to be adjusted by means of a threaded stem 101, between which and the boxing is carried a spring 102, providing a yielding contact between the faces of the

disks

97 and 97 a. The disk 97 is provided with a series of corrugations or indentations 103 in its periphery while the disk 97 a is provided with a series of lateral projections, teeth or lugs 104 corresponding to the contour of the corrugations 103 in the disk 97 and adapted to coact therewith. As the disks are revolved, they act as a pull-out for the wire C and this feeds the same to the lower run of the carrier and its clamps or vises, to be fed with the wire A to the twister or wrapper and its spool. As the corru ations 103 and the lugs 104 coincide a suita le corrugation or indentation D is made in the wire, which forms a loop to span a coincidin barb on the strand A when the wires A and meet in the lower run of the carrierw The movement of the carrier and the timing of its clamps or vises is such that as the corrugations D of the wire C are taken up by the vises of the carrier they lie upon one side of the barbs on the wire A and coincident therewith. The wires A and C as they leave the carrier are directed to a twister or wrapper 105 journaled at its opposite ends in the supports of the bed and the said twister carries a spool 106, which is detachably mounted on a spindle 107. The spindle receives its power from the shaft 10 through a train of

gears

108, 109, 110, the first carried by the shaft 10, the latter mounted on a shaft 110a having a pinion 1 11 on its inner end meshing with a gear 112 on the spindle 107. The gear 109 serves as an idler, being mounted on a short shaft and interposed between

gears

108 and 110 to impart the desired rotation to the spool 106. The point of twisting the wires A and C to form the cable Stringer or completed barb-wire, is, at the point of releasing the wires A and C, from the carrier; and the same being firmly gripped at this point between the vises of the carrier insures a uniform and ready intertwisting of the two wires through the action of the twister 105. Returning to the

disks

97 and 97 a the same are rotated through a train of gears from the shaft 72a, of the carrier. On this shaft is carried a gear wheel 113 meshing with an idler gear 114, and the gear 114 meshes with a second idler .115, which. meshes with a gear wheel 116 on the shaft 98, and the shaft 98 also carries a pinion 117 which meshes with a pinion 118 on the shaft 98a, and in this 97 and 97 a. The adjustment of the threaded stem 101 regulates the depth of the corrugations D in the wire C, and thereby more or less firmly impinges the wire C between the matching faces of the said disks.

It becomes necessary in operation, that as the spool takes up the completed stringer or barb-wire it be wound evenly at a certain tension. To accomplish this, the mechanism of the twister and spooler is such that the spool will revolve fast enough to take up all the wire when the spool is first placed in the twister and the wire begins to be wound thereon. Said spooler mechanism is controlled by a friction brake operated from the shaft 3 and controlling the twister; the same comprises a 'lianged drum or disk 119 around which is carried a strap 119, of suitable material, the opposite ends of which are pivotally attached to a lever 120, at 121 and 121L upon the opposite sides of the fulcrum point 122 of the said lever. The upper end of the lever 120 has pivotally connected therewith an arm 123 which at its outer end is pivotally connected with a crank arm 124 forming part of a lever 125 which is fulcrumed to the bed at a point 124B: The outer end of the lever has connected therewith a rod 125EL extending longitudinally of the machine and at its opposite end is pivotally connected to a crank arm 126 carried by a short stem 127 journaled in a bearing 127 a secured to the bed. To the stem 127 is also attached a crank arm 128, which at its lower end has pivotal connection with a link 129 secured to the end of the shaft 72a journaled in the frame 96, or otherwise suitably connected to the said frame.

As the wire is wound on the spool said friction mechanism partly slips, permitting the spool to revolve only as fast as wire is delivered to it. The slipping of the said friction mechanism is accomplished automatically through the action of winding the wire on the spool, which not only relieves the tension on the wire, but also the tension on the spool, which is sometimes crushed by too tightly wrapping the wire on the spool. To retain this uniform tension both upon the wire and spool I have provided the pivoted frame 96 around which the carrier travels and by means of which the wires are fed to the twister. The winding of the wire on the spool draws the lower end of the frame 96 towards the end of the twister which imparts the desired movement to the brake mechanism through the connections described, and by a coil spring 130 on the rod 125a which bears at one end against a lug 131 on the bed, through which the rod is carried, and a collar 132 carried on the said rod, the frame 96 is alternately oscillated in opposite directions, as also the brake mechanism. By moving the rod 125l in opposite directions the lever 120 is oscillated which 1 causes the strap 119*l to alternately brake and slip against the drum 119 of the twister, as is apparent.

The idler 73 previously referred to around which the carrier moves, is carried on a bracket 134, the outer end of which is pivotally secured at 135 to the frame 96. A yielding support is provided for the carrying end of the bracket 134, which consists of rods 135a supported at their lower ends by the frame 96 and their upper ends adjustably connected with the end of the bracket 134, a spring 136 suitably carried on the rods permits the brackets to yield to the movement of the carrier, and the adjustment in the rods 135t adapts the adjustment of the position of the idler 73 to take up any wear and lost motion in the carrier, all of which it is believed will be understood.

In brief, the operation of the machine to produce a twisted stringer wire, upon one of the strands of which is coiled a loose barb, is as follows: A strand wire A is passed through the ceiling member 17 and the stem 23 and plunger 24 thereof, the said stem and plunger while revoluble with the member 17 is reciprocally carried therein, the member adapted to be continuously rotated through a gear wheel 137 carried on the driving shaft 3 and meshing with a gear wheel 138 on the member 17. Having described the stem and plunger as revoluble with the member 17, it is understood that as a variation the member may rotate around the stem and plunger while they remain stationary and have imparted to them reciprocal movement only. From the coiler the wire A passes between the matching faces of the sections 61 of the carrier, being carried along the upper run of the carrier, down the vertical portion thereof, along the lower horizontal run, and thence to the spool 106 of the twister.

The wire B from which the barbs are cut and coiled around the strand wire A, is passed between the feeding rollers 33, to the wire A, the pin 22 of the ceiling head wrapping or ceiling the wire B around the wire A, when it is severed by the

cutters

41 and 46 the finger 42 serving to retain the barb in position until after ceiling when the linger 42 is removed from in front of the ceiling head and simultaneously therewith the stem 23 with the plunger 24 is projected along the strand A carrying before it the formed barb, which is received by a pair of the vise sections 61 which move forward with the barb carrying strand A and retain the barb in the positions on the strand placed by the plunger, until the second wire C of the Stringer is placed in position with its corrugations D coinciding with the barbs, when the two wires are twisted. As the bars are shoved forward on their carrying wire A, they are short shaft or spindle 133, journaled in a vcc retained in their formed positions by means of the guide 56, which prevents the barbs turning on their carrying wire when projected.

The second wire C of the Stringer is drawn forward by the rollers or wheels 97 and 97d which also corrugate the wire C at intervals, and the wire is directed to theelower run of the carrier and between the matching faces of the vises 61, the corrugated portions of the wire C coinciding with the barbs on the strand A, as seen in sections ol the completed stringer. The vises as they pass through the lower run of the carrier are caused to clasp the barb carrying and corrugated wires, while that portion of the two wires in advance of the lower run of the carrier and the spooler, is twisted into a cable Stringer wire.

It is obvious that various changes may be made in the detail construction and arrangement of the machine, and while I have elected to illustrate the machine as producing a loose barb, the elements as arranged herein might be modified to produce a iiXed barb, and I do not wish to be confined to the details as illustrated and described.

I-Iaving thus fully described my invention, what I claim and desire to secure by Letters Patent of the United States, is

l. In a machine ofthe character described, the combination of wire feeding devices, a ceiling member for producing a barb, means for projecting the barb along its carrying wire, and mechanism for receiving and retaining the barb in its projected position on the carrying wire, substantially as specified.

2. In a machine ofthe character described, the combination of wire feeding devices, a coiler for placing a barb on its carrying wire, a reciprocally arranged member in the coiler adapted to move the barbs along its carrying wire after forming, and mechanism for retaining the barbs in such positions, substantially as speciiied.

3. In a machine of the character described, the combination of wire feeding devices,

means for placing a barb on its carrying wire,

means for corrugating a second wire, and mechanism for twisting together the barb carrying and corrugated wires, substantially as specified.

L In a machine ofthe character described, the combination of wire feeding devices, means for placing a barb on its carrying wire, means for corrugating a second wire at intervals, mechanism for placing the corrugations of the last mentioned wire coincident with the barbs of the first mentioned wire, and means for twisting the barb carrying and corrugated wires, substantially as specified.

5. In a machine of the character described, the combination of a coiling member, a pluni feeding a barb to its carrying wire,

Ager reciprocally carried in the member, a carrier movable in advance of the ceiling member, and a twister, all substantially as shown and described.

6. In a machine of the character described, the combination of wire feeding devices, means 'or placing a series of barbs on their carrying wire equidistant from each other, means for corrugating a second wire, and mechanism 'for twisting the barb carrying and corrugated wires, substantially as speciiied.

7. In a machine oi the character described.,

j the combination of a ceiling member, means reciprocally carried in the member for pro jecting a barb along its carrying wire, a moving vise adapted. to receive and convey the barb, means for corrugating a second wire and feeding the same to the vise containing the barb and its carrying wire, and a twister for twisting the barb carrying and corrugated wires, substantially as speciiied.

8. In. a machine ofthe character described, the combination of a coiler, an endless conveyer for drawing a barb carrying wire through the coiler, gripping members spaced equidistant on said conveyer, means for mechanism .for projecting the barbs as they are formed on their' carrying wire to be taken up by the gripping members, means for feeding a second wire to be twisted with the barb carrying wire, and a twister, substantially as specified.

9. In a machine of the character described, the combination of a coiler, a plunger reciprocally carried in the coiler, a conveyer movably supported in advance of the coiler, and gripping members secured to said conveyer, substantially for the purposes specified.

10. In a machine of the character described, the combination of a coiler, a plunger reciprocally carried in said coiler, a conveyer movably supported in advance of the l members pivotally coiler, and gripping i all substantially mounted on said conveyer, as specified.

1l. In a machine of the character described, the combination of a continuously rotating coiler, a plunger adapted to be intermittingly reciprocated through the coiler, a carrier in advance of the coiler, and gripping members spaced. equidistant on the carrier, substantially as specified.

12. In a machine of the character described, the combination of a coiler through which is drawn a barb carrying wire, `a plunger reciprocally carried in the coiler and adapted to be projected along the barb carrying wire, a carrier movable in advance of the coiler, a series of pairs of pivoted members mounted on said carrier, and a twister, substantially as specified.

13. In a machine of the character described, the combination of a coiler, a plunger movable through the coiler and provided with a wire opening through which is drawn a barb carrying wire, a link-belt, pivoted vises attached lto said link-belt between which the barb carrying wire is drawn, means for causing the vises to impinge upon the barb carrying wire, and a spooler, substantially as specified.

14. In a machine of the character described, the combination of barb wire coiling devices, means for advancing a barb on its carrying wire to a point in advance of the coiling devices, means for feeding a second wire and corrugating the same at intervals, a carrier for receiving the barb carrying and corrugated wires, vises on the carrier for clamping tlie aforesaid wires, and means for twisting the said wires in advance of the vises on the carrier, all substantially as specified.

15. In a machine of the character described, the combination of barb wire coiling devices, means for advancing a barb on its carrying wire during the drawing out of such wire, a guide for preventing the barbs from turning on their wire as they are advanced, means for feeding a second wire and corrugating the same at intervals, a carrier for receiving the barb carrying and corrugated wiies, vises on the carrier for clamping the aforesaid wires, and means for twisting the said wires in advance of the vises of the carrier, substantially as specified.

16. In a machine ofthe character described, the combination of a coiler, a menibei' movable through the coiler for advancing a barb on its carrying wiie, a conveyer having a portion movable in advance of and in a plane longitudinal with the axis of the coiler, vises on the conveyer into which the bars are seated, means for feeding and corrugating a second wire, the same adapted to be taken up by the conveyer and the corrugations thereof seated in the vises coincident with the barbs, means for clamping the vises on the barb carrying and corrugated wires, and a twister in advance of the vises of the conveyer, substantially as specified.

17. In a machine of the class described, the combination of a coiler, a stationary cutter, a vertically movable cutter coacting therewith, means for projecting a barb on its carrying wire, and a carrier for receiving and conveying the carrying wire and barbs, substantially as specified.

1.8. In a machine of the class described, the combination of a coiling member, an oscillatory guide pivotally supported in front of the member, a stationary cutter, a vertically movable 'cutter coacting therewith,

means for moving the oscillatory guide, and a plunger for projecting the formed barbs along their carrying wire, substantially as specified ber, a carrier adapted to draw forward a barb carrying wire, and means on the carrier for receiving and retaining the barbs equidistant to each other, substantially as specified.

21. In combination with a coiling member, a carrier adapted to draw .forward a barb carrying wire, means on the carrier for receiving and retaining the barbs equidistant to each other, feeding wheels for a second wire adapted to be twisted with the barb carrying wire, and means on the feeding wheels for corrugating the said second wire at intervals, substantially as specified.

22. In a machine of the class described, mechanism for feeding a barb carrying wire and coiling a barb thereon, a feeding and corrugating device adapted to feed to the barb carrying wire a second wire and corrugate the same at intervals corresponding to the spacing of the barbs on the barb carrying wire, and a twisting device, substantially as specified.

23. In a machine of the class described, the combination of a coiling member, means for projecting a barb on its carrying wire, a carrier for said wire and its barbs, an oscillating frame serving as a support for said carrier, a twister and a spooler mounted therein, a friction brake, connections between the friction brake and twister, and connections between the brake and oscillating frame, substantially as specified.

24. In a machine of the class described, the combination of a coiler, a twister and a spooler mounted therein, a carrier movably supported to convey a barb carrying wire or wires from the coiler to the spooler, and means on the carrier adapted to clamp a wire or wires at a suitable point in the movement of the carrier intermediate the coiler and the twister, substantially as specied.

25. In a machine of the class described, the combination of a coiler, a twister and spooler mounted therein, a carrier movably supported to convey a barb carrying wire or wires from the coiler to the spooler, means on the carrier adapted to clamp a wire or wires at a suitable point in the movement of the carrier intermediate the coiler and the twister, and a friction brake coacting with the twister, all substantially as described and shown.

26. In a machine of the class described, a carrier for conveying a barb carrying wire,

and a series of pairs of pivotaliy supported i tions having matching faces and depressed clamping members on said carrier, substanbodies, and means for intermittingiy moving tialiy as specified. the matching Jfaces of the sections towards i5 27. In, a machine of the class described, a each other for the purpose of clamping upon cari-ier adapted to convey a barb carrying i a Stringer wire, substantially as speciied.

wire, a series of oscillatory vises mounted on In testimony whereof I aiiiX my signature,

said carrier, and means for moving the vises in presence of two witnesses.

WILLIAM A. KILMER.

to cause the same to impinge upon the barb carrying wire, substantially as speciiied.

28. 1n a mach ne of the class described, a carrier, a series of pairs of pivoted sections mounted on said carrier, each pair of sec- Witnesses:

CHAs.v WV. LA PORTE, F. C. CARROLL.