US2012299A - Fastener inserting machine - Google Patents

Description

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Aug. 27, 193. M. G. BLISS FASTENER INSERTING' MACHINE Filed Jan. 15, 1934 4 Sheets-Sheet l /NVf/v nm: W G. W

ug. 27, R935.. M G, BL|$$ v 2,2,99

FASTENER INSERTING MACHINE Filed Jan. 15, 1934 4 SheetS-Sheet 2 FASTENER INS'ERTING MACHINE Filed Jan. 15, 1934 4 SheetS-Shee'b 3 Aug., 127, M. G. Buss Zlzgg FASTENER INSERTINCT MACHINE Filed Jan. 1,5, 1934 4 sneets-sheet 4 453normal1y clamped upon the supporting table by Patented Aug. 27, 1935 UNITED srArEs I 2,o1z,2992- A'rr'r OFFICE FASTENER INSERTING MACHINE Malcolm G. Bliss, Grafton, Mass., assignor to United Shoe Machinery CorporatiomPaterson, N. J., a Corporation of New Jersey Application January 15, 1934, Serial No. 706,617

20 olaims. o1.218 15) bwiththe problem of locating fasteners in a Workpiece to produce an arrangement which is commonly-'referred to as *'spread in the art of eyeletting shoe-uppers. The so-called spread in this art consists in locating some or .all of the eyelets of a'series in a line that converges toward or diverges from the edge over which the `lacing is 'to lie. The effect of spread is usually obtained by setting back the eyelets adjacent to the throat of an upper at a greater distance from the edge than those nearer the top of theupper.

The invention is herein illustrated as emboolied in a'high-speed poWer-operated machine of the typeiin which eyelets are inserted one at atime and'in which the work is fed by automatic mechanism'to space the eyelets one from another. A typical example of a machine of this type is illustrated and described in United States Letters Patent No. 1,228,768, granted June 5, 1917 on application of P. R. Glass. Ina machine of this 'ii-.type the' quarters of a shoe-upper are presented forfoperation one at a time and are fed along a work-supporting table underthe guidance of an edge-guide. Moreover, in theuse of such a machine the eyeletting progresses from the throat `of'ione'quarter toward the top but from the top of mthe other quarter toward the throat. Consequently, to obtain spread under such conditions, it is necessary to shift one of the quarters in' one direction transverse to its normal path of feed at one or more intermediate points in a series and to shift the other quarter in the opposite directi'on alt one `or more intermediate points. Furthermore, to obtain symmetry of the twofseries the relative reversal of the two quar- Vtersrequires the transverse shifting of one quarter to be timed diiferently from the corresponding timing pertaining to the other quarter.

The-problem is further complioatedby the factthat in-machines of this type the work is a presser-footwhich is automatically retracted in' each cycle only during the Work--feeding period. `It will `therefore be appreciated that to provide for shifting a quarter transversely of its 'normal ipath` of feeding m-otion requiresl specially `timed retraction of the presser-foot to releasethe-work. i

With' these conditions in View, an object of the present invention is to provide, in an automatic `ifastener-i'nserting` machine of the work-feeding type, improved `means by which an article of work such as a shoe-upper may be guided and controlled in such a manner asto obtain spreadV and symmetryin the arrangement of the'fasteners.

To this end, and in accordance with a feature i of the invention, the machine herein illustrated is provided With an improved combination comprising a work-support, a presser-foot, manually operable means' arranged to retract -the presser-foot, power-operated mechanisms arranged to nsert fasteners successively in series and to'feed the work to space the fasteners i one from another, a clutch Controlled by said manually operable'means to operate'said mechanisms, a movable edge-guide, a'spring arranged to move the edge-guide to a predetermined operative position, and manually operablemeans by which the operator may shift the edge-guide atwill to another predetermined operativeposition.` Preferably, and as herein illustrated, one treadle may be utilized'to shift the edge-guide,4 and another treadle is utilized to retract the presser-foot and toicontrollthe clutch, to the end that lboth hands of the operator may be with the results producedwith the treadles.

Some styles pertaining .to` the .eyeletting 'of shoe-uppers call for a one-eyelet spread and others call for a two-eyelet sprea'd." In the first:of these only the eyelet nearest the throat 'is setback a greater distance from the' lacing-edge of a quarter than the other eyelets in' that quarter.v In a two-eyelet spread` the first'and second eyelets from the throat areboth set back farther than the others,` and the first is set back farther than the second. This latter arrangement in- Volves an additional problem'for which the present `invention provides a solution which, as .herein' set forth, is embodied in an improved combination that includes,V among other elements, manually controllable means arranged to lock `the edgeguide at an intermediate operative position. This looking` device is so combinedwith the other ele-a i ments of the combination that its-use is optional, to the end that it may be rendered effective under conditionsthat call, fora two-eyeletispread butflineffective under conditions that call fora one-eyelet spread.l

With regard to that aspect of the invention that dealswith a two-eyelet spread, an improved feature consists in a novel combination comprising poWer-operated mechanisms` arranged to insert fastenersrsuccessively in a series and to feed the work to. space.. the fasteners one: from another, Aa

used to shift and control thework in consonance alignment with the eyelet-inserting tool clutch by which said mechanisms are operated, a clutch-controlling member, a movable edge-guide, and means controlled by said clutch-controlling member for looking and releasing the edge-guide.

The features above referred to and other novel features of the invention are hereinafter described and illustrated in the accompanying drawings which disclose twoembodiments of the invention.

Referring to the drawings,

Fig. 1 is a front elevation of an eyeletting machine equipped with mechanism embodying the present invention;

Fig. 2 is a perspective view of Various controls With which the machine is provided, the controls being pictured approximately in the relative positions that they occupy in the operative assemblage;

Fig. 3 is a top plan view, partly in section, including the work-supporting table, the presserfoot, the movable edge-guide and some of the parts included in the train of mechanism for shifting the edge-guide;

Fig. 4 is a top plan view, partly in section, of

' certain parts pictured in Fig. 3 (see line IV-IV of Fig. 5)

Fig. 5 is a front elevation, partly in section, of the assemblage represented in Fig. 4;

Fig. 6 is a front view of a shoe upper distorted f to present the fronts of the two quarters in a substantially flat plane confronting the observer. This view represents a typical example of eyeletting work for which the present invention is provided;

Fig. 7 is a view similar to Fig. 3 but showing a modification of the edge-guide and the controls therefor, and

Fig. 8 is a sectional view of the structure intersected by line VIII- VIII of Fig. '7. i

The general organization of the eyeletting machine herein illustrated is similar to that more fully shown and described in the aforesaid Letters Patent No. 1,228,768 and for this reason the following description thereof is purposely abbrelviated consistently with its purpose of providing a suitable groundwork for a subsequent description of the novel features of construction that embody ithe'essence of the present invention.

An article of work to be eyeletted, for example, a shoe-upper, is laid upon a fixed work-supporting table |5 Aagainst which it is clamped and periodically released by a presser-foot IE. The eyelets are inserted upwardly by power-operated mechanism including a tool ll to which they are delivered by a movable raceway E8. The tool ll is carried by a vertically movable plunger 59 that receives its Operating motions from a rotary cam shaft (not shown). The plunger lg is arranged in fixed bearings in the frame ll). Eyelet-reoeiving holes are punched successively in the workpiece and the work is fed step by step from right to left by 'a combined punching and clenching tool thatl operates downwardly against the work. This tool is carried at the lower end of a plnger 2| arranged to be reciprocatedup and down in bearings formed in a horizontally mov-l able feed-carriage 22. For present purposes it is not necessary to show or describe the details of construction of the power-operated mechanism for reciprocating the feed-carriage, but it is to be understoodthat, when the parts occupy their initial positions, (Fig. 1), the feed-carriage stands at the right-hand limit of its path of feeding movement and that the tool is then out of |1.

Moreover, the tool 20 is initially raised and the tool Il is initially depressed. The fastener-inserting mechanism and the work-feeding mechanism both derive their Operating motions from a stopping and starting mechanism under the control of the operator and designed to stop the machine in every case when the parts are in the positions represented in Fig. 1.

When the machine is set in operation, the upper plunger 2| descends to cause the punching portion of the tool 20 to punch or cut an eyeletreceiving hole in the work-piece lying on the table |5. The hole having been punched, the pressure of the tool against the work-table is relieved but the punch remains in the hole that has just been punched thereby while the feed-c-arriage 22 moves to feed the work one step from right to left and to locate the tool 2B in register with the eyeletinserting tool ll. In the meantime, the latter rises, slowly at first, to insert its central spindle through an eyelet at the delivery end of the raceway ll, whereupon the latter is automatically re-- tracted from the path of that tool. The tool ll continues to rise far enough to insert the barrelof the eyelet through the eyelet-receiving hole in the work and to clench the upper end of the eyelet-b-arrel against the tool 253. At this point in the cycle, the lower tool ll' .descends and the upper tool rises and moves from left to right, both tools being thus returned to their initial positions.

The presser-foot l is normally maintained in its work-clamping position by the force of a spring but it is automatically lifted to release the work only during that portion of the cycle in which the Work-feeding mechanism operates. In adclition, the machine is provided with treadle-mechanism by which the presser-foot may be manually lifted to facilitate inserti-on and removal of the work. As shown in Figs. 2 and 3, the presser-foot is afiixed to the upper end of a Vertical rod 23 arranged to slide in bearings formed in the main frame Ill of the machine. The work-clamping effect of the presser-foo't is derived from a compression spring 24, the upper end of which is seated against a boss on the frame and the lower end of which is seated on a collar 25 clamped on the rod 23. The lautomatic mechanism for lifting the presser-foot derives its motion as heretofore from the cam-shaft, and the manually operative mechanism for lifting the presser-foot inclu-des a lifting lever 26 connected to the frame IO by a horizontal fulcrum-stud 2l. the lever 26 underlies the lower end of the rocl 23 and is' not aifected by automatic operation of the rod. The other .arm of the lever 26 is operatively connected with the heel-end of a treadle 28 by any suitable Operating connection, such as a chain 29. This treadle is preferably arranged to be operated by the operator's right foot. The arrangement of the parts is such that downward motion of the heel-end of the treadle will raise the presser-foot. In practice this motion is One arm of brought into use only when the automatic mechay ext'enlsithrou'gh an eye inlithejlowerl'ehd of 1a ve'tic'al clutch-controlliiig: rod'i'farrang'ed to slitle in bearings'formed inithe=fraiil`efll of vthe machine. The rod (';Sfis' surrounde'dlandinormally r rai'sediby'a'helic'al compressionispring 31 s'eated mit-fon a portion of the frame IE) and'acting-'against a"collar=38'1secured to'the rod. Thusj'wh'en the pr'e's's *the clutchi-cohtrollihg rod 36 against *the springf'3l 'without affecting the'presse'r-foot liftr =`f26f1 `On the otherhand,'when the *heel-'end of thistreadle isv depressed to lift `'the press'er-foot,

th`e^boss"32 1at' the toeen'ti of the tre'adle Will' m'erel'y'ris'e relatively to' the'hook 33 without im= mparting any vupward''rnovernent to' the tre'adle'- '*'ro'd' '3 4:

Any suitable'lo'r preferred ytype'of clutch may be iprovided 'for vdriving vthe'automati'c` mechanisms 'of the organization consistently with the W requirements herein set forth. The'clutch \il-- Glass. 'It'ma'y be' a'scertained by reference to the patent' lat-mentioned that the clutehi is set' in 'op-' eration by drawing down the controlling rod 3B* and-thatthe clutch 'Will continue' todrive-the 35'*'shaft 'oh which it is-mountd' so long as the controlling rod is' depres'sed but, When the latter is released, it' will'not only disengagethe-clutc'h but will also arrest the shaft at a predetermined point in' its cycle, to the end that the' automatic mecha- 40f=nisms ;will all' come to rest in certahrpositions consistent'with their functions. In a clutch of this type, thedriving memberis acontinuously rotating pulley 39lo`osely mountecl on the cam'- shaft and v'provided with'v 'a 'groove to receive a- 'fidriving belt' (not shown).

nyAlthough theworklfeeding mechanism' in' a machine of this type is well 'known and is more fully illustrated 'and described Ain the 'aforesaid Letters Patent No, 1,2282768,`` it'is'desirable to oopointlout for a purpos'e 'hereinafteriexplained" that'iit is capable of being regulated to'vary the lengthl` of the steps` of workefeedig movernent,`to' the' end that the spacing of the eyelets 'one from' another may be varied accordingly. 'It will 'not` fbe necessary to the pointing out of this purpose to include hercin a complete' description of all the elements comprised in the work-feeding mechanismbut it will 'be `suflicient to explain thatthellength of the feeding'steps'may be' al'- i `f'tered'lay-moving a regulator 40 '(Fig. 3) tovarious'` positions. This regulator is 'provided y=with a stem L`4| arranged to' turn in` a 'bearing' provided by' a'bo'ss 42 `projecting 'from the frame` Hi.` QneV arm' ofl this 'regulator overli'es ai-stationary plate 43 '2' of segmental' i form i' affixed to the 'frame and' provided 'with' numerous holes J'34 adaptedf to :receivepins'li 'whereby the' regulator may be'maintained in any desiredipositon of 'adjustment' Moreover, a' tension spring 58 is'connected to-this' *"F'regulator and tends normally *to turn'it in the direction indicated i by anA l``arrow in Fig: 3. 'Thus' the'regulator maybe held against afpin'45'in;`

serted in anyone of the h01es-44 but the regulator may; neverthele'ss;| be `movedV` in oppo'sitio'n'to the 'i '11 springprovided'` such movement iisnotf'obstru'ct i edfby a pinf` in' one of the other holes.v V''I`his`3'c'om-- bination provides for manually moving the regulator counter to thearrow whenever it is 'desiredf for example, to increasetemporarily the length off-the feeding steps.

For the'purpose last mentioned, thei'illustrated* machine is provided with a'train of mechanism arranged' to be operatedby a treadlfeother than the clutc'h-controlling treadle 28.' Moreover,"the` regulator MJ is provided with an arm 45 havin'gan eyelllin its vouter end. Referring now to Fig. 2,

the train of mechanism about to be described? comprises a treadle 48 arranged to be operatedV bythe operatoris left foot, a treadle-rod 49 in two' Sections adjustably connected by a coupling-'a be1l'-`crank`lc`Ver 5| and a connecting rod 52 Tek-V tending 'from the bell-crank lever toward the' regulator 40 and provided with a hook'l53 adapted to be inserted into the eye M. As shown lin` Fi'g. 2, this treadle mechanism occupies its normall position: the toe portion of the treadle being raised.I Now, ifthe hookl53 of the connectingrod 52`b'e operatively lconnected to the regulatoridil, downward vmovernent of the toe portion of 'the treadl'e 'AS-'will swing the regulator counter to the t arrow'in Fig. 3 and thus increase the length of the feeding steps imparted to the work, but,

whenthe treadle is released, the regulator will'be returned by its spring to its former 'position against the pin`45.

lItfis `'now `to `be understood that"the several' mechanisms hereinbefore described are allwell known and are entirely adequa-te for eyeletting shoe-lupp'ers in the conventional manner, thatis, by ``lo'c'ating all the eyelets of a series at a uniform distance from the lacing-edge by which the upper is 'guided `while in process' of being eyeletted. On the otherhand, no satisfactory means for machines of this `type has heretofor'e been provided to locate the eyelets symmetrically-accordingto the arrangement exemplified in ll'ig.` 6. Nevertheless,`some operators use `a templetanda prick'- punch to mark the points at which the eyelets are to b'e'insertedand then locate the upper manuall'y i inthe 'desired positionfor each eyelet individually,'*thus sacrificingthe eyelet-spacing effect of throat''it` toward thetop and that in the other' i quarter being from the top toward thel throat to indicate the order in which the eyelets'are'inserted, as more fully explained hereinafter. 'i The lacingeedges of the quarters are indicatied'at 51. It is to be observed that the'four 'eyeletsgin'each quarter, counting from the top, areuniformly dista'nt from'the lacing-edges, that'the eyelets and 6 nearest the-throat are set back a relatively great di'stance from the lacingedge's; and that' the second eyelets 2 'and '5 from the throat are set back Ian intermediatel distance from 'the lacingeedges. This arrangement ofeyelets'is c`om-` monly'termed va two-eyelet spread because' the two lowest eyelets of each series are vset back more than the eyelets above them. In some cases,

ho'wever; onlythe lowest' eyelet'of each seres'is 1 set back=to provide what is commonly termed'a one-eye'let z'sp'read. The spread` ar-rangement! iletting;

As shownin Fig. 3, an edge-guide 6D is mounted, on the work-supporting table 15 and connected to the under side thereof by a fulcrumstud 6| which provides for shifting the workengaging portion of the guide toward the front and ,rear of the machine, that is, in directions transverse to the normal path of travel in which the work is fed by the feeding mechanism hereinbefore described., In Fig. 3, the edge-guide is represented in solid lines as retracted to its rear limit of shifting movement to provide for a relatively great distance between the lacing-edge 51 of a right quarter and the point at which the first eyelet is to be inserted nearest the throat of that quarter. Dotted lines represent the work-engaging portion of the edge-guide in its 'forward position where it Will stand for the eyelets to be inserted nearest the lacing-edge 'l of the quarter. It is to be understood, moreover, that the work- `engaging portion of the guide may also be locked at an intermediatel operative position for the second eyelet from the throat of a quarter when a two-eyelet spread is desired.

Describing first the modification illustrated in Figs. 1 to 5, inclusive, the edge-guide 60 is provided with an integral arm or extension 52, the outer end of which is normally drawn to the rear by a tension-spring 63. A link St connects the arm 62 with a bell-crank lever 65 mounted on a stationary fulcrum-stud 56. An arm 'l of this bell-crank lever lies adjacent to the arm 45 of the feed regulator but at a slightly lower level to provide clearance for unobstructed movement of the arms. An eye E3 in the arm 61 is adapted to receive the hook 53 of the connecting rod 52, the

connecting rod being so connected with the lever 5| as to permit the hook 53 to be transferred from the eye 41 to the eye 68 whenever it is desired to use the treadle 68 (Fig. 2) for the purpose of retracting the edge-guide. It may now be understood that when the connecting rod 52 is operatively connected to the arm 61, depression of the toe-portion of the treadle 43 will shift the work-engaging portion of the edgeguide 60 toward the rear, and that the spring 63 will normally shift the edge-guide toward the front when this train of mechanism is released. Moreovcr, the edge-guide may be arrested and locked at its intermediate operative position irrevspective of its direction of shifting movement.

For 'the latter purpose, the bell-crank lever 65 is provided with a looking arm 69 (Figs. 4 and 5) in which a 'hole 'lt is formed to receive a manually Controlled looking-pin l I. This pin is arranged in a socket T2 carried by an adjustable plate 73 mounted upon and supported by a fixed plate 'M rigidly secured to the plate 43 by an attaching screw 15 andv a spacing sleeve lt. The stud 68 extends through both plates and permits angular adjustment of the plate 73 to locate the lookingpin 'H at the desired position. A device for adjusting the plate l3 comprises a stud ll, arranged to turn in a bearing in the fixed plate 74 and provided with a handle 18 by which it may be turned. An eccentric portion 'E9 of this studoccupies a notch in the adjustable plate T3 and is thus rendered effective to change the location of the looking-pin 'H within suitable limits. The adjusting stud 'll is provided with a head and a compression spring ti by which the head is clamped against the plate 13 and by which the latter is clamped against the fixed plate 'M with pressure sufiicient to prevent lateral displacement of the looking-pin otherwise than by operating the handle 18.

The looking arm ,69 is spaced from the adjustableplate 73 slightly to provide for the reception of a thin guard-plate 82, the purpose of which is to prevent thev looking-pin 'll from engaging the looking arm 69 under conditions that do not require looking the edge-guide 60 in an intermediate position'as, for example, when eyeletting shoe uppers with a one-eyelet spread. This guard plate is provided with a keyhole slot 33, the larger portion of which is of a size that will permit the locking-pin'll to pass through it and enter the hole li] in the looking arm. The narrower portion of the keyhole slot is occupied by a small Vertical guide-pin 3G driven into the adjustable plate 13. This pin also serves as a stop to locate the larger portion of the keyhole slotI in register with the looking pin. The guard-plate projects beyond the outer end of the adjustable plate 13 and is bent downwardly to provide a vtongue or fiange by which it may be operated manually. This fiange is provided with a small hole or a notchto receive a horizontal guide-pin driven into the plate 13.

The looking-pin 'H is normally projected upwardly by a compression spring 86 contained in the socket 12. The shank of the looking-pin projects below the bottom of the socket and is provided with a loop Sl of wire that limits its upward movement and also provides for connection with some suitable means for retracting the pin to release the looking arm and the edge-guide. Fig. 2 illustrates 'one form of means suitable for this purpose which comprises a rod or vwire 88 the upper end of which is screwed into a hook 54 and the lower end of which is bent to form an elongated eye or loop 89 through which one arm of the presser-foot-lifter 2G may eXtend. The elcngation of the loop 89 provides for lost motion whereby the presser-foot-lifter may, under certain conditions, partially lift the presser-foot to release the work without taking control of the looking pin ll. The screw-connection between the rod 88 and the hook li provides for regulating the extent of the lost motion aforded by the loop 89.

Operation Assuming that it is desired to use the described machine for eyeletting a shoe-upper with a two-eyelet spread according to the arrangement exemplified in Fig. 6, the operator will first depress the heel-portion of the treadle 28 far enough to release the edge-guide 6B. Now, if the operator first selects the right-hand quarter for operation, he will shift the edge-guide to the rear as far as it will go by depressing the toeportion of the treadle 48 with the left foot, meanwhile maintaining the presser-foot lifted by depression of the heel-portion of the treadle 28. Having thus located the edge-guide in the position represented by solid lines in Fig. 3, and having placed the lacing-edge 57 of the right-hand quarter against it as also represented in that gure, with due regard to the distance between the throat of the quarter and the point at which z presser'foot but notrso faras to take control of i the looking-pin 1|. The operator twill now .re-

. front and with it the piece of work uponwhieh the operatoris hands will rest lightly tov guard againstlits displacement to the rightorleft but M throat at the right, and the first four ey'ele'tsV will l.the zfirstf eyelet-receving hole .will be punched, thenext controlling movement is to depress the toe of hthe right foot on the treadle 28- while cfontinuing to hold down the treadle 48 with the toe`v-0f1the left foot. The toe of the right foot Will draw down the clutch-controlling rod 36A to r trip the clutch by which the machine is set` in operation but this depressionof the controlling .rod willcontinue only long enough to cause one cycle of rotation of the clutch. The machine will lthus be caused tol insert the `rst eyelet `of the ``series nearest the throatof the quarterbuttat the greatest distance from the tlarcing edgeh-p-5l jandincidentally will feed the quarter oneestep `before coming to a stop. f Now, the heelhof the right foot will be depressed forenough to raise the lease' the treadle 48 with the left foot and the spring 63Jwil1 Shift the edge-guide 60 towardv the still With sufiicient pressure to mamtain thela'cimg-edge, 51 against the edge-guide. lWhen this .hifting of the edge-guide towardfthe fronthas brought the hole 'IO of :the looking` arminto reg-V ister with the locking-o-pin 1|, the latter will be zproj'ected intol the hole by its spring 86 and the `hedge-guide will thus be arrested 'and looked in its intermediate operative position. Now, the operatorwill again trip the clutch bydepressing t the toe-portion of the'treadle 28h withithe right `foot only long enough to cause o ne morecycle of rotation of thedriving clutoh. Incidentally,

the presser-foot will be restored once more to its 4 automatic control and operation. Thus, the second eyelet of the series will be inserted at an intermediate distance from the lacingedge''l :'40 .one more step before stopping. Again the oper- `llater.will depress the heel of the right foot on ,e the treadle 28, but this time the depressionwill of the quarter and the machine will fee'dthe work be sufiicient not lonly to liftftlfl'el presser-foot `but w a1so to withdraw the mkmg-pm 1| from theme the looking arm 69. The edge-guideffiol will nowobe moved to its extreme forward position by `;the spring 63,` and the presseir-footwill be vrestored'to its automatic control'and operationby rokig "Uhe't'rea'dle 28 with Athe toe 'of right w foot. Atv this point, the shoequrarter is in readiness to vreceive the third eyelet, which .will be the first of four eyelets all to be located at themini- ...mum distance from the .lacing-edge''l. lCons'eqently, the toe portion ofthe treadle 28`wi11 be depressed long enough to cause fourcycles of i rotation of the clutch before the next stop. At

the completion of this series of eyelets,` but the i heel of the operator's right fotwill rock the `i-,i'eadleuil to lift the presser-foot so that the finished quarter may be removed from the worktable |5. and the left-hand quarter may` beplaced i lthereon.

`When the left-hand quarter is presented for operation, its top edge will be at the leftfand its Joe inserted without interruption and at points uniformly near its lacing-edgef'i. ,The operator ;will therefore operate the treadle 28 to stop the `machine between the fourth and fiftheyelets and will cause the treadle 28 to vraise the` presserfoot when this point in the series has been reached Now,`` with the toe of the left foot the noper'ator will depress the treadle.,ll3l to shift the n75? sigaalidelflf to] the rars msanwhilelidieg the i V1) and .dowels (not shown). ``52' (Fig. 7) is arranged to communicate motion it is connected by a fulcrum pin 56'.

quarterrto the Yrear `with his hands .to maintaiin the lacing-edge 51 against the e`dge -guide."`g in, the looking-pin ll will arrest the edge-'guide and.

.lock it vinits intermediate operative pQSitiOn. to

`ing the edge-guide, the operator will shiftfythe .quarterto the rear and thus maintain its'laoifng- 115 edge 51'v against the 'edge-guide. NowQ still bearing down on the treadle lll with the left foot to maintain the edge-guide in its extreme rear` positiori,fthe operator will once more depress the toe-portionof the treadle for the. sixthflery'elet of the series.

vItrnay be readily understood that although the described mechanism provides for three predetermine'd operative positions vof the edge-guide 60, the operator may, at will, utilize any onef'of them at any time. If the guardplate 82 ('ig. 5h) is pushed in to prevent operation of thenlofckingpin it will facilitate manipulating the cntrols in accordance with the requirements of oneeyelet spread. Moreove'r, if desired, theedge-`30 Vguidemay be left in its forwardpositionif it js" desired to insert allthefeyelets at a uniform dis- ``tance from the lacing-ed'ge por`` other guiding-'edge of a work-piece.

It has already beenexplained how JChe handleJ `'18 may be'utilized tov regulate the intermediate' operative position of the edge-guide. In addition,

the illustrated construction includes means for regulating the two' extreme Operating `positions. `For the latter purpose, thearm 62 of the edge--` guide (Fig. 3) is provided with a segmental series of teeth 9G in the form of an incomplete screwthread, and they are arranged to; cooperate-with a screw-thread 91 formed on an axiallly nioyable and rotatable stud 92. This stud 92 is arranged:l to slide and turn in two smooth `cylindric bearings formed in'ears 93 on the under side of theworkt supporting table I 5. A knob 94 on one end of the Stud and an ardjustable nut 95 screwed,1 onthe other end are arranged to limit'the extent ofaggialJ movement of the stud by engaging the Vears 9,3.

The extent of this movement may be varied .by adjusting'the nut 95, and the relation ofthe edgeguide to the stud may be changed by turning the latter.

`(Figs. 4` and 5) provide for establishing and varying the three operative positionsofthefidgeguide. W i

These two adjustments conjungctiong 5 ;with that provided by the adjusting devicegja The modification illustrated in Figs. 'land 860 embodies the same` principles as theconstruction heretoforehdescribed and is adapted to beoperated and controllediin the same n'lannerby: the treadle mechanisms illustrated in Fig.` 2. In both constructions the work-supporting table .is `detachably secured tothe frame IO by a bolt l l .'(Fig. The connecting rod from the bell-crank lever 5| to a bell-crank'leyer 65' mounted on a supporting bracket 14' to Whichqo A link 63' is arranged to communicate motion from the bellcrank 65' to the edge-guide 60', the arrangement of the connections being such that the edge-guide `is normally moved to its forward position bywa .75

othery operative positions. Vertically movable pin arranged in a socket Illl formed on the work table and is normally pressed 'the work-supporting table.

A suitable' Operating connecthe 'looking-pin and that at the lower end being inserted through one of the links of the chain 29 running to the presser-foot lifter. The lookingpin is 'normally raised by a compression spring 86'. Both the looking-pin and the spring are arranged in a socket 12' formed on a segmental position. The'nut 18' is mortised into an ear 96 formed on the extension IE' and may'turn rela- 'tively thereto' but may not move axially. The eye-boltand the adjusting nut are maintainedin oooperative relation to the ear 95 by a collar 91 secured to'the socket. 'The lower end of the locking-pin projects below the socket and is provided i with'a screw-thread whereby a coupling eye 98 may be attached to formV connection with the operating* rod 88".

A nut 99 is also carried by the looking-pin to limit upward movement thereof.

As in the looking device first described, depres- *sionof the heel-portion of the treadle '23 will first 1 lift the presser-foot to release the work, and if continued thereafter will depress the looking-pin 'l |"'to release the edge-guide so that both the work and the edge-guide may be shifted together without obstruction.

The device shown in Figs. '7 and 8 is further provided with a spring-pressed detent I which is effective to maintain the edge-guide in its extreme forward position. Consequently, if desired, the

-- treadle 218 for the left foot, and all the Operating connections for communicating motion therefrom to the edge-guide, maybe omitted without depriv- -ing the latter of any necessary control.

edge-guide by hand from one operative position to i another, as by grasping the outer end of thearm For eX- ample, some Voperators may prefer to Shift the 62h lUnder these circumstances, the looking-pin 'll' and the .nut 95'wil1 still function as hereinbefore eXplained to arrest the edge-guide at its two The detent Imi is a upwardly by a compression spring (not shown) contained in the socket. The upper end of the dei tent is V-shaped (see Fig. 8) and is adapted to -enter-a V-shaped groove 102 in the adjusting stud 92' which, in all other respects, embodies the i same construction and operates in the same man- ,fi .i Although the detent m will yield to the camming ner as the'corresponding stud 92 shown in Fig. 3.

effect of the stud 92' its retaining power is sumcient to withstand any usual pressure of the work against the edge-guide.

Having described my invention, what I claim as i new and desire to secure by Letters Patent of the United States is:

' 1. A fastener-inserting machine comprising a .work-support, a presser-foot, manually operable .means arranged to retract said presser-foot, pow- "tension-spring 63' attach'e'd to lthe treadle-red 49 (Fig. 2)'l In this device the pin 'l I for looking the 'edge-guide'in an intermediate operative position vis arranged to enter a hole 10' in the arm 62' of the edge-guide.

tion' for retraeting 'the looking-pin may be provided by a rod or wire 88' having a hook at each "end, that at the upper end being connected with er-operated mechanisms arranged 'to insert fasteners successively in a series and to feed'the work to space the fasteners one from another, a clutch Controlled by saidv manually operable 'means to operate said mechanisms, a movable` edge-guide, a spring arranged to move said edgeguide to a predetermined operative position, and manually loperable means by which the operator may Shift said edge-guide at will to another predetermined operative position.

2. A fastener-inserting machine comprising power-'operated mechanisms arranged to insert fasteners successively in a series and to feed the work to space the fasteners one from another, a clutch by which said mechanisms are operated, a clutch-controlling member, a movable edgeguide, and means Controlled by said clutch-controlling member for looking and releasing said edge-guide.

3. A fastener-inserting machine comprising mechanism arranged to insert fasteners successively in a series, mechanism arranged to feed the work to space successive fasteners one from another, a driving clutch by which said mechanisms are operated, 'a clutch-controlling member, an edge-guide movable to and fro transversely of the path of the Work, a spring-pressed member arranged normally to lock said edge-guide,

- and means operable by said controlling member for moving said spring-pressed member to release said edge-guide.

4. A fastener-inserting machine comprising mechanism arranged to insert fasteners successively in a'series, mechanism arranged to feed the work to space successive fasteners one from another, a driving clutch by which said mechanisms arev operated, a clutch-controlling member, an edge-guide movable to and fro transversely of the path of the work, spring-pressed means arranged to arrest said edge-guide positively at an intermediate point in its range of toand-fro movement, and means operable by said lcontrolling member for retracting said springpressed means from its arresting position.

5. A fastener-inserting machine comprising,v

mechanism arranged to insert fasteners successively in a series, mechanism arranged to feed the Work to space successive fasteners one from another, a driving clutch by which said mechanisms are operated, a clutch-controlling member, an edge-guide movable to and fro transversely of the path of the work, a spring-pressed member arranged to lock said edge-guide in one of its operative positions, adjusting means for varying the location of said spring-pressed member, and,

means operable by said controlling member for moving said spring-pressed member to release said edge-guide.

6. A fastener-inserting machine comprising mechanism arranged to insert fasteners succes-i sively in a series, mechanism arranged to feed the work to space the fasteners vone from another, a driving clutch by which said mechanisms are operated, a clutch-controlling member, an

edge-guide movable to and fro transversely of` the path of the work, a springv arranged to shift vsaid edge-guide in one direction, a treadle arranged to retract said edge-guide in the opposite direction, and means arranged to lock said edgeguide in an intermediate position, said looking1 means being controllable by said clutch-controlling member to release the edge-guide.

7. A fastener-inserting machine comprising a work-supporting table, a vpresser-foot arranged 'to clamp the work thereon,` p'ower-operated` :'mechanisms arranged oneto insert a series of fasteners successively and the `other to feed the `workto space the fasteners one from another, an

edge-guide movable to and' fro, a spring-pressed `member' arranged normally to lockV said `edge- `guide,-and a manually operable Controller arranged to retract said` presser-foot and said spring-pi'essed member with one motion to re- 1ease the work and saidedge-guide.

8. A fastener-inserting machine comprising a Work-supportingvtable, a presser-foot arranged :to clamp the work thereon, power-operated `mechanisms arranged one to insert a series of Azfasteners successively and the other to feed the work to space the fasteners one from another, an

.edge-guide movable to and fro, a spring-pressed `member arranged normally to lock said edgeguide, a manually operable controller arranged to retract said presser-foot andsaid` spring-pressed member With one motion to release the work and said edge-guide, and means under control of said Controller for starting and stopping said poweroperated mechanisms.

9. A fastener-inserting machine comprising a work-supporting table, a presser-foot arranged to clamp the work thereon, mechanism arranged to insert fasteners successively in a series, mechanism arranged to feed the work to space the fasteners one from another, a driving clutch by which said mechanisms are operated, an edgeguide movable to and fro transversely of the path of the work, spring-pressed means arranged normally to lock said edge-guide, and a Controller movable in one direction to retract said presserfoot and said spring-pressed means.

10. A fastener-inserting machine comprising a work-supporting table, a presser-foot arranged to clamp the work thereon, mechanism arranged to insert fasteners successively in a series, mechanism arranged to feed the work to space the fasteners one from another, a driving clutch by which said mechanisms are operated, an edgeguide movable to and fro transversely of the path of the work, a spring-pressed member arranged normally to arrest said edge-guide in an intermediate operative position, and a Controller movable in one direction to retract said presser-foot and said spring-pressed arresting member.

11. A fastener-inserting machine comprising a work-supporting table, a presser-foot arranged to clamp the work thereon, mechanism arranged to insert fasteners successively in a series, mechanism arranged to feed the work to space the fasteners one from another, a driving clutch by which. said mechanisms are operated, an edgeguide movable to and fro transversely of the path of the work, a spring-pressed member arranged normally to arrest said edge-guide at an intermediate point in its range of to-and-fro movement, and a controller movable in one direction to retract` said presser-foot and said arresting member.

12. A fastener-inserting machine comprising a work-supporting table, a presser-foot arranged to clamp the work thereon, power-operated mechanisms arranged one to insert a series of fasteners successively and the other to feed the work to space the fasteners one from another, two treadles one of which is operative to retract said presser-foot, an edge-guide connected to the other one of said treadles to be shifted thereby to various operative positions, and a springpressed member arranged normally to lock said edge-guide but operable by one of said treadles to release the edge-guide. i

13. j A fastener-inserting machiner comprisinga work-supporting table, a, presser-foot arranged .to clamp the work thereon, power-operated mechanisms arranged one to insert a series of fasteners successively and the other to feed the.. `work to space the fastenersone from another,

a driving clutch by which said power-operated mechanisms are operated, a treadle by which said clutch is controlled, a movable edge-guide,

a treadle by which said edge-guide may be shifted ito Various operative positions, a spring-pressed -work-supporting table, a presser-foot arranged 'to clamp the work thereon, power-operated mechanisms arranged one to insert a seriesiof ,fasteners successively and the other to feed the:

work to space the fasteners one from another, a driving clutch by which said power-operated mechanisms are operated, a movable edge-guide, two treadles one of which controls said clutch and the other of which is arranged to shift said edge-guide to various operative positions, means controllable by one of said treadles to secure and release said edge-guide, and means operable by one of said treadles to retract said presser-foot.

15. A fastener-inserting machine comprising a work-supporting table, a presser-foot arranged to clamp the work thereon, power-operated mechanisms arranged one to insert a series of fasteners successively and the other to feed the work to space the fasteners one from another, a movable edge-guide, spring-pressed means arranged normally to lock said edge-guide, two treadles one of which is arranged to control said spring-pressed means and the other to shift said edge-guide, and means by or through which the treadle rst specified is effective to retract said presser-foot.

16. A fastener-inserting machine comprising power-operated mechanisms for inserting fasteners successively in a series and for feeding the work to space the fasteners one from another, a movable edge-guide, a controlling member movable therewith, a spring-pressed looking member arranged to cooperate with said controlling member, and inanually operable means arranged to arrest said power-operated mechanisms and retract said looking member to release said controlling member.

17. A fastener-inserting machine comprising power-operated mechanisms for inserting fasteners successively in a series and for f'eeding the work to space the fasteners one from another, a movable edge-guide, a controlling' member movable therewith, a spring pressed locking member arranged to cooperate with said controlling member, adjustable means by which said looking member is mounted and by which it may be shifted laterally to Various operative positions within the range of movement of said controlling member, and manually operable means by which said looking member may be retracted to release said controlling member.

18. A device for variably controlling the guidance of work in a fastener-inserting machine of the type in which the fasteners are inserted successively in a series as the work is fed automatically to space them one from another, said device comprising a detachable work-supporting table along which the work may be fed as aforesaid,

an edge-guide mounted on said table and movable to Various operative positions, yieldable means arranged normally to maintain said edgeguide in one of its operative positions, and a spring-pressed member arranged to lock said edge-guide in another one of its operative positionS, said spring-pressed locking member being retractable to release the edge-guide.

19. A fastener-inserting machine comprising power-operated mechanism for inserting fasten- "ers successively in a series, regulatable workfeedng mechanism by which the work is fed with Steps of variable length to space the fasteners 'one from another, starting and shopping means by which said mechanisms are operated, movable work-guiding means, and a treadle-operated mechanism a movable element of which is formed vand arranged to be operatively engaged alternatively with said work-guiding means on the one hand and with a regulatin'g element ofi'said work-feeding mechanism on the other hand.

20. A fastener-inserting machine comprising power-operated mechanism for inserting fasteners successively in a series, regulatable Work-` feeding mechanism by which the Work is fed with steps of variable length to space the fasteners one from another, starting and stopping means by which said mechanisms are operated, movable work-guiding means a member of which is located adjacent to a regulating member of said work-feeding mechanism, and a treadleoperated mechanism including a connecting-rod ari'anged to be operatively engaged alternatively with saidmembers, the connecting-rod and said members having cooperative hook-and-eye formations to facilitate transferring the Operating connection from one of said members to the other and vice Versa.

MALCOLM G. BLISS.

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