USRE1154E - Improvement in sewing-macrhxnes - Google Patents

Description

E. Howe. Jr.

Sewing Machine.

Reissued March 19, 1861.

Tfull 'whom it rmty concern)? v UNITED STATES Onif ono E-LrAs Hows, .in oF BR-ooKLYmfNEW YORK.'

f IMPROVEM E N-T IN SEW'ING-MACFIMLNES.

Specifieatilih forming part LettersPaten t No; 4,750, dated September 18 46 extended seven yours;

. Reissue N0; I,l5 i, dated Munch 19., 1861.

'Be it "wn'that' IQELIAs HowE,- J1 =01 Brooklyn, King's county, State ofNe'w Y'ork, end formerly OfOa nb'ridge, in the-county of -Middlesex' and staie of Massachusetts, have invented a. new and useful machine for. sewing; sean' s in cloth or other articles requiring to-besewedyand-I do 1 hereby declare that the .'f91- lowing .is aefull and exact description theieofi:

' Inlsewing a seam with" my machine two threads are eniployed, one of whieh' threads 7 is "earigigfi through'l the cloth by-means of a. curvedv needlgthe pointed end of which is to pass through said clotln' The needle used "has "thejeyethetis to receivethe thread'within a. small "dista pcmy an eighth of an in'c h"'o.f

' its'innei' orlpo'inted end, with a' groove to re- 'ceive and protect the thread in the rapid.

movement of theneedie through the fabric to. be sewed, runningback ."from' theeye to the .heelon both sides. The other or outer end of the needle. is held by an armthat;vi bretes on a pivot'orrjoint pin, and theourvature of the needleisxsueh to correspond with the lengtlrof the arntes 'its radiusl' the .threadwis'j carried: thnongh the cloth,' which v may bejdoneutothedistanoe; of 'about three-Q fourths (Sfan inch; the thread will bestretched'; above the cur'ued needle. something inthe manner of'a;bow'-str ing, leaving asmallopen between the two. 1 A small shuttle ear;

'ry'in'gj a bohhii if illed with silk or thread-is then made tofpass" entirelythroughtheopen space betweenthe needle and the thread which a 'itand when the shuttle 'is -returned, which is on by. means of a pi'ckerst-afl' or shuttle-driver, the .ithreeid whichwasoarried in by the needle is surrounded by that reeeiired from the shuttle; andasthe needle is drew-n outfit forcesthatwhich was received from the-shuttle into the "body of the cloth,

- and as this ope 'et'ion-is repeated eseem is termed which 'lias on-aeac'h side of the cloth the same'appeanenoei'as that given, by stitching, with this .peonliafity; Ifthat the thread shown on one sideof theelothis exclus iyelythat which was giveni- 'thy the needle end- ."the thread seenontheother side is exclu-' "siv'elythet-whieh wasfiiven out: by the shut 'tle. It'will thei-eforegbe seen theta stitch is made at every 'beek -and-forth n ovement'ot the shuttle. g'lhe two thicknesses of cloth that areito be sewed are held upon pointed fifl which P QiBGt out from a metallic plate;

I lik'e'the. teeth of a comb, but at *a'coi siderable "distance from eeeh 'other-s2 ty threefoiirths of an inch, more or less-these pointed'wires sustaining the oloth and answering ---the pur- 'ofiordinary busting, The metallic plate 1 from these-wires roject, has numerous holes through 'rt;'whi ch ajnswerthe purpose of 1 ,r'aokteet "in enabling the plate to be moved 3 means of e piniornas the 'stitches fo'rw v I are tekdn The distance to which said plate ismovedflend consequently the length of the The other-figures: representseetions and {tarts in detail, which will be presently. explainedi A A-isQth'e bedorl base of the machine; and

B B stenderds rising therefrom,;whioh sustain the shaftandfother pahtsof the" appara- QC G-ji's the niain shefhwhioh oarriesemns that operate the;need1e,'the shuttle-drivers,

andother parts of the'n aehine.

j i D is afiy-wheel, end Ea Winch on said shaft.

1 F is :ubobbin, on which the silk is wound that is-to supplymthe needle;

G is the needle-arm that carriesothe curved needle a. Thisis seen-inost distinctly in the end elevation,.l+i-'g. 2. J The thread froni the bobbin-F passes round :t snielll' friction-roller, b, or round 'ai's'mooth groove inthe situation of said roller, then up through the eye of the needleaw, which eye is situated neanto the needle-point, The e1oth-is stuck on the points d d,' that project from the metallic; plate H,- which Iwill call the baster-plete. f This plate is shown most" distinctly inthe top View; Fig.- 3. When the thread '6. is carried through the cloth pby -the needle (1, the 'upper portion of said thread will be; above-the needle, and will fallow the point of the shuttle (to be presently described to pass between them to-enable it toenter readily. The needle, afterentering the cloth, is immediately drawn back to a, short distaneelnwhich opens the loop slightly; the

eam'whichoperate'sthe needle-arm-being s01 {formed as tocansisuoh drawing back. 'Tl e shuttle will, in order to give'itselfthe 'neces sary room, draw a portion oflthread which had been given out by thene'edle through the cloth, said thread having been left in a loop or slack state forthatpurposeu v Fig. 4 represents. a parto'f th "sane portion of the machine that is shownin Fig; 2, but with the'needle-arm down with the needle passed through the cloth 'fis thecloth seen 1 in section, but not; showngin any of the'other figures.

I in the respectiveE-fig'ures is vtheshuttle box'or trough, within ich; the shuttle is inoved back and forth b meansofthe picker, stavesor'shuttleQ 'ivers J 'Iii-I ig. 5' {have givenla top view of this b0 itli-the '-shntt1e Kfwithin it; "Thisshuttle i .i 3 construction'similar to th'elar e'rf 'uttlesused in weaving, excepting it ha'sghnt one point, forrned,as shown in Figg 7,1'bytheforward end of the needle side extended, and fitted to run inalongiti dinal groove inthe. bottoni of theshutfle-bbx, even withthe upper part of thev needle lreceivedrin the cross-gr0ove," to insure the interlocking of the-threads; and; its spool y'is capable oi containing an ordinary skein'of silk A, claspspring appliedto the shuttle audits spool, 'as.showni1iFig. 7, regulatesi the unwinding of; the thread. 1 The'slnm tle-box I is represented'as'made convex on its under side, by whichit is'adaptedto-admitai baster-plate thatmayjbe inj acurv'edf orm, al-

- though for most purposes .a straight baster;

plate may be used; The pieces markedd i-are'.

light springs: above the shuttle, which bear;

. 11 htlyuponfit and serve to steady its niotion. f The shuttle -'dri vers work on joint-pins, *as shown at j, Eig.*2,- there being a correspond iu'g fixtilre fontheldrivers' on the other-side. 1 L, Fig.1 3, is theic'am' that operates theshuttile-drivers, on the upper ends of whichdrivers} there may 'be friction-rollers, jj. 'The cam' L acts upon" the jshnttlefdrivers alternately.

V The shuttle driverswhen; not aetedbn by the rams, are held in position by springs.

. M', Fig. 5,'is a sliding box, -fitted 'nto' the" shuttle-b015, and moved back "and forth'inthe;

,rear ofth'e shuttle by one .of-the drivers;-

., is a corresponding-sliding piece moved by the other driver, and to the fore or. pointed fend-,of-theshuttle. This p1ece,"aiter' each forward movement, isjwithdrawn by a spring. actingonthe. upper'fend'of its driver,

so" as notto' interfere withthe; proper actio of theneedl e and itsthrea'd f 1 o.

The needIe-armfis attachedt that carries a pin eminent-toner, k,"wh ich enters a space, l', in the cam Q, which "space operates asa zigzag'f groove, and :is of courseso formed as to give the proper'vibrationto J the needlearm. Thereis a groove or narrow channel made across the bottom 'of the shuttlebox to receive the needle, in order thatits' @f is the 1 0i) jor Slack thread. formed 'on they outside of th'e cloth, and whiclifis -to be? drawn through itbythepassingof the;shnttle; 1

0, Fig; 1,.which vibrates on a'center pin or;

allow the shuttle to :freely over it. 'Thebasterfplat'e- H," Fig: 3, which receives the "cloth to besewed, isfurnished with a row tance fi'onieach other, serving thepurpose of rack-teeth, and into these round pinion-teethenter for-the purpose of carrying theplateforward to aproperdistance at everystitch. The

'baster'plate isheld down upon these pinion-j 'teetkiby'a suitable spring.

feeding'apparatus as it would appear were a the lines w of Fig; 3. M R is a cam on the (1215RP- V, Fig, 1. Thisshaft has on it, near its fore end, the pituionjthat carries the pins or teeth cause it to advance between every stitch.

-. by regulatihg: the. play of the arm s, and this is efie'cted by the regulating-screw n, Y Fig, 3, that movesa pin back forth that servesfas a stopto said' arm. The pin is represented by 12 is a spring thatgretains the-ratchet-wheel in placeasthe clawis taking a hew hold.-. q ga swam holding 5h I'n' with thi's, machinethe thread from tli e bobbin, is passed overanoteh, r, Fig. v1, ;at*the,upper end of the needle-arm, and is returned through the notch It then'pas'ses. 2dow'n inv front ofsaid arm, then around-the roller 6, and'through the needleeye f To'regi'u late the giving out of thethread from the bob 'claspe, that is made to press on it by a spring,

passes through the-cloth the thread quently to be drawn; in by the passing of the side of: which projects the lifting-pine.

-"on a friction-roll'eg y, on a shortarm-onthe 'inner' end of the shaft'W; "The liiting rod upper part may be evenwith bottom, and I of small holes, m m, drilled at a regular dis- I. .Fig; 6 shows the principal portion the :"vei'tical section made through the machine in s aft O, that vibratesan arm, S',-oarrying a'. j feeding-claw, T, that takes into aratchet wheel, I U, ontheshaft V, wh'ch shaft crosses the bed A of. the machine, v fore end being seen at thattak e into the holes min the ba'ster and; ;The"lengthefpthe stitc'h' may be regulated 'the dot 0, Fig. 6; andis seen at 0,Eigs; 2 and 3. 1

r -fi a ai t e bin, friction is made on it by the semicircular ":heiggulated by aj tempering-screw. Before the. .n e

which extends from the needleeye tosaid'cloth 3 isaa ised. or 'dra-wn up by a lifting-pin, sogas to form. the-loop'or slack, 'whichis'subseshuttle between-the thread andthe needle, and also toprevent entanglement with the needle and to in l flthe uniform laying of thestitches] Figs. 1 and 2f'is' a1- lifting-rod, from the j The liiti'hfg-ibd -iii-attached at its upperend to a rcranl'g-arm,'v, whioh works on a shaftygvj and this-shaft is made to Vibrateby'meafiBbf the came on the.cam sl aft. This cam operates; 1

stands infrontof a plate-,,fX, Figsil and 2, whichis attaehed at its upper end to the frame t of v the machine, and between thelower end of thisplate andtheshuttle-hox. the clothjis to pass. The plate Xflis furnished withaihjn jj-ointat upperjend in order that. its is taiicefromthe shuttle-box} may be regulated; to suit cloth. of different thicknesses, Y, Fig.

' i, is a set-screw by whichit is .hcidiifplace. The inner surface'of the plateX is slightly beveled, as shown in Fig. 2, to facilitate the entrance and passageeof the cloth betweenit and the shuttle-box. These opposing-local surfaces of the-plateX and the shuttle-box having a suitable passage for the needle with its thread are smooth, and hold the cloth in position at the place of sewing under the action of the other parts of the machine, and they. specially aid the needle and shuttle to form and tighten the successive stitches in the cloth alik e,fland they also specially aid the basterplateto hold. and guide the cloth forward on its points inthe line of seaming;

From the back part f the lifting-rod proceeds a guide-pin, z, that moves the liiting;rod laterally, so as to govern the action of the lifting-pin u. This guide-pin works against guide pieces a/ b', afiixed on. the front of the plate The dottedlinesfshowthe groove formed by the pieces. a b,'along which the guide-pinis' to pass. The lifting-rod is carri'ed toward the piece b by means of a spiral spring around its shaft,-or in anyother convenient mode' In-the position inwhich the a.,-apparatus-is shown-in Fig. 1 the lifting-pin is partially raised, aird will have liftedthe thread. In raising it the guide-pin passes m through the groove between a b, (shown by] dotted lines,) and when at the upper-end of 'this groove the needle-arm acts and carries the needle through the cloth. i

' i On theside of the needle-arm there is a projecting piece, 0', the inclined edge of which, coming in contactwith the lifting-rod, pushes it laterally over the angular point of the piec a, and the crank-arm V descending at this moment, the lifting-pin is withdrawn from the thread which is thereby left slackf to a sufficient extent for the purposedesignated.

.The shuttle shown separately in Fig; 7 has a hole, .d, through its side for the thread to passfrom the spool, and a slot, f f 'is made through the side of theshuttleboxto allow of the play of the shuttle-thread back and forth; At the time. when theshuttle has completedits passage betweenthe'needleand its thread, the needle isto be withdrawn from the. cloth,

and'when'this is taking place it-is necessary that the shuttle-thread should be held firmly,

In Big. 1, g is the outer end of a lever'which is made to: rise at the proper moment, and 'to clip the thread between it and the upper edge of the slot f. This lever is seen in Fig.

2, its fulcrum being at h. The rod 1'- serves to depress the innerend of said lever, which is held up by asp-ring, 1, and to raise-its outer end, the camj on the cam-shaft performing this office by acting on a spring-treadle, 2,

g p as described.

or the withdrawing of the needle, .instead of drawing the shuttle-thread firmly into thebody of the cloth and making a perfect seam, would draw a portion of it from the spool and cause it to pass entirely through said cloth.

an adjustable guide,. 3-, 'whereby the pressure of said treadle isregulated; I

against the rear end of the shuttle, but has a pin, m1, projecting from its fore end, which pin acts against the shuttle. The pin m c onstitutes a part of a small lever shown separately in Figs 8'. The part a of this lever is re resting on t he u per aw saidrod, hel d by Thesliding box1\L jdoe's not bear directly ceived within a suitable slot in the slidingbox M, and .it turns 011 a fulcrum-pimp. Then .the shuttle has passed through the loop formed by the needle-thread, said loop is received upon the pin m, and as the needle is retracted the thread'will be drawn taut upon said pin.

Atthis time the head of an adjustable springpiece, Z Z, bears against the end a of the small lever, and the force of its-pressure has to be overcome before the thread escapes from the pin, which it does by drawing over against the power of the spring. As the loop then asshown by the dotted lines.

' O is an adjusting-screw by which the force.

of the spring Z may be regulated.

"The aforesaid machinery, arranged and cooperating as described,constitutes my new machine,-which sews a. firm seam automatically, and is designed to take the place of hand-sewing.

,Having'thus fully described the mannerin escapes, 'it will draw, up the filling-thread from the shuttle firmly against the cloth and embed it within it. The head of the spring Z passes through a mortise in the shuttle-box,

which Iconstruct my machine for sewing seams, and shown the operationrthereof, what I claim as new, and desire to secure by Let ters Patent, is as follows:'

1. A sewing-machine, constructed and'operating to form aseam, substantially as described. 2. Thecombi-nation of a needle and a shuttle, or equivalent, and liolding surfaces, constructed and. operating substantially as (le scribed. I

3. The combination of holdingrsurfaceswith a baster-plate or'equivalent, constructed-and operatingsubstantially as described.

4. A lifting'rod, a clipper-lever, and a receiving-pin, respectively, each constructed and operating to control the threads, substantially '5. Abaster-plate, constructed and operating substantially as described. I

6. -Holding-surfaces, constructed and operating substantially as, described.

7. A grooved and eye-pointed needle, constructed and adapted for rapid machine-sew ing, .substantially as described.

. '8. A side-pointed shuttle, constructed and operating substantially as; described. v

. ELIAS HOXVE, Jn'..

\vitnessesi I, I

' W. H. PEUMMER,

' A.- MARKs.

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