US845092A - Sewing apparatus. - Google Patents

Description

WITNESSES:

PATENTED FEB. 26, 1907.

P. JACOB & J. BOPPEL. SEWING APPARATUS.

APPLICATION FILED D30. 8. 1905.

2 8BHETS-SHBET 1.

|NVENTOR$ BY W JV. ad/r AITORNEY- .No. 845,092 PATENTED FEB. 26, 1907.

F. JACOB & J. BOPPEL.

SEWING APPARATUS.

APPLIGATION FILED DEU. B, 1905.

2 SHEETS-SHEET 2.

WITNESSES: INVENTORS Qaww ab 6 BY ATTORNEY.

UXIfllQl) S'VFATES lA'lENT OFFICE.

SEWING APPARATUS.

Specification of Letters Patent.

Patented Feb. 26, 1907.

. ipulitwitim'. lllr-il Deceiaht: 8, 1905i Serial N 290,920

art ties: ription oi the iniention \llt'll as will enalile thers skilled in [he art to whirh it apperttiinsv to tnalw and ll:\t' the same, retora-nre litillj had to the ueroinpan inti' drawings. and inlet ters ot' rel'erenee nutrheit thereon, \\lil\'ll torni It part (it this stir-Filtration 'llu ohj rts ol the titt'mlli iniplorelnents are to enahir the thriwul-raliwine' lifllllrill to he mor rmidiivand quit-lily removed from its holder or easing; to simplify and reduce the Ur-l ol' roIr-drnrtion: to prevent more etltrttlztll) the (logging ol' the t!t'\'ltt li at- ('llltllilttittl lint from the thread and goods sewed upon; to provide a more duiulhle and !i ?l\t'lt.\ tli\'lt't1 lo (llztlilt a higher speed to he ohtained, and to swore other advantages and results, some ot' whirl: n|u he rel'erred to hereinat'te; in ronne-etion with the desrriptiou ol the writing; parts.

The invention eons-hits in the improved sewing apparatus and in the arrangements and eoniliinations ol' partol' the saint, all suhsttintiail as will l lieiwinal'ter set forth and linally enihraeed in the rlauses oi the ('lainr litltt'lillti to the arroin u|n 'in t: drawings, in which like letters ol rel'erenre indirate (orresponding' parts in earrh ol' the several li -gun's, Figure l is a plan of a portion-oi the heth plate ol' a sewinganaehiue and the liobl inholding ease and hooked looping-ring and eonnet'tions. Fig. .3 is a. front elevation of the same. Fig. 3 is a side elevation, and l ig. 4 is a front elevation, of a hohhin-ease holder ,lteeper in d tail. Fig 5 is a plan, and Fig. (3 is a side elevation, of a hohhinease; and Fig. 7 is a set-t ion of l hosatne, taken at line .r of hie .3. his: 8 is a detail side view of a hohhin used in ennnertion with our ilnptot'etnvuts. l lj fl is a plan of the loopinn-wine in detail; and Fig. is a sectional ion 01 the so me, ltllflll at line y 0f 1 ig. Q and show in; a hohhin-ejm-tor therein.,,

In said drawings 5 indieates part of the frame ol :1 tot'k-stiteh smring'niae title of any snituhle i-onstrut-tion. ti innit-ates a 'hraehet attaehed to said lzed-plate and having horizontall \'projertingarnrs T S, whirh furnish hearings [or the oscillating, shaft 5] of the guinea biaid shaft is arranged '\'QI tivall in said hearings, and lzetween said hearings said shalt .l is adapted to receive any suitahle nieans h whieh it is turned and pret'erahtx' osr1llated. Above the up )er hearing 7 the said shaft is provided wit a horizontal radial arm 0'1, which is turned upward at its outer end to fornra vertical extension 9;, \\'ltit'l1 in turn carries the looping :rin it), the parts ti and 10 being either integral or in pieces, as convenience may render desirahle. Said looping-ring 10 is horizontallr disposed and is concentric with the shalt t), turning therewith under the power of the operatinglneans. (Not shown.) in the upper edge of the ring 10 is a concentrie groove l] for the hohlzin-casing, and through said ring are formed a series of perforations 12, opening into the bottom of the groove H and permitting the out passage from said groove of any lint, grit, or thelike whieh it permitted to accumulate would clog the movements of the parts. The peri'olatious provide also air-passages by whieh the air is caused to circulate at the contact surlaees to eool said surfaces, and the aireurrents indueed by centrifugal force tends to blow out the lint to clear the hearings, as above indicated At one side of the ring It) the same is reoessed, as at l3, and at said recess is formed a hook ut' pointed projection 14, adapted to enter hetween the needlesthread and needle and l'orni a loop, as heroinafieil'idescribed. 'lhe point ol said hook 14 lies within the peripheral line of the ring and below the plane of the rib 17 of the bobbin-easing and is timed to rail-h tho needle-thread as the hitter is carried up by the needle. The needle traxeis parallel with the axis of the bobbin and reeiproeates inside therine near the portion of the hohhin-eiising that divides the loop, as will he hereinafter described. Seated on top of said ring is arranged a bobbineasine- 15, which is held stationary, or substantially so, on said ring 10 as the latter oscillates by the bobbin-easing holder 18. Said bobbin-casing is provided with a rib 17 on the under side, at or near its periphery, which fits loosely into the groove 11 to permit a free oscillation of the ring 10. Concentric with said rib and with the ring is formed in said casing a bobbin chamber or receptacle 18, in which the. bobbin it) is 10 seated and freely works to pay out the bobbin-thread. Said bobbin 1.) is preferably a metallic spool, on which the thread may be Wound preliminary to the sewing operation; but it may be a wooden spool, such as is com- 15 mon on the market, said bobbin-casing and its receptacle 1% being then sized to suit. At one side of the casing 15 the same is cut away to provide a bearing 20, said bearing bein curved on a radius larger than that on whic i the normal periphery of the casing is formed to permit an cas i slipping of the thread therefrom. The 8( go 201 of the ring 15 divides the loop on the hook 14 as the hook passes this point and conducts the thread so thot'one part of the loop passes between the bobbin-casing and the part 26 and the other part under the bobbin. The loop then between the casing 15 and part 27 and is ready to be drawn taut. o The. wall of the receptacle 18 is slotted and provided with a tension-spring 22, Fig. 5, and through the slot 21 and between the body of the ring and the spring 22 the thread asses out from the bobbin, as in other bobin holders or casings now in common use.

To hold the bobbin-holder in place on the ring 10,. we have provided the keeper 16. (Shown in Figs. 1 and 2 and in detail in Figs. 3 and 4.) This coin rises a sheet-metal piece bent and shaped to e fastened. to the part 5 or the bracket or plate 6, attached thereto and extended over the top of the bobbinholder 15, the free end pressing gently down on the top of said bobbin-holder with a gen 5 tleresilient pressure, such as will not interfere with the loop of the needle-thread passin hboth over and under said bobbin-holder to lock with the bobbin-thread. To this end said keeper at one end is provided with a erforated seat or bearing 24, by which the eeper is screwed or otherwise fixed to the part 5, a forwardly and upwardly projecting arm 25, which is cnt so that its upper part 26 lies in 0. horizontal plane to engage the top of the bobbin-holder. This horizontal part 26 is provided with a larger perforation or opening 27, which coincides with the chamber or receptacle 18 in the bobbin-holder, as shown in Fig. 1, so that the bobbin can easily 5:: be removed from its chambcror receptacle through said opening or perforation. The projecting extremity of the arm or horizontel part 26 is bent or turned downward, as at 27, Figs. 2, 3, and 4, to lie against the sur- (:5 face 20 of the bobbin-holder, the depending part 27 conforming to .Hllb' t\l\!il i l l" eurvatu re of the rut-away side of the bobbinholder, so that the latter will be prevented i from turning axiilly with the hooked ring To facilitate the removal of the bobbin from its receptacle. we have provided a lifting-rod 38,h:..ving a head 28] adapted to underlie the spool or bobbin resting in its re.- cept'aele 18. The shaft U is hollo w axially to receive seid rod 28, and the bobbin-holder 15 is open or perforated at its bottom, as at 29, Fig. 7, to permit the head 28] to pass therethrongh and engage the under side of the bobbin and raise said bobbin to a point at which it can be conveniently grasped by the hand. To thus raise said head 25], we have employed a lifting-lever 3U, uh-ruined at 31 on a bracketii? mid having a finger extension 33, which projects up through the ring and lies just outside of the depending part 27 of the keeper, where it can be depressed by one finger of the hand about to grasp th bobbin as it rises, The rod 28 being at the center of the shaft 9 may turn therewith or not without interference with the movement o of said shaft or the hooked ring, and all danger of rattle or noise therefrom is avoided. The bracket. 32 is also fastened against the part 5 or bracket 6 and does not interfere with the movements of the rin or the thread forced thereby over the bobbin holder. or

case.

In operating the device the needle-thread being caught by the hook or projection 14 is drawn by said hook over the blade like end or terminal 20] of the surface 20 at the periphcr of the bobbin-easing, where the threat is caused to pass both over said casing between it and its keeper and under said bobbin-casing between it and the loopingring, and thus enter into locked relation to the bobbin-thread in a manner similar to that common in the art.

Having thus described the invention, what we claim as new is 1. In a sewing-machine the combination with the machine-frame having bearings for a vertical shaft, a hollow shaft arranged in said bearings, a ring carried by said hollow shaft, a. groove being formed in the to of said ring concentric to the axis of said ho low shaft, a bobbin-casing having a rib to enter said groove, means for holding said bobbincasing onto said rin said means comprising a shcctanetal piece as'tened tosaid lnt'tGlllllG- no frame and extending over the bobbin-casing and having an opening through which the bobbin may ass, and an ejector-shaft arranged in said hollow shaft andada ted to engage the bobbin in itscasing to ift the 12 5 same therefrom.

2. In a sewing-machine, the combination with a hooked ring for catching the needlethread, said ri having a roove therein concentric with t 6 axis of sci ring and having side, openings communicating with the said groove, a'bobbin-casing having a rib to enter said groove and having a receptacle therein and means for holding said bobbineasing onto said ring.

3. In a setting-machine, the combination i With the ring having a groove and h swing a recess at one side and a hook extending into said recess to catch the needle-thread and having; at the sides openings COIIHYIU- nioating with the groove in said ring, of a bobbin-casing adapted to rest on said ring, the said casing being furnished with a rib adapted to enter said groove and a keeper comprising a piece bent and providinp a seat arranged to rest over the casing, the overlying part of. said keeper being open to nermit the insertion and withdrawal of the bobbin, substantially as set forth.

4. In a sewing apparatus, the combination with the machine-frame, of a vertical shaft having at the top ahorizontal ring with openions at the sides and a groove at the top in open oonnnunication with said side openings,

:1 hoblnrcasing seated on said ring and having a rib iying in.said groom and a bobbin seated in said casin the said ring, lowing: a recess at one side with a hook extending; from the hodyof said ring into said reeess, the point of the hook l ving below the plane of said rib to permit said hook to pass underneath said easing 5. In a sewing: apparatus, the combination with a inechine-franie, of a vertical hollow shaft having .1! the top a horizontal ring with a thread-hook, and having a groove in its upper face, a bobbin-casing having a rib to enter the groove in the ring, the bobbin-casing being cut away on 0 -i side, a keeper secured to the frame and bent 0 go over the bobbincasing,and having extensions to engage the out-awayportion of the bobbin-casing, the top portion of the keeper having aperfioration, a receptacle v. it] v in the bobbin-casing for reee1ving a bobbin and arranged to support the bobbin, a rod arranged in the shaft and having a head to engage the bobbin, a lever having an arm between the head of the rod and the end of the shaft, and the finger-piece of tlie lever extending up between the ring and the bobbin-casing.

6. In a sewing apparatus, the combination with a machine-frame, of a vertical l ollow shaft having at the top a horizontal ring having a threat l-hook, a bobbin-casing on the ring having one of its sides cut away, a member bent to go over the bobbin-casin and maintain it in its position, a receptacle in the bobbin-easing to support a bobbin, a rod in the hollow shaft, a head on the rod, a lever on which tlte head of the rod rests, and a finger-piece on He lever proieeting up between tlie ring and the bobbin-casing.

in testimony that We elaiin tl eforegoing we have hereunto set our hands this December, 1905.

FREDERICK JACOB. JACOB BOPPEL. YVitnosses Cnsnitns H. FELL, ETnEmvYN PELL.

1st day

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