US513008A - fefel - Google Patents

Description

(No Model.) 2 sheets-sheet 1.

H. H. FEFEL. SEWING MACHINE TRMMER.

No. 513,008. Patented m. 16,1394.

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(No Model.) 2 Sheets-Sheet 2.

H. H. FEPEL.- SEWING MACHINE TRIMMBR.

No. 513,008. Patented Jan.. 16, 1.894.

' W/TNESSES.

UNITED STA-Tes PATENT OFFICE..-

HENRY H. FEFEL, oF NEW YORK, Nj. Y.

SEWING-MACHINEY TRIMMER.

SPECIFICATION forming part of Letters Patent No. 513,008, dated January 16,` 1894. y Applicationfiled January 14:,` 1893. Serial No. 458,328.- (No model.)

To all whom t may concern:

Be it known'that I, HENRY l-I. FEFEL, a citizen of the United States, residing at New York, in the county and State of NewYork, have invented new and useful Improvements in Sewing-Machines, of which the following is a specification.

This invention relatesto an improvement in sewing machines and the invention consists in certain novel details of construction set forth in the following specification and claims and illustrated in the annexed drawings in Which Figure 1, is aside elevation of the machine. Fig. 2, is a section along :c w Figs. l and l. Fig. 3, is a section along y y Fig. 2. Fig. 4, is a section along z e Fig. l. Fig. 5, is a de- Y tail face view of a trimmer. Fig. 6, is an edge view of Fig. 5. Fig. 7, is a section along w w Fig. 6. Fig. 8, is a front elevation of the machine. Fig. 9, is a section along u u Fig. 8. Fig. 10, is a section along u u Fig. 9. Fig. 11, is a detail side elevation of the looper and adjacent parts. v

In the drawings, the letter A indicatesv a base or support from which rise standards Bl supporting a cloth plate C. The goose neck D is provided with a'presser bar E and presser foot F actuated by lever Gr aswell known. The driving shaft H has a driving pulley I. A suitable eccentric on said shaft'actnates link K giving motion to lever LM fulcrumed at N and linked or connected at O to the needle bar P for actuating the latter with its needle Q. A cam R on driving shaft H gives the up and down motion to the feed dog S. The driving shaft has fixed toits forward end a crank pin T (Figs. 8 and 9) connected by link U to a horizontally oscillating lever or frame V fulcrumed at W and having the feed bar X extending to the feed dog S for giving the latter a forward and backward movement. The link U is made in two parts or sections connected by screw thread Y so as' to be properly adjustable in length. Said link U is adj ustably connected to the lever or frame V by apin and slot connection ZEl so that said link U can be setto vary the degree of feed. The feed bar X is connected to the lever V by a pivot or joint h. The looper c acts in connection with needle Q and feed S to form aline of stitches. Saidlooper chas a forward and backward motion being mounted on a slide d reciprocating `on a support .or guide e. The slidecl is actuated by link f connected to saidlslide and to the arm g (Fig. 1) extending from lever L M. The guide or bar e is supported at. or near one end by a pivot or joint'h so as to be capable of acertain swing for giving thelooper its lateral movements in addition to its forward and'backward play. The pivot or jointhis supported on a bracket t' adj ustably held by set screw 7c in a post or standard B in which said bracket t' can be adjusted or set to the proper position. The forward or free end of guide e is provided with an a'rm Z into a slot in which extends a point or guide pin m supportedby bracketfn.. Said last named bracket n can'also be adjusted in a postB by means of set screw 0.` The lateral play or swing of guide bar e is obtained from an eccentric p on driving shaft I-I.

From said eccentric p extends a link or connection q made in two parts or sections connectedby screw thread r so as to be adjustable in length. Said link q connects by a ball joint s with the guide e said ball s having a stem t engaging the guide e. The link is connected at one end to the eccentric by a strap or band extending in the usual way from the end of the link about the eccentric, the other end of the link being :jointed or.` pivoted to the part of the mechanism to be actuated by such eccentric. The socket part of link q in which is seated the ball s is split or partly so and held together by a screw it on removing or loosening which the ball s can be removed.l The socket part of link q is then free to be turned one way or another along screw thread r until properly adjusted. The lateral play or swings of guide bar e derived from eccentric p are imparted to looper c so that the latter has a lateral movement or swing in addition to its forward and backward motion.

In the formation of a stitch the looper makes the' well known four motions. The needle having pierced down into the cloth forms a lloop of the needle thread and the looper then the feed of the cloth so that the needle on its redescent will enter the loop of the looper thread. The looper then recedes cast-ing off the loop of needle thread, the needle on completing its descent setting the stitch then formed or in other words, tightening or drawing in the slack of the thread forming such` stitch. The looper then moves laterally in the direction of the feed of the cloth so that on its next forward stroke it takes the next loop of the needle thread.

A trimmer U is secured to a bar 0r carrier A' by means of a screw or fastening B. The carrier A' has a series of fasteningsor attachments B so that the trimmer c can be set at various points as required. The trimmer can thus be set to trim before or after sewing as required. The carrier A plays on guides or posts C "on the cloth plateCandfsaicl carrier A is provided with Tspli-t bearings which can be tightened by screws D to take -vup the wear. A pitman 'or link E `carries umotion direct from drivingshaft H by meansof eci centric F to the -carrierA and trimmer fu.

The linkisfconnected at one end to the ec-` centric by a strap or band extending' in the usual way from the end of the link about the eccentric, the 'other end of the link being jointed `orpivoted to the part of themechan-l ism `tube yactuated `by Vsuch eccentric.

'.llheact'on of the cutting edge G of trim-` posedo'f ra pin H having a sharp free `eX- i tremity or poi-nt to pierce 'or penetrate Vthe cloth` before the cutting edge G begins to act,

whereby the `cloth is held against derangement during trimming.

In Fig. 7 isshown a pieceo'f cloth I partly trimmed and engaged by the cloth-piercing pinIiI and having a row'of stitches at Kf The cloth-piercing pin H is shown detachablysecured to trimmer U by a screw or fastening It. i y

The'cutting edge G of trimmer v with its cloth-piercing pin I'I is located above the cloth plate C and said edge G acts in connection with the edge M (Fig. 2) `of the 1 counter blade N -to trim or shear the mate- The counter blade N is located below the plate C and is adjustably held in place by means of the screw and slot connection OP securing the counter blade N to a depending flange or shoulder Q on cloth plate C.

The needle thread R is fed from any suitable spool or supply through tension and by guides'as usual to the eye of the needle near its point. The looper thread S is similarly fed and guided as seen and passes under cloth plate C through an eye or guide T secured to base A and thence through an eye in the looper near its point or free end.

The cloth plate C is slotted or perforated or provided with thecustomary throat plate 'f to allow play for the` needle, the feeder and the trimmer.

Byadjustablyjsecuring the guide T 'as by l means of a screw Aand slot iconnection U V lsaid guide T can be set toward Yer from the `looper point as required.

I do fnot Vhereinclaim the looperlmecha'lrism described and shown, as it "constitutes the subject-matterof a separate 4applicatieri for patent i'ledby me .lune `22, 1893, Serial No.

What I claim as new, and desi-re to secure by Letters Patent, isdan l. The combination `with a stitchforming mechanism, of a-trimmer-,Iand a cloth `piercer Amounted thereon in Ajunta'p'osiftion `to its cutting edge `for `piercing the cloth 'when the trimmer descendaand uthus holding thelcl'oth against displacement wlhile "bei-ng trimmed,

substantially las described.

2. The combination with a1 cloth plate` and astitch forming mechanism substantially as described, ot' a trimmer provided with fa.

prickeror point located above the Iplatc and made tooperate through avsloto'r passage in said plate for `piercing intothe goods to :hold

.the latter 'during the yaction of Athe trimmer,

and acounter blade `for said trimmer Vlocated below the plate, substantiallyas described.

In testimony whereof I have liereuntoset my hand in the presencelof two subscribing Witnesses.

HENRY H. FEFEL.

VVit-nesses:l

WM. C. HAUFF, E. F. KASTENHUBER.

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