US275200A - Button hole attachment foe - Google Patents

Description

(ModeL) 4 Sheets-Sheet 1.

J. P. HALLENEEGK. BUTTON HOLE ATTACHMENT FOR SEWING MACHINES. No. 275,200. Patented Apr.3, 1883.

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BUTTON HOLE ATTACHMENT FOR SEWING MACHINES. No. 275,200. Patented Apr. 3, 1883.

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BUTTON HOLE ATTACHMENT FOB. SEWING MACHINES. No. 275,200.

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BUTTON HOLE ATTACHMENT FOR SEWING MACHINES.

Patented Apr. 3, 1883.

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INVENTUR.

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UNITED STATES P TENT OFFICE.

'JOSEPH P. HALLENBEUK, OF NEW YORK, ASSIGNOR TO THE NATIONAL MACHINE COMPANY, OF TROY, N. Y.

BUTTON-HOLE ATTACHMENT FOR SEWING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 275,200, dated April 3, 1883.

(ModeL) eye-pointed needle vibrating or reciprocating in a constant position, and by which attachment the work or fabric being operated on can be vibrated or reciprocated intermittingly to cause the formation of to-and-fro or overedge stitches, and moved step by step to and fro to space the stitches and form rows of them in opposite directions, and moved laterally at the end parts of such to-and-t'ro movements to place the rows of stitches along opposite sides of a button-hole and to stitch across the ends of the latter. 7

The general objects of my invention are to provide new and improved devices and com- .binations of parts for holding the work or .tion.

fabric and imparting thereto the aforesaid movements from the needle-arm or other suitable part of a sewing-machine for altering the lengths of such movements, and for adapting the attachment for convenient use in connection with solnewhatdifferent sewing-machines.

In the accompanying drawings, Figure l is an incomplete plan ot a button-hole attachment which embodies one form of my inven- Fig. 2 is a partial horizontal section at about the line 2 z in Fig. 5, and plan of parts below that section; and Fig. 3 is a similar view of a modified portion of a like attachment. Fig. 4 is a plan of a part of the under side of the same attachment. Fig. 5 is an elevation viewed in the direction pointed by the arrow z in Figs. 1, 8, and 10. Fig. 6 shows some parts in elevation and partial vertical sections at about thelines y y and y y in Figs. 1, 2,

. and 4; and Fig. 7 shows a similar section and elevation of a modified portion. Fig. 8 is an elevation seen in the direction indicated by the arrow 1 in Figs. 1 and 5. Fig. 9 presents some parts in elevation, and a partial section at about the line 00 00 in Figs. 1, 2, and 6. Fig. 10 is a partial section at aboutthe line 20 w in the direction pointed by the arrow 00 in Figs. 1 and 5. Fig. 11 is a partial section and elevation of some parts at about the line 1; v in Figs. 1, 2, and 5.

Like letters refer to similar parts in the several "iews, and the directions in which some of the parts move are indicated by adjacent arrows.

A is a plate for supporting the work or tabric to be stitched, and having anarrow oblong. opening, a, for the sewing-machine needle and its thread to work through.

B is a feed-foot, of oblong skeleton form, adapted to be held and pressed upon, and thereby engaged with the work or fabric Z, Figs. 6 and 7, around the button-hole to be stitched.

In order to make the plate A and foot B capable of accurately presenting the work for the action of the sewing devices, so as to produce a row of zigzag or overedge stitches without having the work -supporting plate move in the lengthwise direction of such row of stitches, and without having through the work-supporting plate a needle-aperture as long and wide as such row of stitches, and without having the work or fabric slide to or fro at each stitch on the supporting-plate in directions transverse to such row of stitches, I arrange the foot B transversely to the slot a in the plate A, and combine with that foot and plate mechanism for imparting to that plate and foot simultaneous and equal short intermittent reciprocating movements in directions transverse to the lengthwise direction of the feed-foot, to thereby reciprocate the fabric to 'form the overedge stitches, and for giving to the feed-foot B a step-by-step movement in its lengthwise direction, to thereby move the work in that direction upon and along the plate A to space such stitches and form them in a row.

To make the plate A and foot B capable of presenting the work to the stitching devices to Fig. l, and elevation of some parts viewed inv produce equal rows of overedge stitches in opposite directions, I combine with that plate and foot mechanism for imparting to said foot and plate simultaneous and equal intermitting short reciprocating movements transverse to the lengthwise direction of the feed-foot, and for giving to the foot 13 a series of step-by-step lengthwise movements along the plate A, first a certain distance in one direction, and next an equal distance in the opposite direction.

With the plate A, foot B, and mechanism for moving the foot step by step lengthwise along the plate equal distances in opposite directions, I combine means for moving that plate and foot simultaneously and equally step by step transversely to the lengthwise direction of the feed-foot in one direction at one end part of said lengthwise movement of the feedioot and in the opposite direction at the other end part of its said lengthwise movement, to thereby cause a row of plain stitches to be made first along one side and across one end of a button-hole, and next along the other side and across the other end thereof, as may be required, a l at one continuous progressive operation.

In order to make the work-supporting plate -A and feed-foot B, arranged transversely to the needle-slot a in the plate, capable of moving the work to produce a row of zigzag or overedge stitches all around a button-hole at one continuous progressive operation, 1 combine with said foot and plate mechanism for intermittingly reciprocatingthat plate and foot simultaneously and equally in a direction transverse towthe lengthwise direction of the feed-foot for moving the feed-i'ootstep by step in its lengthwise direction equal distances to and fro along the work-sumiorting plate, and for moving the work-supporting plate and feed-foot simultaneously and equally step by step transversely to the lengthwise direction "of the feed-foot in one'direction at one end part of said lengthwise movement of the feed foot and in the opposite direction at the other end part of its said lengthwise movement.

As a commonly preferred meansfor effecting all the aforesaid movements of the work-supporting plate A and feed-foot B, the latter is mounted on or secured to a slide, 0, that is movable to and fro in a direction parallel, or nearly so, to the lengthwise direction of the feed-foot, and in or on a slide, D, which is movable transversely to and carries the slide C. The plate A is secured to and carried by the slide D with the needle-slot a parallel or nearly parallel to that slide, which is mounted in or on and carried by a slide, E, that is movable to and fro parallel with the slide D, and is supported by a bed, F, that is adapted to be fastened to the bed-plateor frame of a sewingmachine.

I combine mechanical devices with the slides O, D, and E for imparting from a sewing-machine short intermittent reciprocating movements to the slide E, step'by-step lengthwise movements of equal distances to and fro to the slide 0, and step-by-step movements to the slide D in one direction at one end part of said to and fro lengthwise movements of the slide 0, and in the opposite direction at the other end part of its said lengthwise movement.

United States Patent No. 203,287 describes abutton-hole attachment in which the work holder is secured to and carried by a feed-slide which is carried by a change-slide that is carried by a main reciprocating slide; and those slides correspond with and have movements similar to the slides G, D, and E of my present attachment; but that previous attachment did not have a work-supporting plate secured to the change-slide. I

To better adapt the attachment to be actuated by the vibrating needle-arm of a sewingmachine, I provide means for imparting all the movements to the feed foot or work-feeder B and to the slides O, D, and E from one and the same shaft, P, which is rotated step by step by means of a ratchet-wheel, Q, mounted thereon, and is suitably connected to said slides, substantially as herein set forth. Lengthwise to-and-fro movements are imparted to the slide 0 and its feed-foot or work-feeder B by steps of equal length from a heart-shaped cam, H, on a vertical shaft, G, mouhted on the part E and rotated by steps of equal length, whetherthe work-supporting plate shall be carried by slide D or shall he stationary,as at F in Fig. 7.

For im parting from the shaft G to the changeslide D step-by-step movements transverse to the lengthwise direction of the slide 0 and its feedfoot B in one direction at one end part of the lengthwise to-and-fro movement of the latter slide and in the opposite direction at the other end part of its said lengthwise movement, the cam 1, Figs. 4: and 11, is fast on the shaft G, and engages with a lever, 1', having a fulcrum, 1, on the slide E and connected by a pivot, b, to the slide 1); and for altering and regulating the lengthsofsuch to-and-fro movements of the change-slide, I make the fulcrum 1 adjustable along the lever I by a screwclamp, b, Fig. 11, or by other suitable known device, which may be like that described in aforesaid patent for altering the lengths of the movements given by the crank-shaft to the change-slide.

The slide E has a lower plate, 0, and an upper plate, 6, firmly secured together by studs 0, for convenience in mounting thereon the shaft Gr and devices by which motion is imparted to the slide 0 from that shaft. The slide 0 fits in guides c 0, Figs. 2, 6, 9, fast on the slide D, of which parts fit in a case, d, Figs. 2, 6, and 11, and on ways (1 61, Figs. 4 and 6, fast on the slide E, of which parts fit on waysff and ff, Figs. 4, 6, 9, and 10, fast on the base F of the attachment.

J is a slide fitting in ways 6 c Figs. 1 and. 6, on the upper plate, 0, of the slide E,and parallel to the ways a c for the slide 0, and having a self-adjusting connection with slide O by a stud, g, Figs. 2, 6, 9, 11, secured to the slide J and fitting between guides g g on the slide 0; or the stud g can be on the slide 0 and the guides g g on the slide J, so that the slide 0 shall move lengthwise with the slide J, wherever the slide (J shall be placed by the slide D. The slide J, Fig. 1, has a toothed rack, h, engaging with a corresponding toothed are, i, on a lever, K, that is pivoted at t" to the plate 6 of slide E, and has an intermediate fulcrum. K, Figs. b and 11, connecting said lever with a slide, L, which is secured by guides on the slide E to move parallel to the slide J, and is connected by followersj with the cam H, so that by rotating that eam certain equal lengths of lengthwise to-and-fro movements will be imparted to the slide 0 and its feedfoot B from the cam H through the slide L, lever K, and slide J. For altering the lengths of such equal lengthwise to-and-fro movements of the feed-slide, I make the fulcrum K adjustable along the lever K by any suitable means, or by having in the lever a lengthwise slot,j, Fig. 1, and in the slide L a transverse slot, 3' and the fulcrum K fit in those slots and adjustable along the same by means of a screwclamp,j Figs-6 and 11, that can be fastened to the slide L in various positions along its slotj' I fasten upon the upper end part of the shaft Gr any suitable projecting crank, handle, or knob, G, for convenient use in rotating that shaft by hand, and thereby imparting through the above-specified devices lengthwise to-and-fro movements to the feed slide 0, and to the slide D movements transverse to the feed-slide in opposite directions at the two end partsof said lengthwise movements of the latter slide.

For rotating the cam-shaft G step by step, I fasten upon that shaft a ratchet-wheel, M, Figs. 2 and 3, in the form of a true circle with uniform teeth all around, and combine there- 'with a lever, N, having a certain limited vibrating movement on or about the shaft G, and carrying a driving-pawl, N, arranged to engage with the teeth of said ratchet-wheel, or, preferably, two driving-pawls, N and N arranged so as to be capable of alternately engaging with the teeth of said ratchet-wheel, as shown in Figs. 2 and 3.

To prevent backward movements of the ratchet-wheel M and shaft G, a friction-brake, k, Figs. 2 and 3, is pivoted by a stud, 0 on the slide E and pressed by a spring, it, against the ratchet-wheel.

For vibrating the pawl-carrying lever N by reason of the reciprocating movements of the slide E, carrying that lever and shaft G, I eonnect the lever N, by a link, I, or equivalent means, to the fixed base F, either directly or preferably through a lever, 0, connected by a pivot, l, to the slide E, and having a fulcrum, O, on said fixed base.

For altering the length of the movements of the pawl-lever N, and thereby changing the length of the rotary steps of the ratchet-wheel M and cam H, to regulate the number of stitches in a row from one end to the other of a button-hole, whatever shall be the length of the oscillating movements of the driving-lever, I make the fulcrum 0, Figs. 1, 2, 3, and 10, adjustable along the lever O by having in that lever a lengthwise slot, m, and in the base F ways or guides in, in which the stock of the fulcrum O fits, and a screw, 0 adapted to be turned by hand without endwise movement of the screw in a fixed bearing, l', on the base and through a screw-nut in the stock of the fulcrum.

In the modification represented in Fig.3 the slot at in the lever O is shown gradually enlarged toward one end and wider than the-fulcrum 0, so that by adjusting the fulcrum in and along that wider portion of the slotthe lever 0 will have avariable short lateral movement to and fro with the part E, link Z, and lever N before striking against and turning about the fulcrum 0, and can be thereby caused to impart various desirable shorter vibrative movements to the pawl-carrying lever N than I if the slot on were of the same width throughout and the fulcrum O constantly fitted closely in the slot.

By the combination of the feed'slide O, shaft G, means for imparting from said shaft to-andfro lengthwise movements tothe feed slide, ratchet-wheel M on shaft Gr, lever N, drivingpawls N and N mounted on said lever and arranged so as to be capable of being alternately engaged with the teeth of the ratchetwheel, as shown in Figs. 2 and 3, and adjusting devices for imparting various lengths of uniform vibrating movements to the pawl-carrying lever N, all substantially as above described, and shown by the accompanying drawings, the feed-slide O can be thereby moved lengthwise by twice as many different lengths of uniform steps, and is thus made capable of producing twice as many variations in the uniform spacing of the stitches as is possible when only one driving-pawl is carried by the lever N to engage with said ratchet-wheel.

in order to so actuate the feed-slide O as to insure the properlocation of the stitches at the ends of a button-hole, even when there shall be a little lost motion atthe ends of the to-andfro lengthwise movements of the feedslide 0 in the devices by which such move-- ments are imparted from the heart-shaped cam H to that slide,I combine with the means for completely and repeatedly rotating that cam by steps of equal lengths in circumferential degrees, and for-imparting to-and-fro movements to the slide 0 from that cam, means for imparting to the heart-shaped cam H additional or longer steps only while the pointed and recessed parts of the periphery of that cam are acting to reverse thelengthwisc movements of that slide. For,this purpose teeth or projections n a, Figs. 2, 3, and 10, are secured at two diametrically-opposite points on the shaft of the cam H, and a pawl, 0, is pivoted at n to the stationary part F, and so arranged that in the rotation of the cam fl and parts a n together, and in their to-and-t'i o IIO movements with and by the part E, the pawl cally with the shaft I, and is furnished with a 0 shall engage with the parts n, and thereby impart additional or longer steps to the heartshaped cam H, while the pointed and recessed parts only of that cam are acting to reverse the lengthwise movements of slide 0 through the intermediate connections.

For imparting the proper reciprocating movement to the slide E from a horizontal shaft, P, adapted to be rotated in a fixed support, F, on the base, I arrange and fasten on that shaft a can], Q, Figs. 1, 2, 10, composed of an even number of equal zigzag inclines, p p, and intermediate rests, 19 12 and combine with that cam, slide E, and base F the lever B, which is connected at one end by a pivot, q, Fig. 10, to the slide E, and has at the other end a follower, q, engaging with the cam Q, and is furnished with an intermediate fulcrum, It, on the base. The slide E is shown at one end of its reciprocating movement in Figs. 1, 4, 5, and 6 and at the other end of such movement in Figs. 2 and 3.

Upon inspecting Fig. 2 it will be evident that by merely disconnecting the end of the lever 0 at l from the part E, pivoting the same end of that lever to the lever It at q, and having the lever 0 connected by the link I to the lever N, as indicated by dotted lines a u in Fig. 2, the lever 0 will then be vibrated about its fulcrum O, and will impart motion by the link I to the lever N the same as when the lever O is pivoted at l to the part E, and that by merely disconnecting the levers 0 and R from the part E, pivoting the lever 0 to the lever B at q, and fastening the part E firmly to the base F the mechanism will be in proper condition for use in feeding button-holes to a sewing machine which produces overedge stitches by reason of lateral to-and-fro movements of its needle.

For convenient use in altering the length of the uniform reciprocating or vibrating movements imparted from the cam Q through the lever B to the slide E or lever 0, even while the lever B is being oscillated, I make the fulcrum R adjustable along the lever by having in that lever a lengthwise slot, 1', Figs. 1, 2, and 10, in which the fulcrum fits, and having in the base F corresponding ways, 1', in and along which the stock 1' of the fulcrum is fit-v ted to slide, and a screw, R adapted to be turned by hand and held by a fixed bearing,

' W, on the base F, and fitting in afemale screw in the fulcrum'stock 1' For imparting to the cam Q intermitting rotary motion by steps equal in degrees of circumferential length to the circumferential distance in degrees between the middle points in two next adjacent rest-places, p p fln said cam, I pivot a suitable vibrative lever, S, Figs. 8 and 9, between its ends, to the fixed standard F, and form that lever with a toothed are, 8, concentric with the pivot s of the lever and engaging with a corresponding toothed are, 8 on an arm or lever P, which is pivoted concentrically to its arc s and on or concentridriving-pawl, 5 which engages with a ratchetwheel, Q, fast on the shaft of the cam Q, and having in and around its circumference the same even number of equal teeth as there are rest-places p and 113 in said cam.

For keeping the toothed arcs s and s in proper engagement, projections s, Fig. 9, can be formed at the ends of either are.

For preventing undue backward and forward movements to the cam Q, atoothed wheel, P is fast on the shaft I, and a friction-brake or spring-dog, 8 Fig. 8, is applied to that toothed whee].

For imparting from the vibrating needle-arm represented by dotted lines atYin Figs. 5, 8, 9,10 corresponding vibrating movements to the elbow-lever S in a plane perpendicular, or nearly so, to the plane of vibration of said needle-arm, I combine with the lever S a pitman, T, and a clasp, T, furnished with a clamp-screw, t, and conformed to the needle-arm and adapted to be fastened on and removed from the latter, and connect the pitman T at one end with the lexer S by a joint composed of a ball, t, Fig. 10, and corresponding socket, t and connect the other end of the same pitman to the clasp T by a ball, t and corresponding socket, 15, all constructed and arranged to operate substantially as represented in the drawings. I do not, however, herein claim as new the combination, with a driving-pitman, in a workfeeding attachment, of a clasp adapted to be secured to the vibrating needle-arm, an elbowlever, and universal joints connecting the pitman with the lever and clasp, nor any portion of such combination.

For use in preventing the strain upon the lever S by the needle-arm Y from lifting and displacing the attachment when arranged for use on the bed Y, Fig. 6,0f a sewing-machine, 1 mount on a pivot, u, Fig. 10, on the standard F an elbow-brace, U, having in one or either end an adjusting-screw, a and so arranged that while one end of the brace U or itsscrew in that end shall bear against the standard F the other end of the same elbowbrace or the screw in that end can be adjusted and pressed firmly against the under side of the usual stationary overhanging arm, Y, of the sewing-machine, essentially as indicated in Fig. 10.

'lo permit convenientremoval of the shuttle Y Fig. 2, of a sewing-machine having the attachment applied thereto, I secure the worksupporting plate A to its supporting-arm D,

fast on the slide 1), Figs. 1,2, 5, 6, by a pivot, V, Fig. 6, and form the plate A with a somewhat elastic extension part, A, Fig. 2, and have on and in the arms D and A, respectively, a pin or projection, '0, Fig. 6, and indentation or perforation if, arranged so as to engage with each other while the plate A is in the position shown in Figs. 1 and 6, and thereby fasten the plate A to the slide D with sufficient firmness for use in stitching button-holes, and yet permit the plate A to be forcibly turned by hand about the pivot V from the position shown in Fig. l to that represented in Fig. 2, and back again.

As regards the above-described parts of the attachment represented by the aforesaid drawings, the feed-foot B can be secured to the slide 0 by any suitable known means, or by having the foot B pivoted at its ends to aforked arm, 20, Fig. 1, 2, 5, 6,7, that is swiveled to ahead,W, mounted on a plate-sprin g, X, which is fast to an arm, Figs. 5, 6, 7, that is pivoted at 10 to a part, 0, of the slide 0, and is furnished with a spring, to, for elevating the arm an d consequently the feed-foot, as shown in Fig. 8, and is provided with a cam-lever, 20 on an eccentrically-adjustable pivot-support, 10", for depressing the arm 20 various degrees, and thereby forcing the foot B down on the work Z upon the plate A in Fig. 6, or F in Fig. 7, with different degrees of pressure; but I do not herein claim that combination or parts nor any portion thereof.

To provide means whereby the feed-foot B can be easily adjusted at different distances from and parallel to the slide 0, and in proper relation to the various positions of the needle in respect to that slide in different sewing-machines to which the same attachment can be applied, Imake the end part of the plate X. with a lengthwise slot, 00*, Figs. 6 and 7, and the head W with opposite jaws m separated by a slot,into which the end part of the plate X tits, and with a clamp-screw, 00*, extending through the slot 00 so that when loosened the head W can besomewhat turned about the screw and moved along the slot into various positions on the plate X, and there fastened by said screw.

In carrying out these improvements I sometimes attach to the slide 0 a thin plate, 0 Fig. 7, having an oblong aperture, through which the button-hole work Z is pressed on the worksupporting plate by the feed-foot.

In the attachment described in the aforesaid Patent No. 203,287 the slide on whichthe work-holder was mounted was moved to and fro in the lengthwise direction of the workholder by a pitman connecting that slide with a crank on a vertical shaft, which required to be rotated by steps of increasing and decreasing length in each half part of its revolution to evenly space the stitches along the sides of the button-hole. That necessity of rotating a crank by steps of increasing and decreasing length is avoided in the above-described mechanism by having a heart-shaped cam, H, connected with the work-slide 0, so that the rotation of that cam by steps ofequal length imparts to-and-fro movements to the slide 0 and work-holder B by steps of equal length from end to end, and thereby causes the placing of the overedge stitches at equal distances apart along both sides of a button-hole from one end to the other. I am aware, however, that in button-hole-feeding mechanisms it is not absolutely new to impart to a work-holder lengthwiseto-and-fro movements from aheart-shaped cam on a vertical shaft and rotated by steps of equal length, as United States Patent No. 80,520 shows a mechanism in which the workholder is secured to a slide which receives momentary to-and'fro movements with and is carried by a slide which receives step-by-step toand-fro movements from a heart-shaped cam, but is not carried by a slide corresponding to the change-slide D herein described.

VVhatI claim as my invention in work-feeding attachments for sewing-machines is- 1. The combination, with the feed-foot B and work-supporting plate A, of mechanism for reciprocating the work-supporting plate and feed-foot equally together transversely to the lengthwise direction of the feed-foot, and for moving the feed-foot step by step in its lengthwise direction along the work-supporting plate, all substantially as described.

2. The combination, with the feed-foot B and work-supporting plate A, of mechanism for reciprocating the work-supporting plate and feed-foot equally together transversely to the lengthwise direction of the feed-foot, and for moving the feed-foot step by step equal distances in opposite directions along the work-supporting plate, all substantially as described.

3. The combination, with the feed-foot B and work-supporting plate A, of mechanism for moving the feed-foot step by step in its lengthwise direction equal distances to and fro along the work-supporting plate, and for moving the latter plate and feed-foot equally together step by step transversely to the lengthwise direction of the feed-foot in one direction atone end part of said lengthwise movement of the feed-foot and in the opposite direction at the other end part of its said lengthwise movement, all substantially as described.

a. The combination, with the feed-foot B and work-supporting plate A of mechanism for reciprocating that plate and feed -foot equally together transversely to the lengthwise direction of the feed-foot,for moving the feed-foot step by step in its lengthwise direction equal distances to and fro along the worksupporting plate, and for moving the feedfoot and work-supporting plate equally together step by step transversely to thelengthwise direction of the feed-foot in opposite directions at the two end parts ot'said lengthwise movements of the feed-foot, all substantially as described.

5. The combination, witlrthe feed-foot B, slide 0, carrying the feed-foot, and slide D, carrying slide 0, of the work-supportingplate A, secured to slide D, and mechanism for moving the slide 0 step by step lengthwise with the feed-foot and for reciprocating the slide D transversely to the lengthwise direction of the feed-foot, all substantially as described.

6. The combination, with the feed-foot B, slide 0, carrying the feed-foot,-and slideD, carrying slide 0, of the work-supporting-plate A, secured to slide 1), and mechanism for reciprocating the slide D transversely to slide 0 IIO and for moving the latter slide step by step lengthwise equal distances in opposite-directions, all substantially as described.

.7. The combination, with the feed-foot B, slide 0, carrying the feed-foot, and slide D, carrying slide 0, of the work-supporting plate A, attached to slide 1), and mechanism for moving the slide 0 lengthwise step by step equal distances to and fro and for moving the slide D step by step transversely to slide 0 in opposite directions at the two end parts of said lengthwise movements of slide 0, all substantially as described.

8. The combination, with the feed-foot B, slide 0, carrying the feed-foot, slide I), carrying slide (1, and slide E, carrying slide D, of the work-supporting plate A, fast to slide D, and mechanism for reciprocating the slide E, for moving the slide 0 lengthwise step by step equal distances to and fro, and for moving the slide D step by step transversely to slide 0 in opposite directions at the two end parts of said lengthwise movements of slide 0, all substantially as described.

9. The combination, with the feed-foot B, a ratchet-wheel, Q, and means for rotating the latter step by step, of mechanism for imparting from said ratchet-wheel to the feed-foot reciprocating movements transverse to its lengthwise direction, lengthwise to-and-fro movements, and transverse movements step by step in opposite directions at the two end parts of its said lengthwise movements, all substantially as described.

10. The combination, with the feed-slide O, slide D, carrying slide 0, slide E, carrying slide D, ratchet-wheel Q,and means for rotating the latter step by step, of mechanism for imparting from the ratchet-wheel reciprocating movements to slide E, to-and-fro lengthwise movements to slide 0, and to slide D movements transverse to slide 0 in opposite directions at the two end parts of the lengthwise movements of the latter slide, all substantially as described.

11. The combination, with the feed-slide (J, change-slide D, carrying the feed-slide, vertical shaft G, heart-shaped cam H, and cam I, of means for rotating said cams together and for imparting to-and-fro movements to slide 0 from cam H and to-and-fro movements to slide D from cam I, all substantially as set forth.

12. The combination with the feed-slide O, change-slide D, carrying the feed-slide, and means for moving the change-slide to and fro transversely to the feed-slide, substantially as described, of the slide J, means for moving that slide lengthwise to and fro parallel to the feed-slide, and a self-adjusting connection, 9 g g, by which the lengthwise movements of slide J are imparted to the feed-slide wherever the latteris placed by the change-slide, all substantially as set forth.

13. The combination, with the feed-slide G, of the toothed slide J, connected with and parallel to the feed-slide, lever K, having the toothed are 0, en gaging with the toothed slide,

slide L, connected to said lever, and means for operating the latter slide, all substantially as set forth.

14. The combination, with the feed-slide O, of the toothed slide J, connected to and movable with the feed-slide, lever K, having the toothed are c, engaging with the toothed slide, slide L, means for operating the latter, fulcrum K, and devices. for adjusting that fulcrum along the leverK and on slide L, all substantially as described.

15. The combination, with the feed-slide (l, of the slide L, meansfor imparting from thelatter slide different lengths of to-and-fro lengthwise movements to the feed-slide, heart-shaped cam H, connected with the slide L, and means for rotating said cam, all substantially as described.

16. The combination, with the feed-slide O, change-slide D, carrying the feed-slide, heart shaped cam H, and cam I, of means for rotating said cams together for imparting to-andfro movements to slide (3 from cam H and toand-fro movements to slide D from cam I, and for altering the lengths of the to-and-fro movements imparted to slide (J from cam H, all substantially as described.

17. The combination, with the feed-slide G, change-slide D, carrying the feed-slide, heartshaped cam H, and'ca-ni I, of means for rotating said cams for imparting to-and-fro movements to slide 0 from cam H and to-and-l'ro movements to slide D from cam I, and for altering the lengths of the to-and-fro, movements imparted to slide D from cam I, all substantially as described.

18. The combination, with the feed-slide C, change-slide D, heart-shaped cam H, and cam I, of means for rotating said cams together step by step for imparting to-and-fro movements to slide 0 from cam H and to-and-fro movements to slide D from cam I, for altering the lengths of the to-andfro movements imparted to slide D from cam I, and for altering the lengths of the to-and-fro movements imparted to slide (J from cam H, all substantially as described.

19. The combination, with the feed-slide C, change-slide D, carrying the feed-slide, heartshaped cam H, and cam I, of the ratchet-wheel M, lever N, having the pawl N, driving-lever I 0, connected with the lever N, and furnished with an adjustable fulcrum, O, and means for imparting to-and-fro movements to slide 0 from cam H and to-and-fro movements to slide D from cam I, all substantially as described.

20. The combination, with the feed-slide O, change-slide D, carrying the feed-slide, part E, carrying said change-slide, heart-shaped cam H, and cam I, of means for imparting momentary to-and-fro movements to the part E, step-by-step rotary motion to the two cams H and I together, to-and-fro movements to slide 0 from cam H, and to-and-fro movements to slide D from cam I, all substantially as described.

21. The combination, with the feed-slide G,

change-slide D, carrying the feed-slide, part E, carrying slide 1), and the heart-shaped cam H, cam I, ratchet-wheel M, and lever N, having the pawl N, all carried by the part E, of the lever 0, connected with the lever N, and means for imparting momentary to-and-fro movements to the parts E and O, to-and-fro movements to slide 1) from cam I, and to-andfro movements to slide (Jfrom cam H, all substantially as described.

22. The combination, with the feed-slide O, heart-sh aped cam H, and means for com plctely and repeatedly rotating that cam by steps of equal lengths, and for imparting to-and-fro lengthwise movements to the slideU from said cam, substantially as described, of means for imparting additional or longer steps to the cam H while its pointed and recessed parts only are acting to reverse the said lengthwise movements of the slide 0, substantially as set forth.

23. The combination, with the main slide E and base F, supporting that slide, of the horizontal shaft P, mounted upon the base, cam Q on said shaft, means for rotating the latter, lever B, connected at one end to the slide E and engaged at the other end with cam Q, fulcrum R on the base, and means for adj usting that fulcrum along the lever, all substantially as described. V

24. The combination, with the cam Q, horizontal shaft P, carrying said cam, and ratchetwheel Q, fast on said shaft, and having the same even number of equal teeth as there are rest-places in said cam, substantially as set forth, of the lever S, adapted to be vibrated on a horizontal axis, and having the toothed arc s, and lever P, having the toothed arc s engaged with the are 8, and the pawl 8 applied to ratchet-wheel Q, all substantially as described.

25. The combination, with the connectedv pawl-carrying lever P and elbow-lever S, of the pitman T, clasp T, adapted to be secured upon the needle-arm of a sewing-machine, and universal joints t t and t t, connecting the pitman with said clasp and elbow-lever, all substantially as described.

26. The combination, with the base F, adapted to fit upon the bed of a sewing-machine, and the standard F on said base, of the elbowbrace U, pivoted between its ends to the standard, and having at one end an adj usting-screw, a and adapted to have one arm bear against the standard and the other adjusted against the under side of the fixed overhanging arm of the sewing-machine, all substantially as described.

27. The combination, with the work-supporting plate A and arm Dl, carrying that plate, of the pivot V, connecting the plate and arm, and a yielding fastening device, substantially as described, for holding said plate in proper working position on the arm and permitting the plate to be turned by hand to one side about said pivot, as set forth.

28. The combination, with the feed-slide (J, projecting plate X mounted on that slide, head. W, and feed-foot B,carried thereby, of adj ustin g devices, substantially as described, for fastening the part W in different positions on said plate, and thereby adjusting the feed-foot at different distances from the feed-slide and parallel thereto, as set forth.

In testimony whereofI hereunto set my hand, in the presence of two subscribing witnesses, this 5th day of January, 1881.

JOSEPH P. HALLENBEOK.

Witnesses:

JOHN J. SHAW, RICHARD E. BREWSTER.

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