US1274162A - Sewing-machine. - Google Patents

Description

J. J. HEAP.

SEWING MACHINE.

APPLICATION FILED JUNE 9. IBM.

1 ,274, 1 62. Patented July 30, 1918.

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v SEWING MACHINE. APPLICATION FILED wuss. I914.

Patented July 30, 1918.

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SEWING'MACHINE.

APPLICATION man Junie, 1914.

1 ,274, 1 62. Patented July 30, 1918.-

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Smoemtoz a Home 5 UNITED STATES PATENT OFFICE.

JESSE T. HEAP, OF NEW YORK, N. Y., ASSIGNOR UNION SPECIAL MACHINE COMPANY, OF CHICAGO, ILLINOIS ,'A CORPORATION OF ILLINOIS.

SEWING-MACHINE.

Specification of Letters Iatent.

Application flled lune 9, 1914. Serial No. 843,960.

To all whom it may concern:

Be it known that I, Jnssn J. HEAP, a citizen of the United States, residing at New York, in the county of New York, State of New York, have invented certain new and useful Improvements in Sewing-Machines, of which the following is a description, reference being had to the accompanying drawmg and to the, figures of reference marked thereon.

The invention relates to new and useful improvements in sewing machines and more especially to means for stitching an insertion or other strip between two edges of fabric.

An object of the invention is to provide a sewing machine having spaced needles with means for guiding the edges of a fabric and an insertion so that it will be simultaneously joined to the edges of the fabric. A further object of the invention is to provide .a machine of the above character with devices whereby an insertion of greater width than the distance between the needles of the sewing machine may be stitched to spaced edges of a fabric.

I provide means for turning the edges of the A further object of the invention is to fabric prior to the stitching of the same to the insertion.

These and other objects will in part be obvious and will in part be hereinafter more fully discussed.

In the drawings: in

Figure 1 is a front view of a portion of a sewing machine having my improved guidin devices attached thereto.

ig. 2 is a plan view of the same.

Fig. 3 is a longitudinal sectional view centrally through the guiding device.-

Fig. 4 is a transverse sectional view on the line 4-4 of Fig. 2.

Fig. 5 is a sectional view on the hue .5--5 of Fig. 3. 0

Fig. 6 is a detail in perspect ve showing the take up rib for the insertion, the adjusting screw being detached from the block supporting the rib.

Fig. 7 is a longitudinal sectional view of the guiding device for theansertion Fig. 8 is a detail in sect1on show1ng the position of the insertion as it is stitched to the fabric.

Fig. 9 is a sectional view showing the insertion flattened out, or the finished article in normal position.

Fig. 10 is a plan view of the same.

Fig. 11 is a detail in side elevation showing a modified form of device wherein the insertion guide is supported by the overhanging arm of the sewing machine.

Fig. 12 is a front view of the same.

Fig. 13 is a sectional view on the line 13--13 of Fig. 11. 4

Fig. 14 is a longitudinal sectional view through the insertion guide.

Fig. 15 is a perspective view of the insertion guide.

Fig. 16 is a detail in section showing the insertion as it is stitched .to the edges of the fabric.

Fig. 17 is a sectional view showing the insertion folded out or the fabric in normal position.

Fig. 18 is a plan view of the same.

Fig. 19 is a detail in transverse'section, showing the relation of the presser foot to the fabric being stitched.

The invention consists, generally, in providing a sewing machine having spaced needles with means for guidingthe edges of two pieces of fabric so that said edges are spaced from .each other and are fed to the respective needles. This guiding means for the edges of the fabric may be so constructed as to fold the edge or orm a small hem thereon and the needles pass throu h the folded edges of the respective abrics. There is also provided a guiding device for an insertion which in one for1n,of the invention guides the insertion above the edges of the fabrics so that the outer side edges form a bend in the insertion longitudinally thereof so that the side edges of the insertion may be brought closer together during the stitching of the same to the fabric. This permits of an insertion which is considerably wider than the distance between theneedles being stitched to the spaced edges of the fabric. By adjusting the position of this rib, insertions of different widths may be accommodated.

Patented July 30, 1918.

' support 1 having the usual depending apron 2 and an overhanging arm which supports a needle head 3. The needle bar 4 reciprocates in this needle head and carries two needles 5 and 6. A 'presser bar 7 is also mounted in the overhanging arm and carries a presserfoot 8. The; shank 9 of "the presser foot is fixed to the presser bar and the foot portion proper ispivoted to the shank by a pivot pin 10. Said foot portion has two spaced lugs 11, 11 between which the shank 9 of the presser foot is located. The presser foot proper is formed with two shoes '12 and 13 which are spaced so as to form a groove 14 extending from front to rear of the same. Each shoe is provided with a needle hole 15.

For guiding the fabrics to the needles, I have provided two fabric guides 16 and 17. These fabric guides are similar in construction and each consists of a supporting bracket 18 which is fixed to the work support by a screw 19. Each folder also comprises a raised fabric supporting plate 20 and an edge folder 21, see Fig. 4. This plate and edge folder are so constructed that the fabric led through the folder will have its edge turned underneath forming a small hem. In Figs. 8, 9 and 10, I have shown two strips of fabric F and F in which the edges f, f are folded, as above noted. These folders are positioned in advance of the needles 5 and 6 and the folder 16 is so positioned as to direct the hem turned on the fabric guided thereby so that the needle 6 will pass through said hem. The folder 17 is so positioned as to guide the fabric carried thereby to the needle 5 in a similar manner. These folders are spaced above the work support, as clearly shown in Figs. 1 and4. The insertion guide 22 extends underneath the adjacent edges of the folders to a point adjacent the delivery ends thereof. This insertion guide consists of a supporting plate 23 which isrigidly attached to a supporting shank 24. This supporting shank is secured by screws 25, 25 to a bracket 26. The bracket 26 is formed with a slot 27 through which a screw 28 passes and secures the bracket to the depending apron 2 of the work support. The apron and the work support is cut away so as to form a recess or space for the insertion guide. The plate 23 has its edges turned up as at 29 and a bridge plate 30 is secured to the edges, which bridge plate is spaced from the plate 23 so as to form a guiding recess 31 for the insertion. The plate 23 is tapered, as indicated at 32 in Fi 2 of the drawings. This tapered section 18 in front of the folders 16 and 17. The rest of the insertion guide is straight, as

section of the insertion guide.

shown in this figure. The bottom plate is formed with a slot 33 which extends from a point adjacent the forward end of the insertion guide to a point adjacent the delivery end thereof, see Fig. through this slot is a rib 34. This rib has its front end inclined upwardly, as at 35, while the remainder of the upper edge .of the rib is substantially horizontal. The inclined portion 35 is located in the tapered the bridge plate 30 are two spring fingers 36 and 37. These spring fingers conform 3. Passing- Secured to to the spaces between the central rib and the turned up edges 29 of the supporting plate 23. The insertion is passed through the guiding slot 31 and this insertion is led between the supporting plate 23 and the fingers 36 and 37 As soon as the end of the insertion reaches the incline 35 the insertion will be gradually bent between its edges and the side edges drawn toward each other, v

corresponding to the tapered section 32 of the guide. In Fig. 8, the insertion is indicated at S, and the bent up portion is indicated at s. the insertion passes through this guide, there will be a bent up or folded portion as it passes the guide and the side edges will have been drawn toward each other. This bent up portion of the insertion passes through the space 14 between the shoes 12 and 13 of the presser foot.

The bending rib 34 is carried by a block 38 which slides in the shank 24 supporting the plate 23. The shank is cut away-to It will thus be seen that as.

form a slideway for this block 38. A screw 39 is threaded into the bloc-k and this screw is formed with a collar 40 which is spaced from the head 41 of the screw so as to form a groove or recess for a projecting portion 42 of the shank which holds the screw 39 from endwis'e movement. By rotating this screw, therefore, the rib 34 may be raised and lowered. VVhenit is raised a greater portion of the insertion will be taken up between its side edges, and when it is lowered a lesser portion thereof will be taken up. By adjusting this rib insertions of varying widths within certain limits maybe accommodated.

From the above, it will be apparent that the insertion passing through the insertion guide will be led underneath the folded edges of the fabrics F, F, and will be stitched thereto, and the width of the insertion may be considerably greater than the In Figs. 11 to 18, inclusive, I have shown a slightly modified form of the invention p as to be stitched-to upper faces of two" wherein the insertion is stitched to the u per faces of the fabrics. In this form of t e invention the presser foot, the needle mechanisni, and the foldersare precisely the same as above described, although the folders may be placed closer to the work support, if desired as the insertion guide is aboye the folders. similar in construction to the insertion guide above described, although the manner of supporting the same and the manner of adjusting the crimping rib is somewhat different. Said insertion guide consists of a supporting plate 44 which is attached to a shank 45. The shank 45 has a bridge 46 spaced from the plate 44 so as to form a guiding recess 47 for the insertion indicated at S, Fig. 14. The bridge portion 46 is clamped by suitable screws to an arm 48,

which in turn is secured to an arm 49 which is pivoted at 50 to a bracket 51 on the overhanging arm, and this bracket is secured to the overhanging arm by suitable screws 52. This bracket carries an adjustable stop 53 against which the arm 49 rests when said insertion guide is in normal position for guiding the insertion. This guide may be readily swung away from the stitching mechanism to give access thereto for the purpose of threading the needles.

The bridge portion 46 has-forwardly projecting fingers 54 which extend the length of the gui e and are adapted to yieldingly engage the upper face "of. the insertion. These fingers are spaced so as to form a slot The bending rib 56 extends upwardly through said slot. Said rib has an inclined upper edge, 57 which \gradually folds or bends the insertion. shown, is carried by a shank 58 which is pivotedat 59 to the supporting shank 45 of the insertion guide proper. The plate 44 is slotted at 60 to permit this rib extending through the same. The rib for the greater portion of its length is above the plate 44. The extreme outer end of the rib has, a downwardly projecting portion 61 which engages a slot in the plate 44 to guide the rib and prevent the same from sidewise movement. The shank 58 extends to the rear-of the pivot 59 and engages in a groove formed between the head 62 and a collar 63 of a screw 64. By turning the screw 64, the rib is raised and lowered, and thus the amount of insertion taken up is varied In Fig. 16, I have shown the position of the insertion S as it is being stitched to the fabrics F, F. In Figs. 17 and 18, the insertion S is fiattened out into normal position.

From the above description, it will be apparent that an insertion may be guided so spaced edges of fabric tnd that the width of the insertion may beconsiderably greater than the dlstance between the needles secur- The insertion guide indicated at 43 1s This rib, ashereining said insertion to the fabrics. It will also be apparent that the guide may be adjusted for varying widths of insert-ion with out adjusting the distance between the needles.

While I have referred to the guide as an insertion guide, it will beunderstood that I have used this term in the broad sense and that said guide may be used to guide any character of insertion, whether a lace insertion or a plain strip of fabric. It will also be obvious that minor changes in the details of construction and the arrangement of parts may be made without departing from the spirit of the invention as set forth in the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. The combination with stitch forming mechanism including spaced needles, and means for guiding the edges of two fabrics to said needles with a space between the edges, of an insertion guide including a sup porting plate, spaced guiding devices for holding the insertion on said plate, and an independent rib'extending between said devices and above the same for folding and bending the insertion longitudinally between its side edges.

dependent rib extending through said slot L and between said fingers and above the same for folding or bending the insertion longitudinally between its side edges;

3. The combination with stitching mecha nism, including spaced needles, and means for guiding the edges of two fabrics to said needles with a space between the edges, of an insertion guide including a supporting plate, guiding fingers for holding the insertion on said plate, said plate having a slot extending longitudinally thereof, and said fingers being spaced from each other, a rib extend ing through said slotand between said fingers and above the same for folding or bending the insertion longitudinally between its side edges, and means for adjusting said rib and holding the same in adjusted position. Y

4. The combination with stitching mechanism including'spaced needles, and means for guiding the edges of two fabrics to said need es with a space between the edges, of an insertion guide including a supporting plate having a tapered section intermediate its ends, abridge portion spanning the receiving end of the guide, fiat yielding fingers between the fingers and having an inclinededge for gradually folding or bending the insertion between its side edges as it passes through the guide.

The combination with stitching mechanism including spaced needles, and means for guiding the edges of two fabrics to said needles with a space between the edges, of an insertion guide including a supporting plate having a tapered section intermediate its ends, a bridge portion spanning the receiving end of the guide, flat yielding fingers carried by said bridge portion and adapted to hold the insertion on said plate, said flat fingers being spaced from each other, a folding rib extending through the space between i the fingers and having an inclined edge for gradually folding or bending the insertion between its side edges as it passes through the guide, a presser foot cooperating with the stitching mechanism and having spaced shoes forming a slot through which the bent or folded portion of the insertion passes during the stitching of the insertion to the edges of the fabric.

6. The combination with stitching mechanism including spaced needles, and'means for guiding the edges of two fabrics to said needles with a space between the edges, of

an insertion guide including a supporting plate having a tapered section intermediate its ends, abridge portion spanning the receiving end of the guide, flat yielding fingers carried by said bridge portion and adapted to hold the insertion on said plate, said fiatfingers being spaced from each other, a folding rib extending through the space between the fingers and having an inclined edge for gradually folding or bending the insertion between its side edges as it passes through the guide, and means carried by. the insertion guide for adjustin said rib and holding the same in adjuste position.

7. The combination with stitch forming mechanism, including spaced needles, means for guiding the edges of two fabrics to said needles with a space between the edges, of an insertion guide including a supporting plate, a bridging portion spanning the receiving end of the guide, fiat yielding fingerslcarried by said bridging portion and adapted to hold the insertion on said plate, said flat fingers being spaced from each other and a folding 'rib extending through the space between the fingers and having an inclined edge for gradually folding or bending the insertion between its side edges as it passes through the guide.

8. The combination of stitch forming mechanism, including spaced needles and means for guiding the edges of two fabrics to said needles with a space between the edges, of an insertion guide including a supporting plate having a tapered section intermediate its ends, fiat yielding fingers adapted to hold the insertion on said supporting clined edge for gradually folding or bend-' ing theiinsertion between its side edges as it passes through the guide.

'9. The combination of stitch forming mechanism, including spaced needles and means for guiding the edges of two fabrics to two needles with a space between the edges, of an insertion guide including a supporting plate, devices for holding the insertion on said plate. said plate having a slot extending longitudinally thereof, a folding rib pivotally supported at a point below the supporting plate and extending through said slot above the holding devices for folding and bending the insertion longitudinally between its side edges and means for adjusting said rib on said pivotal support and

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