Sept. 24,1946. 0. w. MARTIN. 2,408,025 “ SEWING MACHINE ATTACHMENT Filed June '7, 1944 CLES 2 Sheet>s—Sheet l ', MARTW. Attorneys Sept. 24, 1946. . c, w. MARTIN‘ 2,408,025 '‘ ‘SEWING MACHINE ATTACHMENT Filed June 7, 1944 - 2 Sheets-Sheet 2 an.»R, Inventor 2,408,025 Patented Sept. 24, 1946 UNITED STATES PATENT OFFICE 2,408,025 SEWING MACHINE ATTACHMENT Charles W. Martin, Chattanooga, Tenn. Application June 7, 1944, Serial No. 539,099 6 Claims. (Cl. 112-447) 2 1 This invention relates to a sewing machine at tachment of that type designed to fold a strip of cloth preparatory to stitching the same to the edge of a garment in the production of collars, cuffs, waistbands, facings and the like. The primary object of the present invention is to provide a sewing machine attachment of Figure 2 is a top plan view of the attachment, per se. Figure 3 is an elevation looking upwardly at Figure 2. Figure 4 is any end elevation looking toward the right of Figure 3, and Figure 5 is an end elevation looking ‘toward the left of Figure 3. , ' ‘ the above kind which is extremely simple and Referring in detail to the ‘drawings, Figure 1 durable in construction, e?icient in operation, and otherwise well adapted to meet with the. re 10 shows a power sewing machine 5 having a nee quirements for a successful commercial use. dle 6 and a presser foot 1. Threads are suitably fed in the machine for the stitching operation Another object of the present inveniton is to in any well known or preferred manner. In provide an attachment of the above kind which using the present invention, a suitable support is readily adjustable for folding strips of material of different widths, and which is readily adjust 15 8 may be provided for a reel 9 on which is wound a strip of material It that is adapted to be fold able relative to the sewing machine for operat~ ed by the, present attachment preparatory to its ing most e?iciently in accordance with the par~ attachment to the edge of a garment. Also, ticular work at hand. another suitable support H may be provided for Another object of the present invention is to a second reel i2 on which is wound a narrower provide an attachment of the above kind which strip of material or cloth I3 that may be guided includes means for guiding a reinforcing strip by the present attachment between the opposed between the opposed portions of another wider portions of the strip it where the‘latter is folded strip folded by the attachment, which reinforc by the present attachment, so as to serve as a ing strip guiding means is adjustable for accom ‘ modating reinforcing strips of various widths cor 25 reinforcement for the folded strip I ll. The present attachment consists of asupport responding to the width of the strip being folded. including a U-shaped bracket ‘M having an elon A further object of the present invention is gated intermediate portion and relatively short to provide an attachment of the above kind which end or legportions, one of said leg portions being may be readily moved to inoperative position when not required for use, which may be read 30 provided, with an extension I5 parallellwith the intermediate portion of the bracket and aper ily attached to the sewing machine, and which tured at 16 for the reception of screws l‘! by includes a supporting means and strip guiding means of which the bracket I4 is rigidly attached and folding means which are readily separable to the front of the sewing machine 5 so that so that the latter may be removed when not vre 35 the bracket 14 is disposed horizontally and ter quired for use. minates adjacent but to one side of the needle Still another object of the present invention 6 and the presser foot ‘I, as shown in Figure 1. is to provide an attachment of the above kind The support further includes a pair of spaced which includes an adjustable device for prop posts l3 whose lower ends are welded ‘or other erly guiding the folded strip underneath the wise suitably attached to the inner faces of the‘ presser foot of the sewing machine in position ' legs of bracket 14 and which project upwardly to be stitched to the edge of the garment. from the latter._ The upper projecting portions Other objects and features of the present in of the posts I8 are provided with aligned open vention will become apparentfrom the follow ings which slidably receive a supporting rod is, ing description when considered in_ connection and threaded through the upper ends of the posts with the accompanying drawings, and the in 58 are set screws 28 adapted to impinge the rod vention consists in the novel form, combination lg to releasably secure the latter in longitudi and arrangement of parts hereinafter more. fully nally‘ adjusted position relative to the posts It. described, shown in the drawings and claimed. The end of the rod i9 adjacent the needle 5 and In the drawings, wherein like reference char acters indicate corresponding parts throughout presser foot 1 projects from the adjacent post the several views: id toward said needle and presser foot and is received within an opening provided in one end of a cross bar Zlthat projects forwardly from Figure 1 is a front elevational View of a power sewing machine equipped with an attachment constructed in accordance with the present in vention. the rod IS. A set screw 22 is threaded through the bar 2| in position to impinge the projecting 2,408,025 3 4 end of rod I9 so as to adjustably and detachably secure the cross bar 2| to said rod IS. 3| may be shifted rearwardly and upwardly or downwardly to a desired elevation for properly The forwardly projecting end portion of cross directing the folded strip Ill to and under the bar 2| is provided with a pair of spaced horizontal presser foot 1. » parallel openings which receive the elongated leg Cl When the sewing machine is in use, the reels portions of a U-shaped folding element or rod 23. 9 and I2 carrying the strips of fabric l0 and I3 are rotatably mounted as shown in Figure l Set screws 24 are threaded through the bar 2| in position to impinge the legs, of the folding and the strips drawn from the reels. The strip element 23 so as to adjustably secure the latter I0 is folded and passed downwardly through the relative to the bar 2|. A third opening is pro 10 U-shaped folder 23 and ?ts about the slotted end portion of the guide bar 25. The strip I3 is vided in the forward end portion of bar 2| inter passed downwardly through the slot 26 of the mediate the openings which receive the legs of guide bar and will thus be disposed between the folder 23, and slidable in this third opening is a guide rod 25 having an end portion pro folds of the strip l0 and serve as a reinforcement jecting between the inner portions of the legs 15 for the folded strip. After passing downwardly of folder 23 and provided with a longitudinal through the folder and the guide bar or rod,‘ . the interleaved strips are extended toward and slot, as at 26. Another set screw 21 is threaded ' through the bar 2| in position to impinge the under the guide rod 3| and then directed toward rod 25 to adjustably secure the latter in posi and under the presser foot 1, where they rest tionrrelative to said bar 2|. As illustrated in 20 upon the cover plate of the sewing machine and Figure 2, the strip I0 is fed downwardly through edges of the folded strip ii] and the reinforc ing strips are sewed to each other and may also the U-shaped folder 23 at the outer side of the be sewed to an edge of another piece of fabric bar 2| or to that side of the latter which is at at the same time if so desired. the left of the bar 2| in Figures 1 and 2. As the strip Iii is passed through this portion of the 25 By removing one of the screws l '1, the entire attachment may be. swung upwardly to a verti folder 23, it is centrally folded into U form and cal position upon loosening the other screw I‘! may then he directed rearwardly under the so that it will be, entirely out of the way when presser foot 1 for being stitched by the action of needle 6 and associated stitching mechanism of . its use is not required. However, if preferred, the sewing machine, to the edge of a garment. so the folder 23, guide rod 25, and'guide rod 3| If the bar 25 is used, the reinforcing strip l3 may be detached from the supporting rod 19 and may be simultaneously guided through the slot 26 of said bar 25 so as to be inserted between the bracket M by simply loosening setscrew 22 ‘so as to permit removal of the cross bar 2! from said This passage rearwardly to the presser foot 1 and '35 will permit use of the sewing machine for any purpose where folding of a strip is not required. needle 6. Thus, when the folded strip I0 is at From the foregoing description, it is believed tached to the edge of the garment, it will .be reinforced by the strip | 3 disposed therein. By that the construction and operation,>as well as the advantages of the present invention, will adjusting the elements 23 and 25 to the left of the bar 2|, as viewed in Figure 2, the device may 40 be readily apparent to those skilled in the art. be adjusted to accommodate strips of varying It will be seen that the attachment is very simple widths according to the particular work at hand. and economical to manufacture, easy to install, easy to adjust, and of compact and durable con To more effectively support the elements 23 and struction. Minor changes in details of construc 25 with respect to each other and to more effec tively secure/ their relative adjustment, the free 45 tion illustrated and described are contemplated, such as fall within the spirit and scope of the end portions of the legs of folder 23 are received invention as claimed. 7 . in openings of a second cross bar 28, and the guide What I claim is: V bar 25 for the reinforcing strip I3 is also received 1. A sewing machine attachment of the char in an opening of the cross bar 28 intermediate 'the'openings which receive the legs of the folder 50 acter described comprising a cross bar having a pair of transverse openings therethrough, and > 23. Set screws 29 are threaded through the bar an elongated U-shaped strip folding rod having 28 in position to impinge the legs of the folder a bridge and spaced legs extending therefrom and 23, while another set screw 30 is threaded through slidably disposed through said openings, set the bar 28 in position to impinge the guide bar 25. By loosening the screws 24, 21, 29 and 3|], 55 screws threaded through said bar and impinging the legs of said folding rod, a reinforcing strip the elements 23 and 25 may be relatively adjusted guide bar interposed between the legs of said fold- ‘ and also adjusted relative to the cross bar 2| ing rod and having a longitudinally slotted end so as to condition the attachment for work in portion disposed in‘ a passage de?ned by the ' volving strips of varying widths that . are to be 60 cross-bar and the bridge and inner portions of folded and reinforced. ' the legs of said folding rod for reception of a re? In order to properly guide the folded strip HI, inforcing strip for the strip of material folded by and the reinforcing strip l3 when the latter is said folding rod, and a set screw threaded used, rearwardly to and under the presser foot through the bar in position to impinge the guide 1, a guide rod 3| is provided having a return bent bar. end portion whose free end 32 is received in an aperture of the cross bar 2| between the sup 2. A sewing machine attachment of the char porting bar l9 and the adjacent leg of the folder acter described comprising a cross bar having a A set screw 33 is threaded through the bar pair of transverse openings therethrough, an 2| in position to impinge the end of the return elongated U-shaped strip folding rod having its opposed portions of the folded strip it in their . rod IS with the elements 23, 25 and 3|. bent end portion of rod 3| , and it will be seen legs slidably disposed through said openings, and set screwsthreaded through said bar impinging the legs of said folding rod, a reinforcing strip from Figures 3-to 5, inclusive, that the main or major portion of rodr3| is disposed below and rearwardly of the folder 23 in‘ a horizontal posi guide bar interposed between thev legs of said tion parallel with the latter. Also, by loosening folding rod and having a longitudinally slotted set screw 33, this main or major portion of rod 75 end portion disposed between the inner portions 2,408,025 6 of the legs of said folding rod for reception of a reinforcing strip for the strip of material folded and having set screws threaded therethrough in position to impinge said end portions of the fold by said folding rod, and a set screw threaded ing rod, said second-named cross bar having‘a through the bar in position to impinge the guide third opening therethrough receiving an outer bar, said folding rod and said guide bar being 5 end portion of the guide bar, and a further set longitudinally adjustable through the bar relative screw threaded through the second-named bar and impinging the guide bar. to each other to accommodate strips of varying widths. 5. A sewing machine attachment of the char acter described comprising a cross bar having a 3. A sewing machine attachment of the char pair of transverse openings therethroug'h, an acter described comprising a cross bar having a elongated U-shaped strip folding rod having its pair of transverse openings therethrough, and an legs slidably disposed through said openings, set elongated U-shaped strip folding rod having its screws threaded through said bar and impinging legs slidably disposed through said openings, and the legs of said folding rod, a support for said set screws threaded through said bar and imping~ ing the legs of said folding rod, and a reinforcing 15 cross bar including a bracket attachable to the front of a sewing machine and having a rod strip guide bar interposed between the legs of said folding rod longitudinally thereof and slid parallel with the folding rod, an end of the cross bar having an opening receiving an end of said ably passing through the cross-bar and having a supporting bar, and a rod shiftable through the longitudinally slotted end portion disposed be tween the inner portions of the legs of said fold 20 cross-bar longitudinally of the strip-folding rod between legs thereof and formed with a slot for ing rod for reception of a reinforcing strip for the receiving a reinforcing strip and guiding the same strip of material folded by said folding rod, a set into place between leaves of a folded strip. 6. A sewing machine attachment of the char ing openings slidably receiving the free end por 25 acter described comprising a substantially U shaped bracket having an end extension attach tions of the folding rod and the slotted bar and having set screws threaded therethrough in po able to the front of a sewing machine, posts at tached to the end portions of said bracket and sition to impinge said end portions of the folding rod and the slotted bar. rising therefrom, a rod longitudinally slidable 4. A sewing machine attachment of the char 30 through the upper ends of said posts and having acter described comprising a cross bar having a one end projecting outwardly from the bracket, set screws securing said supporting rod relative pair of transverse openings therethrough, and to said posts, a cross bar receiving the project an elongated U-shaped strip folding rod having screw threaded through the bar in position to im pinge the guide bar, and a second cross bar hav its legs slidably disposed through said openings, ing end of said supporting bar and projecting for set screws threaded through said bar and imping 35 wardly therefrom, a strip folding rod carried by and adjustable transversely of said cross bar, said ing the legs of said folding rod, and a reinforcing strip folding rod being of an elongated U-shaped strip guide bar interposed between the legs of formation and having its legs slidable through the said folding rod and extending longitudinally cross bar, means to adjustably secure the folding thereof and having a longitudinally slotted inner end portion disposed between the inner portions 40 rod relative to said cross bar, and a rod shiftable longitudinally between legs of the strip-folding of the legs of said folding rod for reception of a rod and formed with a longitudinal slot for re reinforcing strip for the strip of material folded by said folding rod, and a set screw threaded ceiving a reinforcing strip and directing ‘the same through the bar in position to impinge the guide between leaves of the folded strip. bar, a second cross bar having openings slidably 45 receiving the free end portions of the folding rod CHARLES W. MARTIN.