US2850995A

US2850995A - Short thread sewing machine

Info

Publication number: US2850995A
Application number: US533407A
Authority: US
Inventors: Audrey W Orr
Original assignee: Individual
Current assignee: Individual
Priority date: 1955-09-09
Filing date: 1955-09-09
Publication date: 1958-09-09
Anticipated expiration: 1975-09-09

Description

Sept. 9, 1958 A. w. ORR

SHORT THREAD SEWING MACHINE 3 Sheets-Sheet 1 Filed Sept. 9, 1955 ah w l k w.

BE My NM WW mm 0%. 2: ow @rNp Lmfl .RM @5 A@ L= INVENTOR. A uo'rey 14/. Orr" BY ATTORNEY 3 Sheets-Sheet 2 A. W. ORR I INIIENTOR. Huorey b]. Orr BY 0* rt.'ed/, ATTORNEY SHORT THREAD SEWING MACHINE Sept. 9, 1958 Filed Sept. 9, 1955 P 9, 1958 A. w. ORR

SHORT THREAD SEWING MACHINE Filed Sept. 9, 1955 3 Sheets-Sheet 3 R mi W JW A A SHORT THREAD SEWHNG MACHINE Audrey W. Orr, Westport, Conn.

Application September 9, 1955, Serial No. 533,407

5 Claims, (Ci. 112 -174) This invention relates to improvements in sewing machines and the like.

An object of the invention is to provide a novel and improved sewing machine, which is of particular utility in sewing through at least one thickness of sheet fabric or the like, a continuous series of relatively loose stitches, made in one rapid continuous pass of the threaded needle, while the fabric itself remains stationary, the entire stitch forming operation being thus completed upon one forward motion or pass of the needle, and the subsequent retraction of the needle to initial position.

Another object of the invention is to provide a novel and improved sewing machine which may be used to form'the characteristic loose longitudinal assembly stitch to secure together a plurality of fabric sheet layers, generally similar to the ultimate loose necktie assembly stitch used in necktie manufacture, means being provided for forming the fabric elements or sheets into a series of successive undulations or crimps, the fabric being gently but firmly pressed into hollow shaped recesses or the like by crimping elements and held in such formed undulations while the needle passes therethrough, so that at the moment of stitching, the fabric section being stitched is stationary, automatic means being provided for moving the crimping elements, into and out of crimping position as the sewing needle moves forward on its needle carrier or support, the needle being thereafter retracted, followed by the retraction of the crimping elements.

A further object of the invention is to provide a novel and improved sewing machine of the character described, in which there is a major crimper bar supported over the path of movement of the sewing needle, with a plurality of individual crimper elements movable from below the crimper bar into engagement with individual recesses intermediate adjacent crimper bar ribs or teeth, thus carrying with the crimper elements the fabric layers to be stitched, and forming them into undulations lying substantially within the crimper bar recesses, so that as the sewing needle moves through the aligned needle grooves formed through said crimper bar teeth and crimper elements, it forms a continuous stitch through said fabric layers while in such undulated disposition, so that when said needle is retracted, the consequent loose stitched length of thread may be knotted at each end to secure the fabric layers loosely but permanently together.

Still another object of the invention is to provide a novel and improved sewing machine of the character described, in which novel support means is provided for the major crimper bar over the path of travel of the sewing needle, so that there is free unobstructed access on both longitudinal side edges of the major crimper bar and the fabric layers extending thereunder, thus rendering it possible to locate the aforesaid loose sequential stitching to be formed at any location intermediate the longitudinal edges of the sides of they fabric being stitched, without being hampered by reference to the location of United States Patent the edges of the fabric or the distance of the proposed stitched seam therefrom.

. Still a further object of the invention is to provide a novel and improved sewing machine of the character described, in which there is a crimper bar arranged to extend longitudinally over the path of travel of the sewing needle, with novel endwise support means for the crimper bar so that the edges of the crimper bar remain free for access sidewise on both longitudinal sides of the crimper bar for extension of fabric layers under said crimper bar from the far end of said crimper bar and also from front and rearward edges of said crimper bar, thus allowing unobstructed insertion and/or passage of fabric layers to be stitched under said crimper bar from both said longitudinal edges of the crimper bar as well as from the far edge thereof.

Still another object of the invention is to provide a 7 novel and improved sewing machine which may be employed for use in sewing both neckties with the characteristic loose stitch shown and taught by the Langsdorf U. S. Patents No. 1,447,090 and 1,448,453, and also for sewing other fabrics and multiple layers of fabrics and the like together by forming said fabric layers in successive undulations and then, while in such undulated disposition, passing a threaded needle through said undulations, the undulations being formed by successive movement of crimper teeth elements into adjacent recesses in the crimper bar of the device, bringing into such recesses the folds formed in the fabric layers on movement of the crimper teeth into said crimper bar recesses, the crimper bar and the crimper teeth being slotted to allow passage of the threaded needle therethrough in said sewing operation, novel bridging means being provided for supporting said crimper bar in an endwise orientation, so as to render free for unhindered access from front and rear edges of said crimper bar and also fromthe.

far end edge thereof, said crimper bar, so that fabrics to be stitched thereby may be inserted under said crimper bar from the far end, and also from either front or rearward edges of said crimper bar, and so that stitching lines may be formed in said fabrics without regard to the location of the edges of said fabrics or of their width or length. i

This application is copending with patent applications, (1) Serial Number 424,657, for Sewing Machine, and (2) Serial Number 510,731, for Hydraulic Actuated Sewing Machine, to which reference may be had for details of construction generally referred to herein but not illustrated in specific detail, the description and illustra- I Figure 1 is a top plan view showing a sewing machine constructed according to the invention.

Figure 2 is a front elevational view in fragment of the sewing machine shown in Figure 1, lower control portions of the machine being omitted for clarity of illustration.

Figure 3 is a sectional detail elevational view taken substantially on plane 3-3 of Figure 2, the view being taken only through the main longitudinal supporting bracket apart from the other associated elements.

Figure 4 is a transverse sectional detail elevational view taken substantially on plane 44 of Figure 2, the view being taken only through the main longitudinal supporting bracket at this location.

Figure 5 is a transverse sectional detail elevational view taken substantially on plane 5-5 of Figure 2, the

view being taken only through the main longitudinal,

Figure 7 is a transverse sectional elevational view taken through the machine at a location near the rear ward or leftward end of the machine as seen in Figure 2, and further broken out at substantially plane 77 of Figure 6 to illustrate the bracket construction at a point of major bracket engagement with the main frame elements of the machine.

Figure 8 is a fragmentary sectional elevational detail view taken substantially perpendicular to that of Figure 5, and on an enlarged scale showing several crimper members in upper disposition as the cam rail elevates them into crimping engagement with the crimper bar, the view showing the needle at this location.

Figure 9 is a fragmentary sectional elevational view taken substantially on plane 9-9 of Figure 8, showing additional structure elements than are shown on Figure 8.

Figure 10 is a fragmentary partially broken out front elevational view showing the cam assembly with its needle carrier and needle, and the cable array for moving the cam assembly to the right and left in advancing and retracting the sewing needle and moving the cam simultaneously to elevate and lower the crimper members.

In connection with the stitching of several layers of fabric or sheet material together, the type of stitching engagement is of paramount importance.

operation in which the stitches are formed in a regular continuity in undulating fashion through each layer, so that the machine does not form a tight or lock stitch. Such a type of stitching is employed in the necktie stitching taught by Langsdorf in his U. S. Patents Nos. l,447,090 and 1,448,453 issued in 1923, for joining the necktie outer fabric or body, and the lining together by a continuous thread loosely engaging both, and knotted at both ends. A machine for performing such stitching operations is also set forth in considerable detail in the copending patent applications of the present applicant, Serial No. 424,657, for Sewing Machine, and Serial No. 510,731 for Hydraulic Actuated Sewing Machine. For details of construction of such machines as disclosed in the said copending applications, reference is made to said applications, the contents thereof being incorporated herein by reference thereto, to avoid undue encumbrance of the present application.

In order to make vfor further clarity of illustration, some of the drawing illustrations have been taken in whole or in part from those shown in said copending patent applications, particularly from Serial Number 424,657, and the same reference numerals have been employed where similar parts are shown herein, to indicate that the parts are either wholly or substantially the same as, previously illustrated and described therein.

The previous and pending applications aforementioned, have been of particular utility in connection with. the manufacture and stitching of neckties and the like. The present application relates particularly. to stitching machinery in which the location of the side edges of the fabric being stitched is .not paramount, it being adapted to be used for stitching operations regardless of where the edges of the fabric or fabric layers are located.

In order to understand clearly the nature of the invention, and the particular means employed for carrying it out, reference may now be had to the drawings, in which like reference numerals denote similar parts throughout the several views.

The present invention has particular utility in that class of stitching As shown, there is a main base or platform 10 forming a main table top and having a lower surface 12 spaced from its upper surface 14, and supported on leg members 1'5 and 16 the ends of which are engaged with flanges l3 and 20 at their upper and lower ends, for engaging the table top 10 and the floor therebelow as needed. The table top 10 may be made of suitable material, such as wood, in substantial thickness, or other materials may be used as available or desired, and is fairly long between its front and

rearward edges

24 and 26, and broad between its left and

right side edges

28 and 30 as seen best in Figures 1 and 2.

A rearward table top 32 is carried at its forward edge 34 on a lateral beam or the like 36 resting on the rearward edge 26 of the lower table top or platform 10, and extends rearwardly to rearward edge 38, being carried by rear legs having enlarged flanges 42 at their upper and lower ends, for engaging respectively the table top 32 and the floor therebelow.

The leftward table 32 is provided with a number of openings 33 formed vertically therethrough, as seen best in Figures 1, 2 and 7, for the reception of bushings 35 extending therethrough, for the reception of fastening bolts or screws 37. The fastening screws 37 are seen to be inserted through the openings 39 in the pads or bases 41 of the lower flanges 43 of the main longitudinal overhead supporting bracket body 45. Openings 39 are of elongated shape to permit longitudinal positioning adjustment of said main bracket body 45 with respect to the table 32. As seen best in Figures 1 and 2, the main bracket body 45 is provided with a number of such base pads 41, which are integral with the lower flange 43 of the main bracket body 45, and are extended laterally therefrom on each side of the flange, it being seen that the flange 43 is variable in width along the length of the main bracket body 45, as seen best in Figure l, as needed to accommodate the parts being engaged thereby. Thus, as seen in Figures 1 and 2, there are three such base pads 41, the lower surfaces 47 of which are machined to be plane, and thus to seat well against the top surface of the plate or wall 32, with the web portion 49 extending integrally upwardly from the web and

pad portions

49 and 41 respectively. Figures 1 and 2 show how the length of the main bracket member 45 compares with the length of the machine, and hence it is seen that the web portion of the main bracket is formed with substantial vertical extent to take care of any tendency to deflect vertically. The web 49 is recessed somewhat at 51 to permit formation of an opening 53 at this location, as seen in Figure 2, and Figure 4, the flange 43 being however, continuous across this hollow area for maximum strength and rigidity thereat. As seen in Figure 2, the top edges of the web 49 may slope divergently downwardly from the central portion as seen at 55 to merge smoothly with the rounded end portions 57 and 59 in the manner shown.

A crimper bar member 58 is disposed beneath the rightward portion of the main bracket member 45, as seen in Figures 1 and 2, being secured thereto by means of the screws 37b in the manner shown in Figures 1, 2, 8 and 9, the screws being threaded into openings 61 formed through the crimper bar 58, and extending through openings 63 formed through the pads 41 of the bracket flanges as seen. The crimper bar 58 is of substantial length between its front and rear ends and 62, which extend longitudinally of the machine, and is of substantial width between its left and

right edges

64 and 66, and has substantial thickness between its upper and

lower surfaces

68 and 70. As seen best in Figures 2, 8 and 9, the crimper bar 58 has a series of consecutive recesses 72 which are downwardly open, and extend laterally between

edges

64 and 66, being mutually parallel. Figures 8 and 9 show the contour of the crimper recesses 72 in somewhat a larger scale, and also the contours of the upper edges tween in undulated crimped position therein. As seen in Figures 8 and 9, the upper edges or margins 74 may be beveled somewhat on the crimper bar 58, to avoid sharp edges thereat. Similarly, a downwardly open longitudinal groove 80 may be formed through all the walls of the crimper recesses 72 of the crimper bar 58, to allow extension therethrough of the elongated needle 84 when the needle is in forwarded or retractive motion as explained hereinbelow, the groove 80 thus extending at right angles to the parallel grooves or recesses in the crimper bar.

A number of crimpers or crimper members 86, one for each of the recesses 72 in the crimper bar 58, are provided, as shown in the various views. Such crimpers 58 may be constructed with a pair ofside bars or

legs

90 and 92 which are mutually parallel and interspaced, being interconnected at the top by the top rail or crimper bar edge member 92, so as to define a space therebetween as at 96 in Figure 9. A curtain wall or plate 98 interconnects the upper ends of the

bars

90 and 92, and

also the rail 94, so as to form a rigid crimper assembly as seen best in Figures 8 and 9, the left end of the top rail extending outwardly as seen in Figure 9 in the manner shown. The bifurcated crimpers 86 have small stub shafts 99 set into bores formed in their lower ends 102, the walls of the

bars

90 and 92 being recessed as at 104 to receive the rollers or wheels 106 which thus extend below the lower surfaces of the bars 90and 92, and allow the entire crimper assemblies to ride on the rollers, which in turn ride on the cam rails 158, the cam rails being fastened to the inner surfaces of the movable

cam assembly walls

144 and 146 by means of screws 163.

There are a number of such crimpers or crimper members 86, one for each of the recesses 72 in the crimper bar 58, and, as seen best in Figure 8, they are all in side by side positions, so that they can only ride up or down- Wards, and do not move to the side at all. A spring 120 is secured at 118 to the crimper 86, and at its lower end at 124 to the stationary floor plate 126, to bias these crimpers downwardly, there being one such spring for each crimper 86. Referring now to Figures 7, 8, 9 and 10, it is seen that the elongated needle 84 has its eye at 174' and is quite long, so that it can extend right through all the bifurcated upper end slots in all the crimpers when upraised, as in Figure 8, the needle being threaded with thread 178 for forming a continuous stitch through the undulated layers of fabric 114 as seen'in Figure 8. The rearward end 170 of the needle 84 is bent over as seen in Figure 10, and extends through the clamp opening in the upper bifurcated end of the needle carrier 179, shown in Figure 7, the bifurcation being at 172, and the clamp screw 173 serving to draw the bifurcations of the needle carrier clamp tightly together to hold the needle firmly therein with the body or shank of the needle extending outwardly therefrom to the right as seen in Figure 10.

The needle carrier 179 has an enlarged base as seen in Figure 7, which is secured by screws 181 to the needle

carrier supporting Walls

144 and 146 so that they all move together. As mentioned previously, the cam rails 158 are also secured to the

walls

144 and 146, and thus, when the sewing needle 84 is to be moved to the right or to the left, as indicated by the double-ended arrows in Figure 10, in sewing or retracting movements, respectively, the

cam walls

144 and 146 move right along, taking with them the cam rails 158 secured thereto. As the crimpers 86 have their rollers 106 riding on the cam rails 158, it is apparent that when the cam rails move to the right, the normally lowered crimpers 86 ride up on the inclined runway portion of the cam rails between locations 162 and 166 in Figure 10, and are thus elevated up on the horizontal portions 142 of the cam rails, at which time they are at their uppermost positions, and have their upper ends extending each into its mating groove 72 in the lower surface of the crimper bar 58, as seen in Figures 8 and 9, and carrying with them any layers of fabric 114 which are therebetween. -This forms undulations in the fabric as seen in Figure 8, and the needle 84 is enabled to pass right through each of the fabric waves or undulations, so as to carry the thread with it, and thus to form a stitch. The needle is so mounted with relation to the inclined portion between locations 162 and 166 of the cam rails 158, thatit does not pass through the slot in any crimper 86 until that crimper has been elevated to stitching position on the level portion of the cam rail. Similarly, when the needle is to be withdrawn to the left, as seen in Figures 8 and 10, each individual crimper 86 remains at its elevated location until the needle has been withdrawn from that particular crimper, after which the spring pulls the crimper downwardly as the cam rail is moved to the left, although gravity aids somewhat also. It is understood that by using channels instead of cam rails, so that the rollers 106 ride in the inside of the channels, the springs 120 may be omitted.

In order to move the needle, needle holder,

walls

144 and 146 and the cam rails 158, I provide a pull cable 438, shown in Figures 7 and 10, held in the recess 436 by clamp member 432, secured by screws 434, the movement of the pull cable to the right or left as seen in Figure 10 causing corresponding movement of the entire needle assembly and cam walls and cam rails. As seen best in Figure 10, the pull cable may be caused to move in any of a variety of ways, such as by means of a motor 237 having a pulley 236 mounted on its shaft 234, the pull cable extending over fixed pulleys222 and 226 with its portions 228 extending around pulley 236. Another fixed pulley 227 is secured to some stationary portion of the machine frame, allowing the pull cable to extend around pulley 227 also. Wires 243 are connected to the power lines through control box 241, which is arranged to reverse the direction and/or speed of movement of motor 237 in any well known manner. Mechanical speed control methods and foot pedals may also be used.

Looking again at Figures 6 and 7, it is seen that a lower main housing is formed by

channels

132 and 134 which are secured by screws or bolts 131 to the stationary floor 126, the assembly being thus seen at 128 generally. There are also

upper channels

200 and 202, as seen best in Figure 7, the flanges 204 of which are secured by screws or bolts 205 to the upper flanges of .the

lower channels

132 and 134. The

upper channels

200 and 202 have their upper flanges 206 extending outwardly to engage with the lower ends of the retaining screws 37, as seen in Figures 6 and 7, with nuts 37a holding them together. Needle centering and supporting levers 400 are supported on the flanges 206, at intervals along the path of travel of the long needle 84, these levers 400 being pivoted on pivot pins 402 extending through holes in the outer end portions of the levers 400 so that they can swing about the pivots 402 to a limited extent to accommodate the movement of the needle against which their inner ends bear, just behind the upper end 172 of the needle carrier 179 in Figure 7. These levers 400 are slotted on their distal ends where they allow movement of the needle therethrough, as seen in further detail in Figures 7 of my copending patent application Serial No. 424,657, to which reference is had for Each of the centering levers 400 has an upstanding spring supporting pin 416, engaging spring 418 to bias them together about the needle. A cover plate 410 extends over the flanges 206 and has its lower flanges 408 seatedv as shown, with'the pins 402 extending therethrough, and" retaining the centering levers 400 against displacement.

Asseen in Figures 6 and 7, the bolts 37 also pass.

through openings formed in the cover plate flanges 408,

just below the bushings any needed details. 7

35, and thus everything is heldin/ a firm assembly. At the same time, it is seen from Figure 7, that the main housing thus formed by

walls

200, 202, 132 and 13 i, and floor 126, and below roof 410, is a passageway inside which the needle 84, needle carrier 179,

cam Walls

142 and 146, and cam rails 158 are all ready and readily movable both forwardly and backwardly in the directions shown by the double ended arrows in Figure 10.

It is understood that other means may be employed to move the needle carrier and cam assembly, such as hydraulic means, as shown in my copending patent appiication, Serial No. 510,731, for Hydraulic Actuated Set ing Machine. In operation, as mentioned in detail in said other applications, Serial No. 510,731 and 424,657, a spool of thread 181 may be disposed in a housing at 26, as seen in Figure 2, with walls 132 and 1.5", the needle being threaded from this spool, as it extends out of fabric clamping jaw 406 which is movable against the left end of the crimper bar 58 as seen in that view. The cloth layers to be stitched, are thus held by clamp 40% against end 62 of the crimper bar, while the rest of the cloth to be stitched, is extended from left to right under the crimper bar 58 while the crimpers 86 remain at their lower elevations. As the cam rails 158 move to the right, elevating the crimpers 86, the cloth is formed into undulations as seen in Figure 8, and the needle 34 follows, passing through the undulations with the thread. Having reached the rightward end of the crimper bar, the attendant or operator grasps the right end of the thread, and as the needle 84- is retracted to the left, the operator holds the thread and the fabric at the right of the machine, the leftwardly movement of the needle allowing the thread to remain in the fabric. The lowering of the crimpers 86 allows the fabric to resume its original plane shape, and it is seen that it ha been stitched. The operator can then cuLoif the leftward end of the thread, and knot it in the characteristic type of knotting taught by the aforementioned two Langsdorf patents at both ends of the stitching line, or any otner disposition may be made as needed, depending upon what is being made. It is seen that the upraised flange 51 forming the hollow area 53 under the main bracket 45, is of considerable utility in aiding in guiding of the fabric, bunching or rolling it thereat if desired for maximum convenience. The main bracket 45, being extended longitudinally over the path of movement of the needle, allows compiete freedom of access from three sides of the crimper bar 58, and any width or length of fabric may be stitched without regard to the width of the fabric, and for the entire length of the crimper bar, and without regard to the location of the edge of the fabric, and permitting manual location and guidance of the fabric being stitched.

To permit of adjustment of the positioning of the crimper bar for good mating with the erimpers 86, or to take up wear, the openings 63 in the pads 41 of the main bracket, may be elongated parallel to the web 49 to form slots, and thus permit adjustment movement of the bracket as needed. Although I have described my invention in specific terms, it will be understood that various changes may be made in size, shape, materials and arrangement without departing from the spirit and scope of the invention as claimed.

1 claim:

1. A sewing device for engaging a first fabric with a second fabric, comprising a main housing, main bracket means carried by said main housing and extending outwardly therefrom, first crimper body means carried by said main bracket means in outrigged disposition from said main housing, crimper engaging recesses formed in an under surface of said first crimper body means, a plurality of crimper members disposed below said first crimper body means, means constructed and arranged for elevating said crimper members into engagement with said crimper engaging recesses, said first crimper body means and said crimper members being formed with aligned til) longitudinal needle passageways formed therethrough for the passage of a sewing needle longitudinally along said first crimper body means, whereby, upon disposition of said first and second fabrics intermediate said first crimper body means and said lowered crimper members, the elevation of said crimper members into engagement with said crimper engaging recesses forms said first and second fabrics into successive undulations and waves, so that upon passage of said threaded needle through said aligned longitudinal needle passageways said fabrics are stitched together thereby, said main bracket means including a first main bracket leg adapted to rest upon said main housing, means for securing said first main bracket leg to said main housing, a second main bracket leg carried by said first main bracket leg. and extending outwardly therefrom longitudinally of said first crimper body means, means for securing said second main bracket leg to said first crimper body means, said main bracket means having a hollow area formed therein intermediate said first and second main bracket legs, which area is downwardly open to form a fabric insertion recess.

2. A sewing device for engaging a first fabric with a second fabric, comprising a main housing, main bracket means carried by said main housing and extending outwardly therefrom, first crimper body means carried by said main bracket means in outrigged disposition from said main housing, crimper engaging recesses formed in an under surface of said first crimper body means, a plurality of crimper members disposed below said first crimper body means, means constructed and arranged for elevating said crimper members into engagement with said crimper engaging recesses, said first crimper body means and said crimper members being formed with aligned longitudinal needle passageways formed therethrough for the passage of a sewing needle longitudinally along said first crimper body means, whereby, upon disposition of said first and second fabrics intermediate said first crimper body means and said lowered crimper members, the elevation of said crimper members into engagement with said crimper engaging recesses forms said first and second fabrics into successive undulations and waves, so that upon passage of said threaded needle through said aligned longitudinal needle passageways said fabrics are stitched together thereby, said main bracket means including a continuous upstanding web portion, a portion of said web portion being recessed intermediate the ends of said Web portion, to define a cloth insertion recess which is downwardly open, a lower rim flange integral with the lower edge of said upstanding web portion and extending in elevated disposition around said recessed portion of said web portion, thus defining a first main bracket leg extending over and engageable with said main housing and a second main bracket leg extending over and engageable with said first crimper body means, and a plurality of mounting lug pads integral with said lower rim flange at intervals therealong, and provided with openings for receiving screws or the like for being fastened to said main housing and said first crimper body means respectively.

3. A sewing device for engaging a first fabric with a second fabric, comprising a main housing, main bracket meanscarried by said main housing and extending outwardly therefrom, first crimper body means carried by said main bracket means in outrigged disposition from said main housing, crimper engaging recesses formed in an under surface of said first crimper body means, a plurality of crimper members disposed below said first crimper body means, means constructed and arranged for elevating said crimper members into engagement with said crimper engaging recesses, said first crimper body means and said crimper members being formed with aligned longitudinal needle passageways formed therethrough for the passage of a sewing needle longitudinally along said first crimper body means, whereby, upon disposition of .said first and second fabrics intermediate said first crimper body means and said lowered crimper members, the elevation of said crimper members into engagement with said crimper engaging recesses forms said first and second fabrics into successive undulations and waves, so that upon passage of said threaded needle through said aligned longitudinal needle passageways said fabrics are stitched together thereby, said main bracket means including a continuous upstanding web portion, a portion of said Web portion being recessed intermediate the ends of said web portion, to define a cloth insertion recess which is downwardly open, a lower rim flange integral with the lower edge of said upstanding web portion and extending in elevated disposition around said recessed portion of said web portion, thus defining a first main bracket leg extending over and engageable with said main housing and a second main bracket leg extending over and engageable with said first crimper body means, and a plurality of mounting lug pads integral with said lower rim flange at intervals therealong, and provided with openings for receiving screws or the like forbeing fastened to said main housing and said first crimper body means respectively, said Web portion being further recessed intermediate adjacent mounting lug pads and said lower rim flange being arched at said recessed portions to provide engaging contact with said main housing and said first crimper body means only at said mounting lug pads, and means constructed and arranged for longitudinal positioning adjustment of said main bracket means at said mounting lug pads.

4. A sewing device for engaging a first fabric with a second fabric, comprising a main housing, main bracket means carried by said main housing and extending outwardly therefrom, first crimper body means carried by said main bracket means in outrigged disposition from said main housing, crimper engaging recesses formed in an under surface of said first crimper body means, a plurality of crimper members disposed below said first plate carried by said forward housing at an elevation becrimper body means, means constructed and arranged for elevating said crimper members into engagement with said crimper engaging recesses, said first crimper body means and said crimper members being formed with aligned longitudinal needle passageways formed therethrongh for the passage of a sewing needle longitudinally along said first crimper body means, whereby, upon disposition of said first and second fabrics intermediate said first crimper body means and said lowered crimper members, the elevation of said crimper members into engagement with said crimper engaging recesses forms said first and second fabrics into successive undulations and waves, so that upon passage of said threaded needle through said aligned longitudinal needle passageways said fabrics are stitched together thereby, said main bracket means including a continuous upstanding web portion, a portion of said web portion being recessed intermediate the ends of said web portion, to define a cloth insertion recess which is downwardly open, a lower rim flange integral with the lower edge of said upstanding web portion and extending in elevated disposition around said recessed portion of said web portion, thus defining a first main bracket leg extending over and engageable with said main housing and a second main bracket leg extending over and engageable with said first crimper body means, and a plurality of mounting lug pads integral with said lower rim flange at intervals therealong, and provided with openings for receiving screws or the like for being fastened to said main housing and said first crimper body means respectively, said main housing being disposed at the rearward portion of said machine, a forward housing disposed at the forward portion of said machine, a top low that of said main housing, whereby said main bracket means extends freely over said top plate of said forward housing with said first crimper body means at a substantial elevation above said top plate of said forward housing, so that there is free access for the passage and disposition of fabrics to be stitched, under said first crimper body means from at least three sides or ends of said first crimper body means.

5. A sewing device for engaging a first fabric with a second fabric, comprising a main housing, main bracket means carried by said main housing and extending outwardly therefrom, first crimper body means carried by said main bracket means in outrigged disposition from said main housing, crimper engaging recesses formed in an under surface of said first crimper body means, a plurality of crimper members disposed below said first crimper body means, means constructed and arranged for elevating said crimper members into engagement with said crimper engaging recesses, said first crimper body means and said crimper members being formed with aligned longitudinal needle passageways formed therethrough for the passage of a sewing needle longitudinally along said first crimper body means, whereby, upon disposition of said first and second fabrics intermediate said first crimper body means and said lowered crimper members, the elevation of said crimper members into engagement with said crimper engaging recesses forms said first and second fabrics into successive undulations and waves, so that upon passage of said threaded needle through said aligned longitudinal needle passageways said fabrics are stitched together thereby, said main bracket means including a continuous upstanding web portion, a portion of said web portion being recessed intermediate the ends of said web portion, to define a cloth insertion recess which is downwardly open, a lower rim flange integral with the lower edge of said upstanding web portion and extending in elevated disposition around said recessed portion of said web portion, thus defining a first main bracket leg extending over and engageable with said main housing and a second main bracket leg extending over and engageable with said first'crimper body means, and a plurality of mounting lug pads integral with said lower rim flange at intervals therealong, and provided with openings for receiving screws or the like for being fastened to said main housing and said first crimper body means respectively, said main housing being disposed at the rearward portion of said machine and has a first top plate carried thereon to which said main bracket means is secured, a forward housing disposed at the forward portion of said machine, a second top plate carried by said forward housing at an elevation substantially below that of said first top plate, whereby said meain bracket means extends freely over said second top plate with said first crimper body means at a substantial elevation above said second top plate, said main bracket means being recessed along its lower portion intermediate its ends so as to overlie the forward edge of said first top plate at said recessed portion to define a fibric receiving recess, whereby'there is free access all around said first crimper body means for insertion and positioning of fabrics to be stitched without regard to the location of the edges of said fabrics.

References Cited in the file of this patent UNITED STATES PATENTS 638,004 Bultzingslowen Nov. 28, 1899 659,617 Bultzinglowen Oct. 9, 1900 2,409,045 Johnson et al. Oct. 8, 1946