US349358A - Button-hole-barring machine - Google Patents
Button-hole-barring machine Download PDFInfo
- Publication number
- US349358A US349358A US349358DA US349358A US 349358 A US349358 A US 349358A US 349358D A US349358D A US 349358DA US 349358 A US349358 A US 349358A
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- bar
- button
- hole
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- 210000002683 Foot Anatomy 0.000 description 38
- 239000004744 fabric Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 22
- 210000003371 Toes Anatomy 0.000 description 12
- 210000003414 Extremities Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
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-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
- D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
Definitions
- This invention has for its object the production of a machine more especially adapted to bar the square end of an eyelet-ended buttonhole previously finished about its sides and eyelet on a button-hole sewing-machine.
- an ordinary sewingmachine it being herein shown as a Singer, with an attachment adapted to operate a combined pressing and feeding foot, which forms a part of the said attachment, the usual presser-foot of the sewing-machine being dispensed with.
- the attachment contains two disks or pattern-plates which rotate once while finishing each button-hole, and determine the number of stitches made in the production of the bar which finishes the square end of the buttonhole, a depression in the face of one of the disks automatically stopping the machine when the said bar has been completed.
- the said attachment also contains a cam by which to move the presser and feeding foot with the fabric or material at right angles to the button-hole slit, so as to make preferably three stitches to constitute the body for the bar, and it contains a second cam to move the said pressing and feeding foot and fabric or material longitudinally with relation to the button-hole slit, tothereby stitch backward and forward over the' said body.
- My invention consists in an attachment, substantially such as hereinafter described, and in mechanical details to be set forth in the claims at the end of this specification.
- Figure 1 represents in side elevation, but partially broken out, a Singer sewing-machine having applied to it my improvements; Fig. 2, a detailof the automatic tensionmechanism; Fig. 3, a top or plan view of the attachment applied to the bed of a Singer machine, the frame work being partially broken away; Fig. 4, an'under side view of a sufficient portion of a sewing-machine to illustate one form of mechanical devices to operate the attachment.
- Fig. 5 is a section of Fig. 4 on the line m 00;
- Fig. 6, a section of Fig. 3 on the line 00 :0
- Fig. 7 is a section of Fig. 3 on the line as Fig. 8 is a section of Fig.
- Fig. 10 shows a button-hole slit with the body-threads of the bar laid at right angles to the length of the slit and with one end thereof covered or crossed transversely by lateral stitches of the same thread.
- the frame-work A, main horizontal shaft A, gears A A, upright shaft A, crank A shuttle-carrier A, link A, needle-bar A needle A are all as common in the Singer sewingmachine, which, in this instance, I have selected upon which to represent my improve ment.
- the shaft A is provided at its lower end with a pinion, b, which engages with apinion, b, of the same size, the teeth of which mesh with the teeth of and drive continuously a gear, W, of twice its size.
- the gear b is fast upon a short shaft, b extended upward through a sleeve, to be described, and above the bedplate of the machine and the bed-plate B of the attachment, and at its upper end the said shaft is provided with a cam, 1), partially shown in Figs. 1 and 7, and in dotted lines, Fig. 3.
- the cam b entersa cam-yoke, If, at the rear end of a slide-bar, 1). (Shown separately in Fig.
- the pressing and feeding foot (I is adjustably attached to the bar (1 by suitable screws, 2 3, and the said bar is pivoted at (1 upon the slide-bar b, so that the said pressing and feeding foot, preferably serrated at its under side and borne against the fabric or material by thespring c, is moved in unison with the slide-bar, thus enabling the presser and feeding foot to move the said fabric or material longitudinally with relation to the length of the button-hole slit.
- the pinion I mounted on stud 34, has fast to it a pin-wheel or a one-toothed pinion, e, the single tooth of which intermittingly engages the narrow spaces 1, between pairs of teeth at the periphery of a star-wheel, 0", placed above the gear I) and connected with the lower end of sleeve 0", surroumling the short shalt b and extended up through a hole in the bedplate of the machine, (see Fig. 7,) and through the bed B of the attachment, where it receives up on it two disks, 5 6.
- the star-wheel e is rotated once to each eighteen rotations of the pin wheel (1, and moves only while the single tooth of the pinwheel is in engagement with the pairs of teeth of the said star-wheel, the latter remaining at rest as long as the circular hub or untoothcd part of the pin-wheel (shown partially in dotted lines, Fig. 4) acts in the spaces 5 of the star-wheel between the pairs of teeth.
- any other usual form of gear may be employed to produce an intermitting movement.
- the disk 5 has two throw-points, 9 10, (see Fig. 8,) and at each side of the throw-point 9 is a depression, the center of the depression and the extremity of the point 9 occupying a portion of the circumference of the disk equal to the distance traversed by the star-wheel to each step or movement.
- the periphery ofthe disk ti at the opposite side of the shaft If has also two high points, 12 13, the latter being shown in dotted lines, Fig.
- thehighpoints and dcprcssionsat the peripheries of the said disks are only sufficient to effect three full vibrations of the said fixed lever about its center 0', such vibrations (the pressing and feeding foot (Z being pressed down upon the fabric or material placed under it) causing the said fabric or material to be moved horizontally in the direction of the width of the button-hole slit therein which is to be barred atits squareend, so that the stitching parts produce three stitches, and cause the needle-thread tobc laid on the surface of the fabric or material as three long stitches, as in diagram, Fig. 10, the said stitches extending substantially from outer edge to outer edge of the stitching about the sides of the button -hole slit.
- the base B of the attachment has two bearings, 14 15,to recei vea rock-shaft, h, having two arms, h h, and a toe, h, the latter being made adjustable thereon by a set-screw, h, and having a pin, 16, (see Fig. 6,) adapted to ride upon the face of the disk (5, and when opposite the depression 8 therein to enter the said dcpression and permit the] ock-shaft under the action of spring 1 7to be turned in the direction of the arrow 18, (see Fig. 8,) and place the dog It in position to be struck by the stop piece 20. made as an arm loosely mounted upon the shaft A, (see Fig.
- the stoppiece 20 is backed up in a yielding manncrby a spring, 22, on a curved bail-piece, 23, extended through a guide, 24, fast to the part in.
- a spring-pressed pin, 3 which normally keeps the stop-piece pressed toward the loose pulley m.
- the loose pulley or sheave m at its inner side is cut away, as shown at 32, forming a space to receive a nearly diametrically placed spring arm, m, (shown mostly in dotted lines, Fig. 8, and also shown in end view of Fig. 1,) attached by the screw 33. (Shown in dotted lines in Fig. I]
- the opening 8 in the disk 6 is so located that the pin 16 enters it just before the high points and depressions of the disks 5 and 6 arrive into position to vibrate the forked lever c to effect the laying of the body-threads referred to, so that the mechanism is automatically stopped at the completion of a bar, and a second bar cannot be commenced without hand manipulation on the part of the operator, as will now be described.
- the arm h of the rock-shaft h is placed to be acted upon by a finger, 33, of a lever, 01-, and whenthe operator, the fabric having been put in place under the pressing and feeding foot (I, desires to start the machine the lever a is turned to act upon the arm h, turn the rockshaft in the direction to remove the dog h from its engagement with the stop-piece 20, and at the same time the pin 35, extending beneath the pivoted bar or lever d, is lowered, permitting the spring 0 to depress the pressing and feedingfoot upon the material.
- a spring or nipping tension device composed of a standard or bar, 42, and a spring, 40, between which the needle'thread passes on its wayto the needle, the spring acting as a tension device; but to release the thread when the needle-bar is elevated, and the needle out of the fabric, and the stitch finished only at which time the work is to be removed from the machine
- the opening and depression 8 at the upper side of the disk 6 acts as a pattern or surface to determine the stopping of the machine.
- the end of the button-hole to be barred is placed beneath the feeding presser foot (I with the button-hole lengthwise of the machine or in the line of the direction of the reciprocating movements of the slide-bar Z).
- the parts being in the position indicated by Fig. 3, and the machine being started,the points and depressions of the disks 5 and 6 will give three quick vibrations to the lever c and to the bar or lever d and feeding-foot (I carried thereby.
- the said feeding-foot will also be reciprocated in the direction of the length of the buttonhole by the cam b, to make the short barring-stitches, said foot being meanwhile moved slowly transversely of the button-hole by the scroll-shaped edges of the disks 5 and G to effect the proper spacing of the said stitches.
- I claim 1 In an attachment for barring the ends of button-holes, a yielding pressing and feeding foot to bear upon the material, aslide-bar connected with said foot and provided with a yoke, a lever by which the said slide-bar is carried and on which it can slide, a cam rotating in said yoke and serving to reciprocate the said slide-bar lengthwise, and two rotating disks having at certain portions of their peripheries oppositely-arranged projections and depressions, substantially as set forth.
- a barring attachment comprising a feeding presser-foot, a rotating cam for reciprocating said foot lengthwise of the button -hole, and rotating disks ECO having oppositely arranged projections and depressions and scroll-shaped edges, as described, combined with a clutch-pulley and intermediate devices for eflect-ing the stoppage of the machine when the bar is completed, substantially as set forth.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
(No Model.) zsheets-sneeud. N J. BEECH.
BUTTON HOLE EARRING MACHINE.
No. 349,358 Patented Sept. 21, 1886.
(No Model.) 2 Sheets-Sheet 2.
J. REEGE. BUTTON HOLE EARRING MACHINE.
NO. 349,358. F 3Patented Sept. 21, 1886.
E] if N. PETERS. Phclomlwgmphcr. Wasllinglmh D. C
UNITED STATES PATENT OFFICE.
1' JOHN REECE, OF-BOSTON, MASSACHUSETTS.
BUTTON-HOLE-BARRING MACHINE.
SPEGIIICATIQN forming part of Letters Patent No. 349.358, dated September 21, 1886. Application filed Apr-i128, 1884. Serial No. 129,532. (No modeh) To all whom it may concern.-
Be it known that 1, JOHN REEOE, of Boston,
county of Suffolk, and State of Massachusetts,
have invented an Improvement in Button- Hole-Barring Machines, of which the following description, in connection with the aceompanying drawings, is a specification, like letters on the drawings representing like parts.
This invention has for its object the production of a machine more especially adapted to bar the square end of an eyelet-ended buttonhole previously finished about its sides and eyelet on a button-hole sewing-machine. To accomplish this object I have provided an ordinary sewingmachine, it being herein shown as a Singer, with an attachment adapted to operate a combined pressing and feeding foot, which forms a part of the said attachment, the usual presser-foot of the sewing-machine being dispensed with. The attachment contains two disks or pattern-plates which rotate once while finishing each button-hole, and determine the number of stitches made in the production of the bar which finishes the square end of the buttonhole, a depression in the face of one of the disks automatically stopping the machine when the said bar has been completed. 7 The said attachment also contains a cam by which to move the presser and feeding foot with the fabric or material at right angles to the button-hole slit, so as to make preferably three stitches to constitute the body for the bar, and it contains a second cam to move the said pressing and feeding foot and fabric or material longitudinally with relation to the button-hole slit, tothereby stitch backward and forward over the' said body. 3
My invention consists in an attachment, substantially such as hereinafter described, and in mechanical details to be set forth in the claims at the end of this specification.
Figure 1 represents in side elevation, but partially broken out, a Singer sewing-machine having applied to it my improvements; Fig. 2, a detailof the automatic tensionmechanism; Fig. 3, a top or plan view of the attachment applied to the bed of a Singer machine, the frame work being partially broken away; Fig. 4, an'under side view of a sufficient portion of a sewing-machine to illustate one form of mechanical devices to operate the attachment. Fig. 5 is a section of Fig. 4 on the line m 00; Fig. 6, a section of Fig. 3 on the line 00 :0 Fig. 7 is a section of Fig. 3 on the line as Fig. 8 is a section of Fig. 1 on the dotted line m :10,- Fig. 9, a detail showing the'slotted slidebar and Fig. 10 shows a button-hole slit with the body-threads of the bar laid at right angles to the length of the slit and with one end thereof covered or crossed transversely by lateral stitches of the same thread.
The frame-work A, main horizontal shaft A, gears A A, upright shaft A, crank A shuttle-carrier A, link A, needle-bar A needle A are all as common in the Singer sewingmachine, which, in this instance, I have selected upon which to represent my improve ment.
The shaft A is provided at its lower end with a pinion, b, which engages with apinion, b, of the same size, the teeth of which mesh with the teeth of and drive continuously a gear, W, of twice its size. The gear b is fast upon a short shaft, b extended upward through a sleeve, to be described, and above the bedplate of the machine and the bed-plate B of the attachment, and at its upper end the said shaft is provided with a cam, 1), partially shown in Figs. 1 and 7, and in dotted lines, Fig. 3. The cam b entersa cam-yoke, If, at the rear end of a slide-bar, 1). (Shown separately in Fig. 9.) This slide-bar is held down upon a forked lever, c, pivoted by screw 0 to the bed B by a headed screw, I), (see Fig. 1,) the shank of which latter is extended through the said bar and into the said lever, so that the slide-bar, actuated by the cam I)", may slide readily on the said forked lever in the direction of its length, which is also in the direction of the length of the button-hole the end of which is to be barred. The slide-barb"has two guides,
one of which is the screw Z2 referred to, and
the other a block, 0 (see Figs. 3 and 7,) pivoted upon the top of the shaft 11, the sides of the said block fitting closely into a longitudinal groove formed at the upper part of the yoke at the end of the said slide-bar. Each reciprocation of the slide-bar b is in a line radial with relation to the shaft 1). The pressing and feeding foot (I is adjustably attached to the bar (1 by suitable screws, 2 3, and the said bar is pivoted at (1 upon the slide-bar b, so that the said pressing and feeding foot, preferably serrated at its under side and borne against the fabric or material by thespring c, is moved in unison with the slide-bar, thus enabling the presser and feeding foot to move the said fabric or material longitudinally with relation to the length of the button-hole slit.
The pinion I), mounted on stud 34, has fast to it a pin-wheel or a one-toothed pinion, e, the single tooth of which intermittingly engages the narrow spaces 1, between pairs of teeth at the periphery of a star-wheel, 0", placed above the gear I) and connected with the lower end of sleeve 0", surroumling the short shalt b and extended up through a hole in the bedplate of the machine, (see Fig. 7,) and through the bed B of the attachment, where it receives up on it two disks, 5 6.
The star-wheel e is rotated once to each eighteen rotations of the pin wheel (1, and moves only while the single tooth of the pinwheel is in engagement with the pairs of teeth of the said star-wheel, the latter remaining at rest as long as the circular hub or untoothcd part of the pin-wheel (shown partially in dotted lines, Fig. 4) acts in the spaces 5 of the star-wheel between the pairs of teeth.
Instead of the pin and star wheel herein shown, any other usual form of gear may be employed to produce an intermitting movement.
The disk 5 has two throw-points, 9 10, (see Fig. 8,) and at each side of the throw-point 9 is a depression, the center of the depression and the extremity of the point 9 occupying a portion of the circumference of the disk equal to the distance traversed by the star-wheel to each step or movement. The periphery ofthe disk ti at the opposite side of the shaft If has also two high points, 12 13, the latter being shown in dotted lines, Fig. 3, and at eaehsidc of the high point 12 is a depression, the depression between the high points 12 and 13 of the disk 6 being diametrically opposite the high point 9 of disk 5, so that the said high points and depressions co-operate upon theinwaidly-extended toes of the forked lever 0 referred to, and cause the saidlever to be moved positively and quickly in each direction of its movement and for the whole distance of the throw which can be given to the saidlever, and the said lever held at the extremes of its movements. As herein shown,thehighpoints and dcprcssionsat the peripheries of the said disks are only sufficient to effect three full vibrations of the said fixed lever about its center 0', such vibrations (the pressing and feeding foot (Z being pressed down upon the fabric or material placed under it) causing the said fabric or material to be moved horizontally in the direction of the width of the button-hole slit therein which is to be barred atits squareend, so that the stitching parts produce three stitches, and cause the needle-thread tobc laid on the surface of the fabric or material as three long stitches, as in diagram, Fig. 10, the said stitches extending substantially from outer edge to outer edge of the stitching about the sides of the button -hole slit. These long stitches constitute thebody for the bar, and they are subsequently over-stitched transversely, or covered by the ncedle-thrcad,while the slide-bar and its attached pressing and feeding foot are being moved to movethe fab ric or material longitudinally, or in the direction of the length of the button-hole slit by the cam b, before described.
\Vhile the body-stitches are being covered transversely the toes of the ,forked lever rest upon the smooth peripheries of the disks 5 (5, which are of scroll shape, or which start from the extremity of one of thehigh points, and terminate at the base orlowcst port-ion of one of the depressions, such scroll shape of the said disks effecting gradually a lateral. movementof the fabric or material, or a slow movement at right angles to the length of the button-hole slit while the bodytln-eads are being covered or crossed over transversely by the needle-thread, as described.
The base B of the attachment has two bearings, 14 15,to recei vea rock-shaft, h, having two arms, h h, and a toe, h, the latter being made adjustable thereon by a set-screw, h, and having a pin, 16, (see Fig. 6,) adapted to ride upon the face of the disk (5, and when opposite the depression 8 therein to enter the said dcpression and permit the] ock-shaft under the action of spring 1 7to be turned in the direction of the arrow 18, (see Fig". 8,) and place the dog It in position to be struck by the stop piece 20. made as an arm loosely mounted upon the shaft A, (see Fig. 8,) and located in a notch, 21, in the face and periphery of the clutch-pulley partm, and one side of the band-pulley or sheave in loose on the shaft A. The stoppiece 20 is backed up in a yielding manncrby a spring, 22, on a curved bail-piece, 23, extended through a guide, 24, fast to the part in. One side of the said stop piece (see Fig. 1) is acted upon by a spring-pressed pin, 3 which normally keeps the stop-piece pressed toward the loose pulley m. The loose pulley or sheave m at its inner side is cut away, as shown at 32, forming a space to receive a nearly diametrically placed spring arm, m, (shown mostly in dotted lines, Fig. 8, and also shown in end view of Fig. 1,) attached by the screw 33. (Shown in dotted lines in Fig. I]
\Vhen the sheave or pulley m is being rotated in the direction of the arrow 25, Fig. 8, the free end of the spring of bears against the shoulder 28 of the stop-piece 20, as shown in Fig. 1, and causes the latter, by its action against the shoulder 36 of the fast pulley m, (see Figs. 1 and 8,) to drive the latter and the shaft A; but as soon as the pin 16, before described, enters the depression 8 of the disk 1;, the dog 71 then moved as described, enters the space 29 at the end of the stop-piece 2t), acting against the front of the shoulder 28, forces the stop-piece back laterally in the direction of the arrow 31, Fig. it, moving the shoulder 28 laterally away from the loose pulley m and out of engagement from the spring ICO ' m referred to, which permits the pulley on to duce a disastrous shock, so to provide for that the spring 22 yields to the momentum of the part at, and gradually brings it to rest.
The opening 8 in the disk 6 is so located that the pin 16 enters it just before the high points and depressions of the disks 5 and 6 arrive into position to vibrate the forked lever c to effect the laying of the body-threads referred to, so that the mechanism is automatically stopped at the completion of a bar, and a second bar cannot be commenced without hand manipulation on the part of the operator, as will now be described.
The arm h of the rock-shaft h is placed to be acted upon by a finger, 33, of a lever, 01-, and whenthe operator, the fabric having been put in place under the pressing and feeding foot (I, desires to start the machine the lever a is turned to act upon the arm h, turn the rockshaft in the direction to remove the dog h from its engagement with the stop-piece 20, and at the same time the pin 35, extending beneath the pivoted bar or lever d, is lowered, permitting the spring 0 to depress the pressing and feedingfoot upon the material.
As soon as the stop-piece is released, it is thrown forward by the spring 22,and resumes its normal position nearest the pulley or sheave at, so that the spring m on the latter, during the rotation of the said pulley, again acts upon the said stop-piece and starts the machine.
To lift the presserfoot for the insertion of the work it is only necessary to turn the liftinglever 01 toward the needle-bar. The pin 35, which lifts the presser, and the pin 33 which turns the rock-shaft to start the machine, are at opposite sides of the fulcrum tof the said lever, the said fulcrum being shown by dotted lines in Fig. 1.
At the top of the head of the machine near the needle-bar A (see Figs. 1 and 2) I have placed a spring or nipping tension device composed of a standard or bar, 42, and a spring, 40, between which the needle'thread passes on its wayto the needle, the spring acting as a tension device; but to release the thread when the needle-bar is elevated, and the needle out of the fabric, and the stitch finished only at which time the work is to be removed from the machine, I have provided the spring 40 with a toe, 4-1, extended laterally through a hole in a standard or ban-A2, and the upper end of the needlebar as it strikes the toe,near the termination of each. ascent of the needle-bar.- forces the spring 40 away from the standard 42, (see dotted lines, Fig. 2,) and thus effects the release of the needle-thread,thereby leaving the latter free to be drawn through the tension device for the removal of the work.
The opening and depression 8 at the upper side of the disk 6 acts as a pattern or surface to determine the stopping of the machine.
The end of the button-hole to be barred is placed beneath the feeding presser foot (I with the button-hole lengthwise of the machine or in the line of the direction of the reciprocating movements of the slide-bar Z). The parts being in the position indicated by Fig. 3, and the machine being started,the points and depressions of the disks 5 and 6 will give three quick vibrations to the lever c and to the bar or lever d and feeding-foot (I carried thereby. The said feeding-foot will also be reciprocated in the direction of the length of the buttonhole by the cam b, to make the short barring-stitches, said foot being meanwhile moved slowly transversely of the button-hole by the scroll-shaped edges of the disks 5 and G to effect the proper spacing of the said stitches. \Vhen the depression of the disk 6 comes beneath the toe of the rock-shaft h, (at which time the barof the button-hole is 001m pleted,) the machine is automatically stopped by the unclutching of the driving pulley, as has been described.
I claim 1. In an attachment for barring the ends of button-holes, a yielding pressing and feeding foot to bear upon the material, aslide-bar connected with said foot and provided with a yoke, a lever by which the said slide-bar is carried and on which it can slide, a cam rotating in said yoke and serving to reciprocate the said slide-bar lengthwise, and two rotating disks having at certain portions of their peripheries oppositely-arranged projections and depressions, substantially as set forth.
2. The combination, with the base B of the attachment, of the rotating shaft I), its cam b, the slide-bar I), having a yoke, b, in which said cam rotates, and the pressing and feeding foot d, connected with said slide-bar, substantially as set forth.
3. The base B of the attachment, the shaft 7), its cam If, means to turn the said shaft, the slide-bar I), having a yoke, If, in which said cam rotates, and the yielding pressing and feeding foot operatively connected with said slide-bar, combined with two disks having circumferential projections and depressions, and the pivoted lever upon which said slide-bar is held and guided, said lever being forked tov embrace said disks, substantially as set forth.
4. In a sewing-1nachine attachment, the upright shaft A pinion b, the gear 12 intermediate b, shaft b", its cam, the slide-bar, and the pressing and feeding foot operated by it, combined with the two disks 5 6, provided with suitable projections and depressions and with means to operate the said disks intermittingly, and withthe forked lever c, operated thereby, all substantially as described.
5. In a sewing-machine, a barring attachment comprising a feeding presser-foot, a rotating cam for reciprocating said foot lengthwise of the button -hole, and rotating disks ECO having oppositely arranged projections and depressions and scroll-shaped edges, as described, combined with a clutch-pulley and intermediate devices for eflect-ing the stoppage of the machine when the bar is completed, substantially as set forth.
(5. The feedingioot, the slide-bar, the pivoted forked leverto carry the latter, combined with the rotating disks 5 and 6, embraced by the fork of said lever, and having circumferential projections and depressions to movet-he said lever quickly over the greatest distance traveled by it to effect the movements of the said foot crosswise ofthe button-hole, and having other circumferential portions scrollshaped,as described,to move said lever slowly from one to its other position, combined with a rotating cam to reciprocate the said slidebar and foot in the direction of the length of the button-hole slit, substantially as and for the purpose set forth.
7. The combination, with the feeding presseri'oot (l and its operating mechanism, includ ing the disk 6, having the depression 8, of the the said pin is forced into said depression, 1
substantially as set forth.
8. The combination, with the reciprocating needle-bar, of the post *2, secured to the sewing-machine head or face-plate adjacent to said bar, and having a flattened face and a tension-spring, 40, pressing against said flattened face, and provided with a projection, 41, extending beyond said post into the path of the needle-bar whereby said spring will he forced away from said post at the upward movement of the needle-bar to release the thread, substantially as set forth.
In testimony whereofl have signed my name, to this specification in the presence of two subscribing witnesses.
JOHN REECE. \Vi t nesses:
( i. W. GREGORY, W. H. Sres'ron.
Publications (1)
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US349358A true US349358A (en) | 1886-09-21 |
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US349358D Expired - Lifetime US349358A (en) | Button-hole-barring machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073252A (en) * | 1974-12-05 | 1978-02-14 | Pfaff Industriemaschinen Gmbh | Method for effecting the sewing of a pocket stitch |
-
0
- US US349358D patent/US349358A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073252A (en) * | 1974-12-05 | 1978-02-14 | Pfaff Industriemaschinen Gmbh | Method for effecting the sewing of a pocket stitch |
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