US135194A - Improvement in sewing-machines - Google Patents
Improvement in sewing-machines Download PDFInfo
- Publication number
- US135194A US135194A US135194DA US135194A US 135194 A US135194 A US 135194A US 135194D A US135194D A US 135194DA US 135194 A US135194 A US 135194A
- Authority
- US
- United States
- Prior art keywords
- shuttle
- needle
- bobbin
- wall
- feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000969 carrier Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 14
- 239000004744 fabric Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 210000003128 Head Anatomy 0.000 description 8
- 238000009958 sewing Methods 0.000 description 4
- 210000003141 Lower Extremity Anatomy 0.000 description 2
- 240000007600 Lysimachia clethroides Species 0.000 description 2
- 210000001331 Nose Anatomy 0.000 description 2
- 244000221110 common millet Species 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002452 interceptive Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/08—Loop takers, e.g. loopers for lock-stitch sewing machines
- D05B57/10—Shuttles
- D05B57/14—Shuttles with rotary hooks
Definitions
- ALBERT BINGHAM or NEWTONVILLE, ASSIGNOR TO FREDERICK CURTIS, CEBOSTCN, MASSACHUSETTS.
- a sewing-machine of which B is the main bed or table, provided at its front end with an elevated box or chamber, A; O, the arched standard or goose-neck G, the head of the latter; D, the curved operating-arm driving the needle-carrier E, which is pivoted to it in the usual manner; F, the driving-shaft; G, the fly crank-wheel; and H, the pitman which connects such wheel with the needle-operating ar1n-these constituent elements being organized after the manner of several machines now in use, and containing in themselves nothing peculiar to myself.
- the box A or working-head of the machine is divided near its outer end by a vertical wall, I, the outer face of this wall being scored with a perpendicular channel, J, which receives the needle duringits traverses, this arrangement of wall and needle serving to insure the correct position of the loop of thread in order that the shuttle shall enter it.
- K represents an upright vibrating arm swiveled to the lower part of the wall I, and which travels to and fro against the front face of such wall, its vibrations being produced by thev stud a of a crank or eccentric, b, which is mounted upon the outer end of the drivingshaft F, such stud extending into a vertical slot, 0, formed in the vibrator, as represented.
- a spring turn-button, f is applied to the front of the vibrator K, and in connection with the shuttle-ease or cradle d, in such manner that when turned upright in Contact with the latter it serves to firmly retain it in its working position, and when turned away from contact with such shuttle-case it permits it to be turned over into a horizontal position, and thus expose its shuttle, which may at once be removed without inconvenience.
- This button possesses sufficient elasticity to insure close contact of the shuttle and wall, and yet is of sufficient strength to insure Such a friction between the two as shall suffice to exert the proper tension upon the thread of the bobbin, as hereinafter explained.
- the shuttle is shown at g as an elongated, pointed oval block in its longest direction, and provided with an inclosure or chamber, h, for receiving the bobbin, which is shown at i as a spool of ordinary form, the mouth of this spool-chamber, when the shuttle is in working position, being outward, but covered by the shuttle-case, and being formed with an orifice at the top for exit of thread.
- the same organization of parts enables a shuttle to be removed with equal dispatch and ease.
- I divide the sewing or working plate I of such table in a line coincident with the path of the feeding mechanism, and so as to diverge upon opposite sides thereof, and I hinge each half of such plate at their rear adjacent corners to the rear side of the box A in such manner that they may be separated and swing away from each other, and from over the working parts contained within thesaid box, in order to expose such working parts and enable ready access to be had to them for the purpose of adjustment, removal of the bobbin, lubrication, etc.
- the feeding mechanism consists of a sectoral plate, q, pivoted, at its lower extremity, to the bottom of the inner face of the wall I and opposite the shuttle-carrier K, the said sectoral plate extending upward through an orifice, a", in the sewing-plate before mentioned, and provided with a lateral offset, t, which overlaps the wall I, and being of sufficient thickness to monopolize the entire width of such orifice, the upper edge of this sectoral plate constituting a means whereby the material is fed along below the presser-foot, a vertical channel, 8, being formed centrally and longitudinally through its offset t for passage of the needle, such needle being shown at a in the drawing.
- the convex form of the upper and serrated face or feeding-face of the plate q acts, in combination with the curved presser-foot before explained, to facilitate the introduction and feeding as well as support of the material, and possesses features and advantages incident to such a presser-foot.
- the sectoral plate q is formed with an irregular fork or opening, w, which embraces or straddles an eccentric or cam, 00, fixed to the driving-shaft of the machine, such cam during a revolution striking in succession against the rear side of such fork, which advances the feed and the material, and the front side of such fork which retracts the feed, such front side being elastic or yielding in order that the cam may pass it when a very short stitch is being laid, this yielding side, however, being sufficiently rigid to insure the retraction of the feed.
- the extent of movement of the feeding-plate, and consequently the length of the stitch governed by such feed, is regulated by a stud or rod, 3 which is screwed through'the front wall of the box A and into the path of movement of the feedin g-plate.
- the feed yoke or frame provided, upon that side with which the feed-cam is in contact when retracting the feed-plate, with a yielding face, which, after the cam has retracted the feed to the extent permitted by the regulating-screw will yield and thus allow the cam to pass it and complete its rotation, substantially as shown and described.
Description
- ZSheets SheeH. A. BIN GHA M.
Sewing-Machines.
NO. 135,194. Patented Jan. 28, 1873.
AM. PHOTU-LIWMGRAPHIC ca MX(06BORNL-1S moans) 2 Sheets--Sheet 2A A. BINGHAM.
Sewing-Machine s.
w $40,135,194. Patented]an.28,1873.
J2me ywlm 9 I jud.
An, PIIOTO'LITHOSRAPHIC 00, N. Masaryk/v53 Pnocsss) UNITED STATES PATENT ()FFICE.
ALBERT BINGHAM, or NEWTONVILLE, ASSIGNOR TO FREDERICK CURTIS, CEBOSTCN, MASSACHUSETTS.
IMPROVEMENT IN SEWING-MACHINES.
Specification forming part of Letters Patent No. 135,194, dated January 28 1873.
To all whom it may concern.-
' Be it.known that I, ALBERT BINGHAM, of Newtonville, in the county of Middlesex and State ofMassachusetts, have made an inven-' tion of certain Improvements in Sewing-Ma chines; and do hereby declare the following to be a full, clear, and exact description thereof, due reference being had to the accompanying drawing making part of this specification, and in which Figure l is a plan; Fig. 2, afront-end view; Fig. 3, a vertical and longitudinal section; and Fig. 4, an under-side view, of a sewing-machine containing my improvements. Fig. 5 is a rear or inner side elevation of its feeding device.
The drawing accompanying this specification represents at A a sewing-machine, of which B is the main bed or table, provided at its front end with an elevated box or chamber, A; O, the arched standard or goose-neck G, the head of the latter; D, the curved operating-arm driving the needle-carrier E, which is pivoted to it in the usual manner; F, the driving-shaft; G, the fly crank-wheel; and H, the pitman which connects such wheel with the needle-operating ar1n-these constituent elements being organized after the manner of several machines now in use, and containing in themselves nothing peculiar to myself. The box A or working-head of the machine is divided near its outer end by a vertical wall, I, the outer face of this wall being scored with a perpendicular channel, J, which receives the needle duringits traverses, this arrangement of wall and needle serving to insure the correct position of the loop of thread in order that the shuttle shall enter it. K represents an upright vibrating arm swiveled to the lower part of the wall I, and which travels to and fro against the front face of such wall, its vibrations being produced by thev stud a of a crank or eccentric, b, which is mounted upon the outer end of the drivingshaft F, such stud extending into a vertical slot, 0, formed in the vibrator, as represented.
In carrying out the first portion of my invention in the order above premised, I pivot to the upper end of the vibrator or shuttle-carrier K a box or shuttle-case, d, which is open in rear and travels closely against the face of the wall I, this wall serving to close it and secure the shuttle in place within it, a notch or aperture, 0, being created in the top of the box or cradle for exit of thread therefrom. A spring turn-button, f, is applied to the front of the vibrator K, and in connection with the shuttle-ease or cradle d, in such manner that when turned upright in Contact with the latter it serves to firmly retain it in its working position, and when turned away from contact with such shuttle-case it permits it to be turned over into a horizontal position, and thus expose its shuttle, which may at once be removed without inconvenience. This button possesses sufficient elasticity to insure close contact of the shuttle and wall, and yet is of sufficient strength to insure Such a friction between the two as shall suffice to exert the proper tension upon the thread of the bobbin, as hereinafter explained. The shuttle is shown at g as an elongated, pointed oval block in its longest direction, and provided with an inclosure or chamber, h, for receiving the bobbin, which is shown at i as a spool of ordinary form, the mouth of this spool-chamber, when the shuttle is in working position, being outward, but covered by the shuttle-case, and being formed with an orifice at the top for exit of thread. The friction or drag upon the rotations of the bobbin, which is necessary to produce the requisite tension upon the thread carried by such bobbin, is obtained by means of a :sirnple screw, shown at 70 in the accompanying drawing, which is screwed through the base or outer side of the shuttlecase, extends into the mouth of the shuttle, and abuts against the end of the bobbin; by this means pressing the rear side of the shuttle against the wall I and creating a greater or less amount of friction between the bobbin and such wall through the agency of the intervening shuttle, according to the extent to which the screw is advanced, a pad of leather or its equivalent being interposed between the screw and bobbin. This arrangement of the vibrator K, shuttle-box d, shuttle g, and bobbin 7:, in combination with the wall I, constitutes an extremely simple and effective device whereby the tension upon the shuttle-thread is easily and expeditiously effected without disturbing any of the working parts of the machine or re moving the bobbin. The same organization of parts enables a shuttle to be removed with equal dispatch and ease.
Should it be found, in practice, that the friction existing between the shuttle and wall I is of sufficient extent to wear the parts, I have provided a remedy, which consists in passing a post or wire through the bobbin t and screwin g the end of the sameinto the body of the shuttle, the head of this screw overlapping the end of the bobbin, and, by means of an interposed elastic washer or spring, exerting the necessary friction upon such bobbin, according to the power with which it is screwed against it. An orifice should be formed in the outer face of the shuttle-case or cradle in coincidence with the head of the screw, in order that a screw-driver may be applied thereat, and the tension upon the bobbin varied, without removing the same or its shuttle. Second, in Order to expose the sewing mechanism of the machine by the dismemberment or division of its sewing-table, I divide the sewing or working plate I of such table in a line coincident with the path of the feeding mechanism, and so as to diverge upon opposite sides thereof, and I hinge each half of such plate at their rear adjacent corners to the rear side of the box A in such manner that they may be separated and swing away from each other, and from over the working parts contained within thesaid box, in order to expose such working parts and enable ready access to be had to them for the purpose of adjustment, removal of the bobbin, lubrication, etc. That this obiect may be more effectually accomplished, I secure the outer side m of the box A to the outer portion of the plate Z, and so as to produce a door which shall move with it and away from before the shuttle-carrier and other devices, as shown in Fig. 2 of the accompanying drawing, each half or semi-plate being provided with a suitable spring-catch to secure them in placewhen closed. Third,Ihinge the presser-foot, shown in the drawing at 0, in a peculiar manner to its carrier or bar 1), which is contained within the head 0 in the usual manner; this mode of attachment of the presser-foot, in contradistinetion to the rigid connection as used at present, enabling it to accommodate itself to and surmount seams and irregularities in the work, and permitting such seams to advance immediately to the needle before seizure by the feed-these peculiarities having proved themselves to be of great utility and value in producing a series of uniform and perfect stitches.
The peculiarity of this attachment of the presser-foot consists in swiveling it to its carrier by means of a lateral arm, I), or its equivalent, in such manner that its center of suspension and oscillation shall be directly opposite the center of the needle or its path of move ment, thus at all times exerting a hold upon the material immediately about such needle.
In the employment of a rigid and fiat presser-foot, as now generally adopted, as a seam or ridge in the cloth approaches the needle the presser-foot is elevated and the cloth immediately about the needle left without a means of holding it down upon the feed; hence the elevation of the needle raises this portion of the clothwith it, and, by disarranging the lower thread, prevents the proper presentation of the loop to the nose of the shuttle, and allows the shuttle to fail in producing a stitch.
By my construction of feed and presser foot apressurc is exerted upon the cloth immediately about the needle, thus keeping it at all times in proper position. As the needle, remains in the cloth while the feed is being retracted to take a new hold thereupon it securely holds the cloth in place and prevents the wrinkles and misplacement which would ensue were the cloth left unsupported, the slot in the feed permitting such feed to travel past the needle without interfering with it.
The feeding mechanism consists of a sectoral plate, q, pivoted, at its lower extremity, to the bottom of the inner face of the wall I and opposite the shuttle-carrier K, the said sectoral plate extending upward through an orifice, a", in the sewing-plate before mentioned, and provided with a lateral offset, t, which overlaps the wall I, and being of sufficient thickness to monopolize the entire width of such orifice, the upper edge of this sectoral plate constituting a means whereby the material is fed along below the presser-foot, a vertical channel, 8, being formed centrally and longitudinally through its offset t for passage of the needle, such needle being shown at a in the drawing.
As the feeding device last explained embraces closely each side of the needle, or its path of movement, without any intervening object, and seizes the material only in the immediate locality of such needle, I am enabled to more effectively and unerringly insure the advance of such material, and as a consequence improve the character of the stitches produced by the machine. The convex form of the upper and serrated face or feeding-face of the plate q acts, in combination with the curved presser-foot before explained, to facilitate the introduction and feeding as well as support of the material, and possesses features and advantages incident to such a presser-foot. The sectoral plate q is formed with an irregular fork or opening, w, which embraces or straddles an eccentric or cam, 00, fixed to the driving-shaft of the machine, such cam during a revolution striking in succession against the rear side of such fork, which advances the feed and the material, and the front side of such fork which retracts the feed, such front side being elastic or yielding in order that the cam may pass it when a very short stitch is being laid, this yielding side, however, being sufficiently rigid to insure the retraction of the feed. The extent of movement of the feeding-plate, and consequently the length of the stitch governed by such feed, is regulated by a stud or rod, 3 which is screwed through'the front wall of the box A and into the path of movement of the feedin g-plate.
Claims.
1. The combination of the vibrating shuttlebox carrier, the shuttle-box hinged to said carrier, and the spring-latch for holding said carrier with a yielding pressure against the wall I dnrin g the vibrations of the carrier, substantially as and for the purposes set forth.
2. The herein-described combination of the vibrator K, shuttle-box d, turn-button f, shuttle g, bobbin 1', and screw k, when constructed and operating as described.
3. In combination with the vibratory shuttlecarrier and shuttle-box and the feeding mechanism arranged on opposite side of the wall I, as shown and described, the divided sewingplate, the one part covering and surrounding the line of feed, and a convex-surfaced and vibratory feed having its point of oscillation in the same vertical plane with that of the presser-foot, said parts being constructed and arranged to operate with each other and the needle as shown and set forth.
5. In combination with the screw y, or its equivalent, attached to the frame of the machine and operating to regulate the feed, as
described, the feed yoke or frame provided, upon that side with which the feed-cam is in contact when retracting the feed-plate, with a yielding face, which, after the cam has retracted the feed to the extent permitted by the regulating-screw will yield and thus allow the cam to pass it and complete its rotation, substantially as shown and described.
6. The combination, with the vibratory shuttle-b ox and the shuttle and bobbin, construct-- ed and arranged to operate in connection with the wall I as specified, of the means, substantially as herein shown and described, for clamping said bobbin with a greater or less pressure against the wall in rear of the needle, for the purposes set forth.
ALBERT BINGHAM.
, Witnesses:
FRED. CURTIS, Enw. GRIFFITH.
Publications (1)
Publication Number | Publication Date |
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US135194A true US135194A (en) | 1873-01-28 |
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US135194D Expired - Lifetime US135194A (en) | Improvement in sewing-machines |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019209204A1 (en) | 2018-06-29 | 2020-01-02 | Robert Bosch Gmbh | DETECTING LOCALIZATION OF AVAILABLE PARKING SPACE USING SHIFT BASED ON HISTORICAL AGGREGATION |
DE102019209206A1 (en) | 2018-06-29 | 2020-01-02 | Robert Bosch Gmbh | PARKING CARDS REFINING USING AN OCCUPATIONAL BEHAVIOR ANOMALY DETECTOR |
-
0
- US US135194D patent/US135194A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019209204A1 (en) | 2018-06-29 | 2020-01-02 | Robert Bosch Gmbh | DETECTING LOCALIZATION OF AVAILABLE PARKING SPACE USING SHIFT BASED ON HISTORICAL AGGREGATION |
DE102019209206A1 (en) | 2018-06-29 | 2020-01-02 | Robert Bosch Gmbh | PARKING CARDS REFINING USING AN OCCUPATIONAL BEHAVIOR ANOMALY DETECTOR |
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