US363821A - Button hole sewing machine - Google Patents
Button hole sewing machine Download PDFInfo
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- US363821A US363821A US363821DA US363821A US 363821 A US363821 A US 363821A US 363821D A US363821D A US 363821DA US 363821 A US363821 A US 363821A
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- lever
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- 238000009958 sewing Methods 0.000 title description 10
- 240000007600 Lysimachia clethroides Species 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 230000001105 regulatory Effects 0.000 description 4
- 241000507564 Aplanes Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- 101700055763 spri Proteins 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
- D05B73/12—Slides; Needle plates
Definitions
- This invention relates to improvements in button-hole sewing-machines for the purpose of sewing with a button-hole stitch along the interior edges of perforated boot or shoe upper fronts, and for other similar purposes where a button-hole sewing-machine or otherkind ofsewing-machine would not be applicable for doing such particular work.
- FIG. 1 represents a front elevation of 'a button-hole sewing-machineprovided with my improved attachment.
- Fig. 2 represents a horizontal section on the line A B, shown in Fig. 1.
- Fig. 3 represents an end view of the machine and my attachment.
- Fig. 4 represents a bottom view of the improved attachment.
- Fig. 5 represents a cross-section on the line C D, shown in Fig. 2.
- Fig. 6 represents a section on the line E F, shown in Fig. 4'; and
- Fig. 7 represents aplan view of the front portion of a perforated boot or shoe upper.
- Fig. 8 represents a detail side view of the feed-bar.
- a represents the work-supporting plate, and b the goose-neck, of an ordinary button-hole sewingmachine, as shown in Figs. 1, 2, and 3.
- c is the driving-shaft, as usual, located in bearings in the goose-neck of the machine, and provided with pulley c and balance-wheel c, in the ordinary manner.
- the small bevel-pinion 0 shown in dotted lines in Fig. 1,
- meshes into the teeth of the bevel-gear d secured to the vertical shaft d, located, as usual, in bearings in the upright rear portion of the goose-neck b,
- the shaft d extends downward, as usual, and is provided with connecting mechanism below the plate a,
- e is the laterally-movable head, as. usual located in guides in the outer endof the gooseneck b, and in such head is vertically movable -neck 12, in the usual manner, as shown'in Fig.
- gage-bar having hinged to it at f the connecting-rod f, the rear end of which ispivoted to a rooklever, f actuated by the cam-disk f on the upright shaft d, in the ordinary manner.
- bracket 9 To one side of the forward end of the gooseneck I) is secured the bracket 9, (shown in Figs. 2, 3, 4,.and 6,) such bracket having side projections, g 9', that serve as guides for the verticallyadjustable presser-foot bar h, to the lower end of which is secured the presser foot h. (Shown in Figs. 1, 3, and 4.)
- I is a bracket secured to the goose-neck of the machine, and to such bracket is secured at z" the flat steel spring i, the forward free end of which is forked and resting in a groove on the collar h, that is ad j ustably secured on the presser foot-bar h by means of set-screw if, or similar device, as shown in Figs. 1, 2,'and 3.
- the downward pressure on the spring-bar z and presser-foot h is regulated by means of set-screw i, screwed through a projection on the bracket I, and having its lower end pressing on thespringbar '6, as shown in Figs. 1, 2, and 5.
- the presser-foot h is raised, when placing the work between it and the needleplate a, by means of the lever 2' pivoted at i, to bracket I and provided with cam or projection 6 (Shown in Figs. 1 and 4.)
- the device for feeding the work relative to the needle is carried out as follows: To the vertical shaft cl are secured two cams, k k, that are located within the four sides Z l l l of the rear end of the lever L, which has hinged at 1, near its forward end, the inclined plate or bar I, the outer end of which is automatically held downward by the influence of a spring, I, placed between the outer ends of lever L and inclined plate Z as shown in Figs. 1 and 6, and theinclination and distance of the outer end of said plate Z from the under side of lever L may be regulated and adjusted by means of a nut, l, and screw-boltl (Shown in said Figs.
- the lever L is guided in the forked fulcrum-piece m. secured in a suitable manner to the lever n, that is pivoted at a to the rear lower portion of the bracket I, as shown in Figs. 2, 4, and 5.
- the lever on has a slot-hole, n, at or near its free end,through which passes the screw-bolt 0, and after said screw has been inserted through a perforation in the lower portion of bracket I it is firmly secured in place by means of the nut 0..
- feed-bar 19 is the feed-bar, having a rear forkedend, p, as usual, that is pivoted at p to a projection, a, attached to work-plate a, as shown in Figs. 2, 3, and 4.
- the feed-harp has a serrated foot, 19 in its free end, adapted to rest on the work while in the process of being sewed.
- a recess, 12 is between the ends of feed-bar p, on the upper side, as shown in Fig. 8, in which projects the outer end of lever L and its inclined plate or bar P, as shown in Figs. 3 and G.
- the feed-bar p is guided in itsforward-andback motion in a slot or recess, 9, in the lower end ofthe bracket 9, as shown in Fig. ,6, and its free end is automatically raised above the work by theinfluence of the spring 9*, secured in one end to bracket 9, and having its other end pressing on the under side of feed-bar p, as shown in Figs. 3, 4, and 6, when not pressed downward onto the work by the lever L and its inclined plate Z.
- g is a slotted pressure-plate adj ustablysecured to the lower portion of the bracket 9 by means of set-screw g (Shown in Figs. 3 and 6.)
- Such plate 9 is adapted to rest with its lower edge against the upper side of the lever L, and, according to its position on bracket a more or less pressure 'on the feed-bar p is occasioned through the medium of the lever L and its hinged plate Z as thelatter is drawn backward by the cam k.
- a and a" in Fig. 2 are the perforations, as usual, in the needle-plate a, through which the needle passes alternately in forming the stitches.
- the operation of the machine is as follows: The article to be button-hole stitched on the edges of its perforations is placed on the needleplate a after the presserfoot h and feedbarphave been raised sufficiently to enable.
- the machine is set in operation as usual, and a button-hole stitch formed by the vertically and laterally movable needle, its thread, and the second thread and mechanism below the work-plate a, as is usual on buttonholesewing-Inachines.
- the feed ofthe material takes place when the needle has passed upward out of it by means of the lever L being drawn backward by the action of cam on the rear projection, Z, of said lever, causing the serrated foot 1) of feed-bar p to be forced onto the upper side of the material by the agency of the inclined plate Z and pressure-plate g, as hereinabove described, after which the cam k acts on one of the side projections l in the end of 9 5 lever L, causing it to be rocked on its fulcrum m, so that its forward end, together with plate Z and feed-bar p, is made to move the desired distance away from the operator, as required for making another stitch.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
(No Model.) I 3 Sheets--Sheet 1. T. 'P. HART.
BUTTON HOLE SEWING MACHINE. 1' NO. 363,821. Patented May 3 1887.
\X iT asses IXZETDI! lo-umogl nphen Wnhlngton. 0.0 H
(No Model.) s Sheets-Sheet 2.
T. F, HART. BUTTON HOLE SEWING MACHINE.
No. 363,821. Patented May-3'1, 1887.
N, PETERS, F'hulo-Qiihogmphur, Washingion, D. C.
3Shets--Sheet a.
(No Model.)
TLP. HART.
BUTTON HOLE SEWING MACHINE.
N0. 363,821. Patented May 31', 1887.
V V I Ill I'YZH B55425 %AMAW.
N. Prrzns, mmmm hon Walhingldn. n. c
UNITED STATES PATENT OFFICE.
THOMAS F. HART, on LYNN, MASSACHUSETTS, ASSIGNOR TO MICHAEL L.
HILLER, on NEW YORK, N. Y.
BUTTON-HOLE SEWING-MACHINE.
SPECIFICATION forming part of Letters Patent No. 363,821, dated May 31, 1887.
Application filed May 19, 1886. Serial No. 202,620. (No model.)
To all whom it may concern:
Be it known that I, THOMASF. HART, a citizen of the United States, residing at Lynn, in the county of Essex and State of Massachusetts, haveinvented certain new and useful Improvements in Button-Hole Sewing-Machines; and I do hereby declare that the same are fully described in the following specification, and ill ustrated in the accompanying drawings.
This invention relates to improvements in button-hole sewing-machines for the purpose of sewing with a button-hole stitch along the interior edges of perforated boot or shoe upper fronts, and for other similar purposes where a button-hole sewing-machine or otherkind ofsewing-machine would not be applicable for doing such particular work.
The improvement can be easily applied to any ordinary button-hole sewing-machine, as will hereinafter'be'more fully shown and described, reference being had to the accompanying drawings, where- Figure 1 represents a front elevation of 'a button-hole sewing-machineprovided with my improved attachment. Fig. 2 represents a horizontal section on the line A B, shown in Fig. 1. Fig. 3 represents an end view of the machine and my attachment. Fig. 4 represents a bottom view of the improved attachment. Fig. 5 represents a cross-section on the line C D, shown in Fig. 2. Fig. 6 represents a section on the line E F, shown in Fig. 4'; and
' Fig. 7 represents aplan view of the front portion of a perforated boot or shoe upper. Fig. 8 represents a detail side view of the feed-bar.
Similar letters refer to similar parts wherever they occur on the different parts of the drawings. p
a represents the work-supporting plate, and b the goose-neck, of an ordinary button-hole sewingmachine, as shown in Figs. 1, 2, and 3.
c is the driving-shaft, as usual, located in bearings in the goose-neck of the machine, and provided with pulley c and balance-wheel c, in the ordinary manner. To the driving-shaft c is secured the small bevel-pinion 0 (shown in dotted lines in Fig. 1,) that meshes into the teeth of the bevel-gear d, secured to the vertical shaft d, located, as usual, in bearings in the upright rear portion of the goose-neck b,
asshown in dotted lines in Fig. 1 The shaft d extends downward, as usual, and is provided with connecting mechanism below the plate a,
in the ordinary manner for forming the stitch, such connecting mechanism being, however, not shown in the drawings.
e is the laterally-movable head, as. usual located in guides in the outer endof the gooseneck b, and in such head is vertically movable -neck 12, in the usual manner, as shown'in Fig.
1, said gage-bar having hinged to it at f the connecting-rod f, the rear end of which ispivoted to a rooklever, f actuated by the cam-disk f on the upright shaft d, in the ordinary manner.
To one side of the forward end of the gooseneck I) is secured the bracket 9, (shown in Figs. 2, 3, 4,.and 6,) such bracket having side projections, g 9', that serve as guides for the verticallyadjustable presser-foot bar h, to the lower end of which is secured the presser foot h. (Shown in Figs. 1, 3, and 4.)
In doing the work on this machine it is essential that the presser-foot hshould bear very. lightly on the material, so as to permit it to be fed forward without frictional resistance of the A material between such presser-foot and the needl'e plate a, located on top of the work-plate a, and for this purpose I adjust the position of said resser-foot by the following means, viz:
I is a bracket secured to the goose-neck of the machine, and to such bracket is secured at z" the flat steel spring i, the forward free end of which is forked and resting in a groove on the collar h, that is ad j ustably secured on the presser foot-bar h by means of set-screw if, or similar device, as shown in Figs. 1, 2,'and 3. The downward pressure on the spring-bar z and presser-foot h is regulated by means of set-screw i, screwed through a projection on the bracket I, and having its lower end pressing on thespringbar '6, as shown in Figs. 1, 2, and 5. The presser-foot h is raised, when placing the work between it and the needleplate a, by means of the lever 2' pivoted at i, to bracket I and provided with cam or projection 6 (Shown in Figs. 1 and 4.)
The device for feeding the work relative to the needle is carried out as follows: To the vertical shaft cl are secured two cams, k k, that are located within the four sides Z l l l of the rear end of the lever L, which has hinged at 1, near its forward end, the inclined plate or bar I, the outer end of which is automatically held downward by the influence of a spring, I, placed between the outer ends of lever L and inclined plate Z as shown in Figs. 1 and 6, and theinclination and distance of the outer end of said plate Z from the under side of lever L may be regulated and adjusted by means of a nut, l, and screw-boltl (Shown in said Figs. 1 and 6.) Between its outer and inner end the lever L is guided in the forked fulcrum-piece m. secured in a suitable manner to the lever n, that is pivoted at a to the rear lower portion of the bracket I, as shown in Figs. 2, 4, and 5. The lever on has a slot-hole, n, at or near its free end,through which passes the screw-bolt 0, and after said screw has been inserted through a perforation in the lower portion of bracket I it is firmly secured in place by means of the nut 0.. (Shown in Figs. 1, 2, and 5.) By adjusting the position of lever n, by swinging it on its fulcrum n, it willbe seen thatthe fulcrum-piecem will be brought nearer to or farther from the needle, and thus the rocking motion of the outer end of lever L can be adjusted to a nicety, which rocking motion controls the amount of feed desired.
19 is the feed-bar, having a rear forkedend, p, as usual, that is pivoted at p to a projection, a, attached to work-plate a, as shown in Figs. 2, 3, and 4. The feed-harp has a serrated foot, 19 in its free end, adapted to rest on the work while in the process of being sewed. Between the ends of feed-bar p is a recess, 12, on the upper side, as shown in Fig. 8, in which projects the outer end of lever L and its inclined plate or bar P, as shown in Figs. 3 and G.
The feed-bar p is guided in itsforward-andback motion in a slot or recess, 9, in the lower end ofthe bracket 9, as shown in Fig. ,6, and its free end is automatically raised above the work by theinfluence of the spring 9*, secured in one end to bracket 9, and having its other end pressing on the under side of feed-bar p, as shown in Figs. 3, 4, and 6, when not pressed downward onto the work by the lever L and its inclined plate Z.
g is a slotted pressure-plate adj ustablysecured to the lower portion of the bracket 9 by means of set-screw g (Shown in Figs. 3 and 6.) Such plate 9 is adapted to rest with its lower edge against the upper side of the lever L, and, according to its position on bracket a more or less pressure 'on the feed-bar p is occasioned through the medium of the lever L and its hinged plate Z as thelatter is drawn backward by the cam k.
Q in Fig. 7 represents the front portion of a perforated boot or shoe upper, and q q q represent the perforations thereon, the edges of which are to be button-hole stitched by my improved device. v
a and a" in Fig. 2 are the perforations, as usual, in the needle-plate a, through which the needle passes alternately in forming the stitches.
The operation of the machine is as follows: The article to be button-hole stitched on the edges of its perforations is placed on the needleplate a after the presserfoot h and feedbarphave been raised sufficiently to enable.
the article to be introduced between them and the plate a. The machine is set in operation as usual, and a button-hole stitch formed by the vertically and laterally movable needle, its thread, and the second thread and mechanism below the work-plate a, as is usual on buttonholesewing-Inachines. The feed ofthe material takes place when the needle has passed upward out of it by means of the lever L being drawn backward by the action of cam on the rear projection, Z, of said lever, causing the serrated foot 1) of feed-bar p to be forced onto the upper side of the material by the agency of the inclined plate Z and pressure-plate g, as hereinabove described, after which the cam k acts on one of the side projections l in the end of 9 5 lever L, causing it to be rocked on its fulcrum m, so that its forward end, together with plate Z and feed-bar p, is made to move the desired distance away from the operator, as required for making another stitch. During the completion of the rotation of shaft (1 the lever L is pushed forward by cam k, causing inclined plate Z to release its downward'pressure on feed-bar j), that is then lifted free of the work by the agency of the spring 9", to permit the work to be guided according to its shape and configurations, and so on.
In practice I prefer to make the two cams k andlc independent of each other and secured in a suitable manner to the shaft d, so thattheir respective positions on said shaft may be adjusted to a nicety to obtain the proper movement of the lever L.
' Having thus fully described the nature,construetion, and operation of my invention, I wish to secure by Letters Patent and claim- 1. In a button-hole-stitch sewing-machine, the rotary cams 70 7c, the feed-bar p, and the four-m otion lever L, actuated by said cams and guided in the adjustable fulcrum-piece m, said lever L having hinged to its outerend the spri n gpressed incli ned plate l arranged within the recess 1) of the feed-bar p, as and for the purpose set forth.
2. In a button-hole-stitch sewing-machine, the stationary bracket 9 and adjustable pressureplate g, mounted thereon, combined with the four-motion lever L and its spring-pressed pivoted plate Z and the four-motion feed-bar p, with its spring 9, as and for the purpose set forth.
3. In a button-holestitch sewing-machine,
I I, spring i, secured to it,and having its free end 5. The lever L, having spring-pressedpivconnected to collar 71!, the regulating-screw i, oted inclined plate Z in one end, an adjustable and lever 6 with its cam or projection P, as and for the purpose set forth.
5 4. Ina button-hole-stitch sewing-machine, the four-motion lever L and its pivoted and spring-pressed plate Z andfeed-barp, combined with the adjustable fulcrum-piece m, arranged upon the lever n, the latter being'pivoted to 10 stationary bracket I and provided with fastening-screw device 0 o, as and for the purpose set forth.
fulcrum-piece, m, between its ends, and projecr5 tions Z Z Z I, combined with the feedbar p, the rotary shaft d, and its cams k k, as and for the purpose set forth. In testimony whereof I have aifixed my signature in presence of two witnesses.
THOMAS F. HART. Witnesses:
ALBAN ANnRn N, I HENRY CHADBOURN.
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US363821A true US363821A (en) | 1887-05-31 |
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US363821D Expired - Lifetime US363821A (en) | Button hole sewing machine |
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