US387029A - Chaeles h - Google Patents
Chaeles h Download PDFInfo
- Publication number
- US387029A US387029A US387029DA US387029A US 387029 A US387029 A US 387029A US 387029D A US387029D A US 387029DA US 387029 A US387029 A US 387029A
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- US
- United States
- Prior art keywords
- trimming
- machine
- sewing
- fabric
- cutter
- 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
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- 238000009966 trimming Methods 0.000 description 28
- 239000004744 fabric Substances 0.000 description 24
- 238000009958 sewing Methods 0.000 description 8
- 240000007600 Lysimachia clethroides Species 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000009957 hemming Methods 0.000 description 4
- 241000507564 Aplanes Species 0.000 description 2
- 210000003800 Pharynx Anatomy 0.000 description 2
- 206010046736 Urticarias Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
Definitions
- PETERS Phomumo har. wuhin tun. I), c.
- FIG. 4 is a sectional view illustrating the operation.
- the guide N which is the principal feature of the present invention, is so arranged that it will direct or keep away from the edges of the cutters F G the fabric not to be cut, which in welting or hemming is the main body of the article. As shown, it is attached to the clothplate or work-plate E and comprises a standard or base, n, and a finger, p, projecting in front of the cutter F at about the level of the point of said cutter in its highest position. It thus effectually prevents the fabric from being caught by the point of the cutter.
- the front of the fingerp is rounded, so that the fabric will ride easily over it.
- the edge or margin to be trimmed off passes under thefingerp and between the edges of the cutters F G.
- the guide for diverting thelayer' or layers not to be out can be combined with various kinds of trimmers. It is shown combined with a shear-trimmerhaving one vibratory and one stationary blade. It can be combined with a shear-trimmer having a blade reciprocatingin right lines, orhaving one or two rotary concentric or eccentric disks, or with a knife-trimmer in which a reciprocating or a revolving knife works through a slot, or in fine with any ordinary or suitable style of trimmer.
- WVhat I do claim herein is- 1.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
(No Model.) O. H. WILLOOX.
TRIMMING ATTACHMENT FOR SEWING MACHINES. No. 387,029.
Patented July 31, 1888.
PETERS. Phomumo har. wuhin tun. I), c.
UNITED STATES PATENT OFFICE.
CHARLES H. WILLCOX, OF NEW YORK, N. Y., ASSIGNOR TO THE \VILLCOX & GIBBS SEVING MACHINE COMPANY, OF SAME PLACE.
TRIMMING ATTACHMENT FOR SEWING-MACHINES.
SPECIFICATION forming part of Letters Patent No. 387,029, dated July 3], 1888.
Application filed June 2, 1882. Serial No. 63,046. (No model.)
To aZZ whom it may concern:
Be it known that I, CHARLES H. WILLooX, of New York city, in the county and State of New York, have invented a new and useful Improvement in Trimming Attachments for Sewlng-Machines, which improvement is fully set forth in the following specification.
This invention has reference to trimming attachments for cutting one of superposed layers, leaving the other uncut, and more particularly to such attachments when so combined w th the sewing-machine as to adapt them to trimming the edge of plain or singleturn welts or hems or knit goods.
The invention consists, generally, in combin ng with a sewing-machine trimmer of any ordlnary or suitable construction a guide for diverting the layer or layers to be left uncut away from the trimming mechanism, leaving the other layer or layers to be acted upon and severed. It, however, comprises also certain special constructions, as indicated below.
In the accompanying drawings, which form a part of this specification, a portion of a comblned sewing and trimming machine, 01' sewlug-machine with trimming attachments sufficlent to illustrate the invention, is represented.
Flgurelis aplan view; Fig. 2, an end view, partly in vertical section; and Fig. 3, a front view. Fig. 4 is a sectional view illustrating the operation.
Thesewing-machine is the well-known \Villco x & Gibbs singlethread chain -stitch machine, A being the machine-frame; B, the needleand needle-bar; B, the presser-bar; O, the mam shaft; 0, thelooper; L, the presser-foot; E, the cloth or work plate, and H the feedbar. The trimming attachment has the vibratory cutter F and the edge of the stationary cutter G on the opposite side of the needle from the goose-neck, (the lower part of which isshown to the right, Fig. 1;) but otherwise the trimming mechanism is constructed as shown in Figs. 12 to 15 of the drawings annexed to Letters Patent No. 255,578, dated March 28, 1882, and granted to the Willcox 8t Gibbs Sewing Machine Company, as assignees of S. Borton and myself.
D is the rock-shaft, carrying the vibratory cutter and capable of slight endwise movement in its bearings; l, the spring for holding the edges of the cutters in contact, and K the adjustable back-stop. The rock-shaft D is operated from an eccentric on the main shaft through an arm, a, attached to the rock-shaft, a pin, b, andlink c. The cutterG is formed of a bar or plate ground on the end, and is set in a dovetail in the cloth or throat plate and held in place by the set screw d.
111 order to allow the cutter-bar G to project across the line of sewing, the feed-surface is divided into two parts, e 6. (See plan and end views.) This arrangement, as it allows the feedsurface to take hold of the fabric both in front and rear of the cutters, is advantageous in operation by keeping the fabric always stretched and preventing puckering.
The guide N, which is the principal feature of the present invention, is so arranged that it will direct or keep away from the edges of the cutters F G the fabric not to be cut, which in welting or hemming is the main body of the article. As shown, it is attached to the clothplate or work-plate E and comprises a standard or base, n, and a finger, p, projecting in front of the cutter F at about the level of the point of said cutter in its highest position. It thus effectually prevents the fabric from being caught by the point of the cutter. The front of the fingerp is rounded, so that the fabric will ride easily over it. The edge or margin to be trimmed off passes under thefingerp and between the edges of the cutters F G. The presser-foot is cut away on the side from a point opposite the fingerp to the rear, so as to allow the uncut fabric which is diverted by the fingerp of guide N and rides over the top of the cutter F to pass between the said finger p and cutter F and the resser-foot. The latter, however,whenlet down, isstillsnfficiently close to the cutting-edges to clamp the fabric firmly.
In hemming or welting knit goods the curl at the edges is liable to interfere with the action of the trimmer. To uncurl and flatten the margin to be trimmed a slot is formed in the cloth-plate E near the needle-hole, and on the edge of the slot nearest the needle-hole is a projection, M, Fig. 1. This projection is curved in front, and as the goods arefed gradually it sprcadsthc curled edge so that the out ters may act upon the flattened fabric.
It is obvious'that modifications may be made in the details of construction without departing from the spirit of the invention, and that parts of said invention may be used separately. For example, the guide for diverting thelayer' or layers not to be out can be combined with various kinds of trimmers. It is shown combined with a shear-trimmerhaving one vibratory and one stationary blade. It can be combined with a shear-trimmer having a blade reciprocatingin right lines, orhaving one or two rotary concentric or eccentric disks, or with a knife-trimmer in which a reciprocating or a revolving knife works through a slot, or in fine with any ordinary or suitable style of trimmer.
Having now fully described my said invention and the mannerof carrying the saineinto efi'ect, I would observe, in conclusion, that I do not claim, broadly, a sewing machine attaclr.
meut for trimming one of two superposedlayers, nor any of the matters claimed in my applicaiion filed of even date herewith and numbered 62,516; but
WVhat I do claim herein is- 1. The combination, with the sewing-machine and trimming attachment, of the diverting-guide secured to the cloth-plate and hav-,
ing a finger projecting in front of the cutters close to the presser foot, said finger .being raised above the cloth-plate to permit the passage of one or more layers of fabric to said cutters, substantially as described.
2. The combination of a trimming attachment, a diverting-guide, and a device for uncurling or flattening the margin to be trimmed 05, substantially as described.
3. In a sewing-machine with trimmer attachment, the feedsurface divided transversely portion arranged on the side of the needle away from the goose-neck, and a divertingguide arranged on the same side of the needle in front of said cut-ting portion, and having a projecting finger raised above the cloth-plate to permit the'passage of a layer or layers of fabric to the cutters, substantially as described.
6. The combination, in a sewing machine with trimmer attachment, of the vibratory and stationary cutters, the diverting-guide, and the uncurling device arranged on theside of the needle opposite from the goose-neck of the machine, substantially as described.
7. The combination,with the stitch-forming mechanism and presser'foot of a sewing-machine, of a feed-bar having a divided feed-surface, and trimming devieeslocated below said presser-foot and crossing said feed-bar, said trimming devices having means for operating them, substantially as described.
In testimony whereof I have signed this specification in the presence of two subscrib ing witnesses.
CHAS. H. WILLCOX.
Witnesses:
E. A RACE, S. A. SWART.
Publications (1)
Publication Number | Publication Date |
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US387029A true US387029A (en) | 1888-07-31 |
Family
ID=2456013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US387029D Expired - Lifetime US387029A (en) | Chaeles h |
Country Status (1)
Country | Link |
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US (1) | US387029A (en) |
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- US US387029D patent/US387029A/en not_active Expired - Lifetime
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