US665522A - Tuck-creaser for sewing-machines. - Google Patents
Tuck-creaser for sewing-machines. Download PDFInfo
- Publication number
- US665522A US665522A US1441100A US1900014411A US665522A US 665522 A US665522 A US 665522A US 1441100 A US1441100 A US 1441100A US 1900014411 A US1900014411 A US 1900014411A US 665522 A US665522 A US 665522A
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- US
- United States
- Prior art keywords
- arm
- plate
- creasing
- sewing
- creaser
- 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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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
Definitions
- Figure l is a perspective view of the improved creaser or marker.
- Fig. 2 is a plan view, and Fig. 3 an end view, of the same looking from the left of Fig. 2.
- Fig. 4 is a cross-section on line 4 4 of Fig. 2 looking in the direction of the arrows adjacent to said line.
- Fig. 5 is a view similar to Fig. 4, illustrating a slight modification.
- Fig. 6 is a bottom view of the attachment.
- Fig. 7 is a detail view of the frame of the attachment; Fig. 8, a detail view of the part thereof which carries the creasing members; and Fig. 9, a detail view of the guide, which serves also as a steadying de vice for the adjustable part carrying the creasing members.
- A denotes the foot portion of the attachment, adapted to be secured to the resser-bar of a sewing-machine and taking the place of the ordinary presser-foot, the said foot A being provided with an integral lateral extension or arm at, these two parts constituting the frame of the attachment.
- the B denotes a base-plate carrying the creasing devices, consisting in the present instance of a vibrating arm b, having a right-angular part b, which serves as a pivot for said arm, the said pivot being held between an ear b formed at the rear end of the plate B, and an upwardly-turned rear end portion 0 of the work-holding spring 0', beneath which the work passes and which is riveted at its rear end to the plate B.
- the downwardly-turned forward end of the creasing-arm b is notched for codperation in the creasing operation with an upturned lip b lying beneath the notched end of the said arm.
- the plate B is provided with a steadying arm 5 adapted to rest against the part a of the frame of the attachment, said arm 17 being jointed to the plate B by the laterally-extending portion b of the said plate B.
- D is an edge-guide for the Work to determine the width of the tuck to be sewed, said edge-guide being part of a skeleton plate, one arm d of which is provided with two hooks 01, adapted to overlap the arm or portion a of the frame, and thus steady the adjustable guide on said frame.
- the said arm dis also provided with an index-fingerd
- the baseplate B of the marking members extends through an opening OZ in the guide, the latter serving, in cooperation with the arm 19 on the plate B, to steady the said plate B as it is adjusted toward and from the needle to vary the distance apart of the creases for the tucks to be formed.
- a clamping cap-plate E Overlying the laterally-extending arm a of the frame of the attachment and also overlying the hooks d of the skeleton guide-plate and the arm b of the base-plate B is a clamping cap-plate E, having at its rear end a lug or projection e, entering an aperture a in an upturned lip of at the end of the arm a of the frame, the said cap-plate being held in place by the set-screw f, tapped in the arm a, so that when the said set-screw is tightened the cap-plate will be clamped against the ears (1 of the plate (1 and also against the arm b of the plate B and will thus serve to securely bind all of the parts together; but when the said set-screw is loosened the plate B may be adjusted longitudinally of the attachment to vary the spacing of the creases for the tucks, and the guide D will also be free to be adjusted to vary the width of the tucks.
- the cap-plate E is formed with downturned lips at its sides (see Figs. 1 and 4) and also with a downturned lip at its forward end, (see Fig. 1,) and thus serves not only as a clampingplate, but as a housing to cover and inclose the parts beneath it and give a finished and neat appearance to the attachment.
- the capplate E is provided with a graduated scale 6', adjacent to which is an index 12 movable with the plate B, and the said cap-plate is also provided with a second graduated scale a, adjacent to which is the-index-finger d adjustable with the guide D.
- the foot portion A of the attachment is provided with a small right-angular bracket g, which serves as a pivot for the operatinglever G, which is arranged transversely of the attachment and which preferably consists of two parts g and yieldingly connected, the said part 9' having the upwardly-extending portion g beneath the upper part of which and the arm g is interposed a coil-spring g.
- the part g of the lever G rests upon the creasing-arm b, and the creasing attachment is so located that a screw or other projection on the needle-bar of the sewing-machine comes into an easy sliding contact with the inclined upwardlyextending part g of the part g and through the coil-spring g forces the partg yieldingly downward against the said creasing-arm, thus causing the notched downturned end of said arm to crease the goods lying between it and the lip b of the plate B.
- the arm g is provided with a small projection or hook 9 which extends beneath the arm g and which thus limits the expansion of the coil-spring 9, so that the said parts or arms will travel together during the greater part of their movement; but when thepressure of the needle-barprojection on the arm g of the lever G causes the stress of the said coil-spring to be overcome the said arm g will continue to move downward to a slight extent after the movement of the arm has been arrested.
- an adjustable baseplate carrying the creasing devices which include a vibrating creasing-arm, an adjustable guide, said base-plate and guide both having parts interposed between said lateral extension or arm and said cap-plate and housing, a screw device for rigidly securing the said cap-plate and housing in place, and an operating-lever pivotally mounted on said foot and arranged transverse of the attachment, said operating-lever having a yielding part engaging said vibrating creasing-arm.
- a sewing-machine tuck-creaser the combination with the frame thereof and the base plate B adjust-ably mounted on said frame and provided with a creasing-lip and a vibrating creasing-arm, of an operating-lever for said creasing-arm and which lever is adapted to be moved to an inoperative position, and a forked spring one portion of which serves to lift the said creasing-arm and the other portion of which serves to retain the said operating-lever in its inoperative position.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
No. 665,522. Patented Ian. 8,'|90l. J. M. GBEIST.
TUCKQGREASEB FOB SEWING MACHINES.
(Application filed Apr. 26, 1900.)
(No Model.)
W'JTNESSES:
UNITED STATES PATENT CFFICE.
JOHN M. GREIST, OF NEW HAVEN, CONNECTICUT.
TUCK-CREASER FOR SEWING-MACHINES.
SPECIFICATION forming part of Letters Patent No. 665,522,dated J 1901;
Application filed April 26, 1900. Serial No. 14,411. (No model.)
To all whom it may concern:
Be it known that 1, JOHN M. GREIST, a citizen of the United States, residing at New Haven, in the county of New Haven and State of Connecticut, have invented certain new and useful Improvements in Sewing-Machine Tuck-Creasers, of which the following is a specification, reference being bad therein to the accompanying drawings.
This invention relates to that class of sewing-machine tuck creasers or markers adapted to be attached to the presser-bar of a sewing-machine in place of the ordinary presserfoot and in which the creasing of the work is effected by a vibrating arm operated from the needle-bar of the machine in codperation with a lip or projection upon which the work lies, the invention having for its object to provide a creasing attachment of the class referred to which is simple and compact in construction and in which the vibrating creasing-arm will be properly cushioned, so that the movements of the needle-bar may be imparted thereto in a smooth and easy manner, thereby avoiding any harsh contacts between the operating parts, as Well as providing for a proper yielding action of the creasing-arm upon the goods. The invention also provides a convenient means for throwing the creaser out of action when desired.
In the accompanying drawings, Figure l is a perspective view of the improved creaser or marker. Fig. 2 is a plan view, and Fig. 3 an end view, of the same looking from the left of Fig. 2. Fig. 4 is a cross-section on line 4 4 of Fig. 2 looking in the direction of the arrows adjacent to said line. Fig. 5 is a view similar to Fig. 4, illustrating a slight modification. Fig. 6 is a bottom view of the attachment. Fig. 7 is a detail view of the frame of the attachment; Fig. 8, a detail view of the part thereof which carries the creasing members; and Fig. 9, a detail view of the guide, which serves also as a steadying de vice for the adjustable part carrying the creasing members.
In the drawings, A denotes the foot portion of the attachment, adapted to be secured to the resser-bar of a sewing-machine and taking the place of the ordinary presser-foot, the said foot A being provided with an integral lateral extension or arm at, these two parts constituting the frame of the attachment.
B denotes a base-plate carrying the creasing devices, consisting in the present instance of a vibrating arm b, having a right-angular part b, which serves as a pivot for said arm, the said pivot being held between an ear b formed at the rear end of the plate B, and an upwardly-turned rear end portion 0 of the work-holding spring 0', beneath which the work passes and which is riveted at its rear end to the plate B. The downwardly-turned forward end of the creasing-arm b is notched for codperation in the creasing operation with an upturned lip b lying beneath the notched end of the said arm. The plate B is provided with a steadying arm 5 adapted to rest against the part a of the frame of the attachment, said arm 17 being jointed to the plate B by the laterally-extending portion b of the said plate B.
D is an edge-guide for the Work to determine the width of the tuck to be sewed, said edge-guide being part of a skeleton plate, one arm d of which is provided with two hooks 01, adapted to overlap the arm or portion a of the frame, and thus steady the adjustable guide on said frame. The said arm dis also provided with an index-fingerd The baseplate B of the marking members extends through an opening OZ in the guide, the latter serving, in cooperation with the arm 19 on the plate B, to steady the said plate B as it is adjusted toward and from the needle to vary the distance apart of the creases for the tucks to be formed.
Overlying the laterally-extending arm a of the frame of the attachment and also overlying the hooks d of the skeleton guide-plate and the arm b of the base-plate B is a clamping cap-plate E, having at its rear end a lug or projection e, entering an aperture a in an upturned lip of at the end of the arm a of the frame, the said cap-plate being held in place by the set-screw f, tapped in the arm a, so that when the said set-screw is tightened the cap-plate will be clamped against the ears (1 of the plate (1 and also against the arm b of the plate B and will thus serve to securely bind all of the parts together; but when the said set-screw is loosened the plate B may be adjusted longitudinally of the attachment to vary the spacing of the creases for the tucks, and the guide D will also be free to be adjusted to vary the width of the tucks. The cap-plate E is formed with downturned lips at its sides (see Figs. 1 and 4) and also with a downturned lip at its forward end, (see Fig. 1,) and thus serves not only as a clampingplate, but as a housing to cover and inclose the parts beneath it and give a finished and neat appearance to the attachment. The capplate E is provided with a graduated scale 6', adjacent to which is an index 12 movable with the plate B, and the said cap-plate is also provided with a second graduated scale a, adjacent to which is the-index-finger d adjustable with the guide D.
The foot portion A of the attachment is provided with a small right-angular bracket g, which serves as a pivot for the operatinglever G, which is arranged transversely of the attachment and which preferably consists of two parts g and yieldingly connected, the said part 9' having the upwardly-extending portion g beneath the upper part of which and the arm g is interposed a coil-spring g. The part g of the lever G rests upon the creasing-arm b, and the creasing attachment is so located that a screw or other projection on the needle-bar of the sewing-machine comes into an easy sliding contact with the inclined upwardlyextending part g of the part g and through the coil-spring g forces the partg yieldingly downward against the said creasing-arm, thus causing the notched downturned end of said arm to crease the goods lying between it and the lip b of the plate B. The arm g is provided with a small projection or hook 9 which extends beneath the arm g and which thus limits the expansion of the coil-spring 9, so that the said parts or arms will travel together during the greater part of their movement; but when thepressure of the needle-barprojection on the arm g of the lever G causes the stress of the said coil-spring to be overcome the said arm g will continue to move downward to a slight extent after the movement of the arm has been arrested.
The creasing-arm b is lifted by one arm of a forked spring 7t, secured in place by the setscrew f, said spring having a second arm, the end portion 7b of which extends beneath the end of the operating arm or lever G, which has a rectangular end portion against which the portion It of said spring bears, so as to serve to hold the lever either in the operating position (shown in full lines in Fig. 3) orin the inoperative position (shown in dotted lines in said figure) when the said lever has been raised to throw the creaser out of action.
Instead of making the operating-lever G of two rigid arms orparts, as g 9 yieldingly connected, the said lever may consist of one rigid arm g and a spring-arm, as g consisting of a rather stiff piece of steel wire, as shown in Fig. 5.
Having thus described my invention, I
claim and desire to secure ent 1. In a sewing-machine tuck-creaser, the combination with a presser-toot having a lateral extension or arm, as a, of a clamping capplate and housing overlying said arm, an adjustable base-plate carrying the creasing devices, an adjustable guide having an opening through which the base-plate of the creasing devices extends and which base-plate is thus steadied by said guide, said base-plate and guide both having parts interposed between said lateral extension or arm and said capplate and housing, a screw device for rigidly securing the said clamping cap plate and housing in place, and a vibrating operatinglever for said creasing devices.
2. In a sewing-machine tuck-creaser, the combination with a presser-foot having a lateral extension or arm, as a, provided at its end with an upturned lip, as at, having an aperture, a clamping cap-plate or housing E having at its rear end a lug or projection, as
by Letters Pat- 'e, entering said aperture, an adjustable baseplate carrying the creasing devices which include a vibrating creasing-arm, an adjustable guide, said base-plate and guide both having parts interposed between said lateral extension or arm and said cap-plate and housing, a screw device for rigidly securing the said cap-plate and housing in place, and an operating-lever pivotally mounted on said foot and arranged transverse of the attachment, said operating-lever having a yielding part engaging said vibrating creasing-arm.
3. In a sewing-machine tuck-creaser, the combination with the frame thereof and the creasing devices adjustably mounted on said frame and includingavibratingcreasingarm, of an operating-lever for said arm and which lever is adapted to be moved to an inoperative position, and means for holding said lever in its inoperative position when it has been thrown out of action.
4. In a sewing-machine tuck-creaser, the combination with the frame thereof consisting of the foot A and the lateral extension or arm a integral therewith, of the clamping capplate E extending lengthwise of the attachment and having downturned lips, as described, so as to serve as a housing, the adjustable base-plate B having a creasing-lip, the vibrating creasing-arm I) mounted on said base-plate, the transverse lever G for operating said creasing-arm and having an upwardly-extending inclined portion to be engaged by a projection on the needle-bar of the machine, said operating-lever having a yielding part engaging said creasing-arm, an adjustable guide, said base-plate and guide having parts interposed between said lateral extension or arm and said plate E, a screw device for securing said cap-plate E in place, and a spring forlifting the said vibrating arm after it has been depressed by the said operating-lever.
5. In a sewing-machine tuck-creaser, the
combination with the frame thereof, of the said spring g and the spring h for lifting said vibrating creasing-arm.
6. In a sewing-machine tuck-creaser, the combination with the frame thereof and the base plate B adjust-ably mounted on said frame and provided with a creasing-lip and a vibrating creasing-arm, of an operating-lever for said creasing-arm and which lever is adapted to be moved to an inoperative position, and a forked spring one portion of which serves to lift the said creasing-arm and the other portion of which serves to retain the said operating-lever in its inoperative position.
7. In a sewing-machine tuck-creaser, the combination with the frame consisting of the foot A and the lateral extension or arm a, of the base-plate B carrying the creasing devices and having the steadying-arm 17 overlying the said arm Ct, the guide D having the hooks or parts d engaging the said arm a,- the clamping cap-plate E overlying the said arm 12 and the said hooks or parts 01, a screw device for securing said cap-plate to said arm a, and operating means for the creasing de-' vices.
In testimony whereof I affix my signature in the presence of two witnesses.
JOHN M. GREIST.
Witnesses:
W. J. SMITH,
L. A. BEEOHER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1441100A US665522A (en) | 1900-04-26 | 1900-04-26 | Tuck-creaser for sewing-machines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1441100A US665522A (en) | 1900-04-26 | 1900-04-26 | Tuck-creaser for sewing-machines. |
Publications (1)
Publication Number | Publication Date |
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US665522A true US665522A (en) | 1901-01-08 |
Family
ID=2734078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US1441100A Expired - Lifetime US665522A (en) | 1900-04-26 | 1900-04-26 | Tuck-creaser for sewing-machines. |
Country Status (1)
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US (1) | US665522A (en) |
-
1900
- 1900-04-26 US US1441100A patent/US665522A/en not_active Expired - Lifetime
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