US133757A - Improvement in sewing-machines - Google Patents
Improvement in sewing-machines Download PDFInfo
- Publication number
- US133757A US133757A US133757DA US133757A US 133757 A US133757 A US 133757A US 133757D A US133757D A US 133757DA US 133757 A US133757 A US 133757A
- Authority
- US
- United States
- Prior art keywords
- sewing
- machines
- improvement
- chandler
- needle
- 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
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
Definitions
- Patente dDec.1 0,1872.
- My invention relates to an adjustable lifting device for the pressurefoot of sewingmachines; its object being to raise the pressurefoot automaticallyto a certain yet variable point while the needle is in the work and release it again before the needle leaves the work, so as to enable the operator the better to turn corners and curves without changing the length of stitch, the material being easily turned while the machine is rnnnin g, turning always on the needle as its center, thereby leaving no chance for the cloth to slip under the point of the needle and make uneven stitches, which is of great importance in making ornamental work or making designs from patterns.
- My improvement may be readily attached to any sewing-machine having either the top or under feed, and is constructed as follows,
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
R. CHANDLER.
Sewing-Machine.
No. 133,757. Patente dDec.1 0,1872.
Witue sees:
AM FHDTOi/THDGEAF'HIC CQMYIOSBORNELS PROCESS) UNITED STATES PATENT QFFICE.
RUFUS CHANDLER, OF NEW YORK, n. Y.
IMPROVEMENT IN SEWING-MACHINES.
Specification forming part of Letters Patent No. 133,757, dated December 10, 1872.
To all whom it may concern:
Be it known that I, RUFUS CHANDLER, of New York city, in the county and State of New York, have invented. certain Improvements in Sewing-Machines, of which the following is a specification My invention relates to an adjustable lifting device for the pressurefoot of sewingmachines; its object being to raise the pressurefoot automaticallyto a certain yet variable point while the needle is in the work and release it again before the needle leaves the work, so as to enable the operator the better to turn corners and curves without changing the length of stitch, the material being easily turned while the machine is rnnnin g, turning always on the needle as its center, thereby leaving no chance for the cloth to slip under the point of the needle and make uneven stitches, which is of great importance in making ornamental work or making designs from patterns.
My improvement may be readily attached to any sewing-machine having either the top or under feed, and is constructed as follows,
reference being had to the drawing and to the letters of reference marked thereon, in which- A is a lever, attached to the machine by a stud, B, which serves as its fulcrum. A cam, U, is placed upon the main shaft H, and communicates motion to theleverAso as to cause it to raise the pressure-bar D, to which it is connected by the slotted piece E, which forms part of the lever, and is for the purpose of adjustingt-he length of the lever A so as to give greater or less motion to the pressure-bar, thereby raising the pressure-foot higher or lower, as may be desired by the operator.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is
The combination and arrangement of the adjustable lever A- E, the stud B, and cam 0, when combined and arranged as and for the purpose set forth.
I RUFUS CHANDLER. Witnesses:
J. W. HOLMAN, A. LANGRIDGE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US133757A true US133757A (en) | 1872-12-10 |
Family
ID=2203173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133757D Expired - Lifetime US133757A (en) | Improvement in sewing-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US133757A (en) |
-
0
- US US133757D patent/US133757A/en not_active Expired - Lifetime
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