US189716A - Improvement in feed-dogs for sewing-machines - Google Patents
Improvement in feed-dogs for sewing-machines Download PDFInfo
- Publication number
- US189716A US189716A US189716DA US189716A US 189716 A US189716 A US 189716A US 189716D A US189716D A US 189716DA US 189716 A US189716 A US 189716A
- Authority
- US
- United States
- Prior art keywords
- feed
- sewing
- machines
- improvement
- dogs
- 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
- 238000009958 sewing Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
Definitions
- a feed-dog such as used in universal-feed sewingmachines.
- This feeddog is circular, and provided with teeth a, which may be made to extend clear round in an unbroken circle, or which may be made to occupy only sections of a circle. Outside of these teeth is a smooth rim, 1), so that if the lower thread curls up and bears against any portion of the edge of the feed-dog, it is not liable to catch in the teeth of the same.
- the circular feed-dog A having the circularly-arranged teeth a, and constructed with the circumferential smooth flange 10 outside of the teeth, as and for the purpose described.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
H. FEYH.
FEED-DOG FOR SEWING-MACHINE.
No. 189,716. Patented April 17. 1877.
UNITED STATES HENRY FEYH, OF NEW YORK,
PATENT Orrron.
N. Y., ASSIGNOR TO SETH W. JOHNSON, OF SAME PLACE.
IMPROVEMENT IN FEED-DOGS FOR SEWING-MACHINES.
Specification forming part of Letters Patent No. 189,716, dated April 17, 1877; application filed February 7, 1877 To all whom it may concern:
Be it known that I, HENRY FEYH, of the city, county, and State of New York, have invented a new and useful Improvement in Feed-Dogs for Sewing-Machines, which improvement is fully set forth in the following specification, reference being had to the accompanying drawing, in which- Figure 1 represents a plan or top view of a circular feed-dog constructed according to my thread from catching in the teeth of the feeddog.
In double-thread sewing-machines, the lower thread, particularly if it is hard twisted, is liable to twist and to curl up, and as it comes in contact in this state with the edge of the feed-dog it catches in the teeth of the same, and the operation of the machine is disturbed.
This occurs very frequently in sewing-machines with a universal feed, since in sewing round various curves the tendency of the lower thread to twist and curl up is increased, and in the example represented in Figs. 1 and 2 of the drawing, I have shown a feed-dog, A, such as used in universal-feed sewingmachines. This feeddog is circular, and provided with teeth a, which may be made to extend clear round in an unbroken circle, or which may be made to occupy only sections of a circle. Outside of these teeth is a smooth rim, 1), so that if the lower thread curls up and bears against any portion of the edge of the feed-dog, it is not liable to catch in the teeth of the same.
What I claim as new, and desire to secure by Letters Patent, is
The circular feed-dog A, having the circularly-arranged teeth a, and constructed with the circumferential smooth flange 10 outside of the teeth, as and for the purpose described.
In testimony that I claim the foregoing I have hereunto set my hand and seal this 31st day of January, 1877.
HENRY FEYH. [L. s.|
Witnesses:
W. HAUFF, E. F. KASTENHUBER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US189716A true US189716A (en) | 1877-04-17 |
Family
ID=2259123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US189716D Expired - Lifetime US189716A (en) | Improvement in feed-dogs for sewing-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US189716A (en) |
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0
- US US189716D patent/US189716A/en not_active Expired - Lifetime
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