GB190428910A - Improvements in Work Clamps for Sewing Machines - Google Patents
Improvements in Work Clamps for Sewing MachinesInfo
- Publication number
- GB190428910A GB190428910A GB190428910DA GB190428910A GB 190428910 A GB190428910 A GB 190428910A GB 190428910D A GB190428910D A GB 190428910DA GB 190428910 A GB190428910 A GB 190428910A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clamp
- buttonhole
- sewing machines
- jaws
- lugs
- 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
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
28,910. Fairweather, W., [Singer Manufacturing Co.]. Dec. 30. Buttonhole-sewing machines.-Relates to improvements in the work-clamp of the buttonhole-sewing machine described in Specification No. 261, A.D. 1904, whereby the material round the buttonhole is stretched in closing the clamp. Hinged to lugs 7, laterally adjustable on the usual clamp-plate 3, are two serrated jaws 9. When the clamp is open, as shown in Fig. 3, they are held inclined, as shown by springs 13. In closing the clamp, the jaws first engage the material, and then, as the lugs 7 further descend, the jaws are forced apart, and the portion of the material between them uniformly stretched.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190428910T | 1904-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190428910A true GB190428910A (en) | 1905-02-02 |
Family
ID=32192796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190428910D Expired GB190428910A (en) | 1904-12-30 | 1904-12-30 | Improvements in Work Clamps for Sewing Machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190428910A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162985A (en) * | 1973-10-01 | 1979-07-31 | The Lubrizol Corporation | Multigrade lubricants containing interpolymers |
-
1904
- 1904-12-30 GB GB190428910D patent/GB190428910A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162985A (en) * | 1973-10-01 | 1979-07-31 | The Lubrizol Corporation | Multigrade lubricants containing interpolymers |
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