GB190709508A - Improvements in or relating to Sewing Machines. - Google Patents
Improvements in or relating to Sewing Machines.Info
- Publication number
- GB190709508A GB190709508A GB190709508DA GB190709508A GB 190709508 A GB190709508 A GB 190709508A GB 190709508D A GB190709508D A GB 190709508DA GB 190709508 A GB190709508 A GB 190709508A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- lever
- feed
- usual
- bracket
- 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
9508. Brown, J. A. April 24. Crank linkages. -A reversible feed for fabrics and the like in sewing or other machines is operated by a cam mechanism which does not require that the slots in the plate for the reception of the feed-dogs shall be any longer than is necessary for the usual simple feed. As applied to the sewing-machine, the feed-bar is operated in the well-known manner from the usual rising shaft o and the transverse shaft n. The transverse shaft n is oscillated by the usual segmental lever x splined to the shaft y, which is actuated through the special cam mechanism by the shuttle shaft g. An oblique cylinder 14 is fixed upon the shaft g, so that the eccentricity of the two ends are in directions at right-angles to each other. The cylinder is embraced by a forked end 17 of a cylindrical rod 20 mounted in a lever bracket 19 fixed to the shaft y. The shaft y is axially slidable in the bearing 21 and in the boss of the lever x, the boss of which is pivoted in the bracket 23. To reverse the feed, the shaft y is moved from right to left, carrying with it the lever bracket 19 and the rod 17, by a treadle lever 26 which is connected to the end of the shaft y by any suitable means. In modifications, the oblique cylinder instead of the shaft y may be moved axially, and the oblique cylinder may be replaced by a pair of eccentrics connected together by an oblique surface and operating a tappet lever.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190709508T | 1907-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190709508A true GB190709508A (en) | 1908-03-26 |
Family
ID=32548706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190709508D Expired GB190709508A (en) | 1907-04-24 | 1907-04-24 | Improvements in or relating to Sewing Machines. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190709508A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE852196C (en) * | 1949-05-07 | 1952-10-13 | Duerkoppwerke Ag | Sewing machine with devices for adjusting the stitch length and reversing the feed direction of the material slide |
DE955192C (en) * | 1951-09-13 | 1956-12-27 | Husqvarna Vapenfabriks Ab | Adjustable eccentric, especially for sewing machines |
-
1907
- 1907-04-24 GB GB190709508D patent/GB190709508A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE852196C (en) * | 1949-05-07 | 1952-10-13 | Duerkoppwerke Ag | Sewing machine with devices for adjusting the stitch length and reversing the feed direction of the material slide |
DE955192C (en) * | 1951-09-13 | 1956-12-27 | Husqvarna Vapenfabriks Ab | Adjustable eccentric, especially for sewing machines |
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