Needle thread feed regulating device for overseaming sewing machine
US5085159A · kind A · utility
1Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1989 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Mar 31, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B49/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A needle thread feed regulating device utilized in high speed overedge sewing machines which form safety stitches composed of overedge stitches and double chain stiches. The needle thread feed regulating device comprises a thread guide mounted on the sewing machine frame and an oscillating thread guide which moves in cooperation with the sewing machine main shaft. The oscillating thread guide has a cam plate which regulates the feed of both the thread for overedge stitches and the thread for double chain stitches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.