Overlock sewing machine
US4970976A · kind A · utility
7Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Nov 24, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B57/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
There is disclosed an overlock sewing machine. The overlock sewing machine includes a looper switching unit for selecting an overlocking operative state or overlocking inoperative state, a needle clamp member having a first needle holding hole in which two needles are mounted separately in the manner that the two needles are positioned in parallel and a second needle holding hole positioned slightly eccentrically at the front side of the cloth feeding direction and perpendicular to the cloth feeding direction, whereby eight types of overlocking operations and one type of double-loop stitching operation can be effected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.