Electric sewing machine
US4301754A · kind A · utility
2Cited by
4References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 1, 1979 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Jun 1, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B19/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention is directed to an electric zig zag sewing machine comprising a plurality of stacked pattern cams mounted on a rotation axis, each of the cams bearing different information of corresponding pattern of stitches, a cam follower mounted on a rod for movement in the direction parallel to said axis, a plurality of select switches for selecting any one of the pattern cams and electric control circuit arrangement for moving the cam follower to a position corresponding to any one of the cams selected by one of the select switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.