Sewing machine stitch length override and feed balance for digital feed actuators
US4167912A · kind A · utility
6Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1977 |
| Grant date | Sep 18, 1979 |
| Priority date | — |
| Expiry date | Oct 31, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05D2207/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine is disclosed wherein positioning of the work feeding regulator is controlled by a digital actuator responsive to digital signals applied thereto. The positioning of the work feeding regulator is thereby adjustable in discrete increments. A manual override and feed balance mechanism is provided for effecting continuous positioning of the work feeding regulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.