Speed control apparatus for sewing machine
US4530297A · kind A · utility
4Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 1984 |
| Grant date | Jul 23, 1985 |
| Priority date | — |
| Expiry date | Jan 25, 2004 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B69/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A speed control apparatus for a sewing machine in which two separate circuits are provided for controlling driving, braking and stopping of the sewing machine. An output of one of the speed setting circuits is selected and applied for driving, braking and stopping the sewing machine. Operating levels for the two speed setting circuits are independently adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.