Driving arrangement for the drive elements for threading the upper thread into the eye of the needle of a sewing machine
US7448336B2 · kind B2 · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2007 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Feb 28, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B55/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A drive arrangement for the drive elements for the threading of the upper thread into the eye of a sewing machine needle is provided. Instead of individual drives for lowering the threading device and rotating it as well as threading the thread regulator to deflect the upper thread around the thread brake, drives not used at that time for the needle rod, the presser foot pressure, and the thread brake are utilized. In this way, two to three additional electric drives can be omitted and thus the controlling expense can be reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.