Sewing machine and spool pin stand therefor
US7983782B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2007 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | May 18, 2030 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05D2205/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A sewing machine includes a spool pin stand having spool pins to which thread spools are attachable and seats corresponding to the spool pins, respectively, thread passage defining members located on a thread passage, a sewing data storage unit storing sewing data including at least thread color information about colors of the needle threads, thread supply display units which are located on the spool pin stand so as to correspond to the spool pins respectively, the thread supply display units being configured to produce light which transmits through at least ones of the spool pins and the seats and displaying the thread colors in a color-variable manner, respectively, and a thread color information control unit controlling the thread supply display units based on the thread color information so that thread colors corresponding to the spool pins are displayed by the thread supply display units, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.