Two-needle sewing machine
US6305304A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1998 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Nov 23, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B57/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The sewing machine comprises two hooks 27a and 27b which are respectively disposed in such a manner as to correspond to two needles 7 and 7 provided in the present sewing machine, hook gap adjusting device 33-35 respectively for changing the gap between the two hooks 27a and 27b, drive device 36 for driving the hook gap adjusting device 33-35, transmission device 37-41 respectively for transmitting the driving of the drive device 36 to the hook gap adjusting device 33-35, and control device 50 for controlling the driving of the drive device 36 to thereby control the above gap between the two hooks, whereby the sewing machine is able to move the hooks 27a and 27b easily only by driving the drive device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.