Shuttle hook driver for sewing machine
US6105522A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1999 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Feb 8, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B57/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A shuttle hook driver for a sewing machine includes a stepping motor for driving a shuttle hook capturing a thread loop in cooperation with a sewing needle, the stepping motor including a drive shaft, the shuttle hook including a hook shaft, an elastic member provided on a connecting member connecting between an end of the drive shaft of the stepping motor and an end of shuttle hook so as to be capable of transmitting a driving force of the drive shaft to shuttle hook and of buffing, and a damping mechanism provided on the connecting member for damping rotation of each one of the hook shaft and the drive shaft relative to the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.