Rotary shuttle device for sewing machine
US6807918B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2002 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Jan 2, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B57/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A rotary shuttle device for a sewing machine, including an outer shuttle having a main body integrally provided with a base portion disposed at the driving shaft, a first supporting portion protruding from one side of the base portion to have a first partial track groove on an inner face thereof, and a second supporting portion protruding from the other side of the base portion opposite to the first supporting portion and having a second partial track groove on an inner face thereof; a track groove member is removably disposed between the first and second supporting portion and has a third partial track groove communicated with the first partial track groove of the first supporting portion and the second partial track groove of the second supporting portion; and a groove member is removably fixed to the second supporting portion of the main body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.