Locking device for a bobbin
US7036444B2 · kind B2 · utility
3Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 2004 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Oct 19, 2024 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B57/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A locking device for bobbins (3) in the hook base (1) of a sewing machine is provided by a locking element (21) that can move in the axial direction. The locking element (21) is spring-loaded and lies in an ejection and loading position inclined to the rotational axis (X) of the hook base (1), so that the bobbin (3) can be placed or removed. As soon as the bobbin (3) is inserted into the hook base (1), the locking element (21) tips and locks on the bobbin rod (9).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.