Bobbin changing device

with 8 bobbins on the tray, which can be changed automatic when the senser  detect the less thread.

1. This automatic bobbin changing device is equipped with 8 bobbins, which can be changed without thread, which can reduce the time for employees to change bobbin.

2. Put the 8 bobbins on the bobbin tray manually, and then the pattern sewing machine system will change bobbin automatically according to the sewing machine bobbin thread through the manipulator of this device

3. To improve production efficiency and quality, the worker no need to worry that there is no thread to fill the needle.

4. This device can be applied to most Brother type pattern sewing machines.