The reason for improving this machine is for faster production of garments and other material items.
Decrease manual sewing work for people
They explained how it made sew faster by making it less manual
One of the big pushes was the automatic threading bobbin. It made sewing quicker.
An innovative step would be if it threaded without the bobbin or hands free threading.
Used to stitch fabric and now has grown to decrease manual sewing work
If the sewing machine was inovated to not have to have a bobbin.
Yes we see continued innovation.
Creative/Innovation designers will continue to drive the process of innovation as the sewing industry grows