Sewing machine for sewing safety relevant seams, such as airbag tear seams, has preset stitch length, upper thread and lower thread, where special yarn cone and special reel

摘要

The sewing machine (1) has a preset stitch length, an upper thread and a lower thread, where the special yarn cone (2) and the special reel (4) and their geometric measurements deflect from standard measurements. The sewing machine sided support (6) and the sewing machine sided shells (7) are formed for the special yarn cone and for the special reel respectively.