Patent ID: 7353761

Claim:
Sewing machine comprising at least one needle ( 8 ) for creating a hemstitch in a fabric ( 1 ) and a feed dog ( 31 ) for advancing the fabric, wherein an axis (V 1 ) of the at least one needle ( 8 ) extends at an acute angle (alpha) to an axis (Y) of at least one piercer (C), the needle ( 8 ) is driven by a needle bar drive in a direction of the axis (V 1 ), and the piercer (C) is driven by a piercer drive in a direction of the axis (Y) of the piercer (C), the at least one piercer (C), viewed in a sewing direction ( 5 ), is arranged at a side of the needle ( 8 ) and comprises a slot ( 27 ) extending in the piercer (C) or at least one side groove ( 28 ) formed on a periphery of the piercer (C), through which the at least one needle ( 8 ) can pass laterally within a piercer cross section during stitch formation, and the at least one needle comprises two needles ( 8 , 9 ) arranged axially symmetric to the piercer (C) lying in a V shape which cross in the slot ( 27 ) in the piercer (C) or in the at least one side groove ( 28 ) during the stitch formation within the piercer cross section.