Patent ID: 8925473
Filing Date: 2015-01-06
Classification: D05B

Abstract:
1. A method for cutting at least an upper thread of a sewing machine, wherein a length of the thread consumed for a cut can be set within a predetermined interval, said sewing machine having a thread feeder for the upper thread, a thread cutter, a fabric clamping member, a processor for controlling said thread cutter, thread feeder, and fabric clamping member, and a memory, the sewing machine also having an adjustable height presser foot, the method comprising: feeding by said thread feeder a predetermined length (x) of said upper thread to be consumed in a cut sequence, pulling out the upper thread said predetermined length by displacing a displacement of said fabric clamping member from a first position to a second position, instructing the processor to execute at least one program sequence stored in the memory, the at least one program sequence configured to operate said thread cutter to perform a cut of at least said upper thread.