DEVICE FOR SEWING MACHINE DESIGNED FOR CUTTING MATERIAL BEING STITCHED Russian patent published in 2014 - IPC D05B37/08 

FIELD: textiles, paper.

SUBSTANCE: device 20 for a sewing machine, designed for cutting a material being stitched, comprises a stationary frame 41 which is rigidly attached to the main housing 21b of the sewing machine, and a movable frame 42 which is movably attached to the stationary frame 41. A rotating blade 34 is mounted on the movable frame 42 with the ability of rotation. The stationary frame 41 comprises a drive 37 for driving the rotating blade 34 to rotation by means of a power transmission 36, and a control means 43 controlling the movable frame 42 so that the rotating blade 34 moves from position P1 of the lack of cutting the material being stitched to position P2 of cutting the material being stitched. A needle plate 32 which is provided on the side of a base 22 on which the main housing 21b of the sewing machine is fixed, comprises a stationary knife 38 which cooperates with the rotating blade 34 to cut the material being stitched.

EFFECT: possibility to cut the material being stitched in any position of the material being stitched, regardless of whether stitching is carried out directly after it or not.

6 cl, 15 dwg