Patent ID: 6708632
Filing Date: 2004-03-23
Classification: D05B,D05C,D10B

Abstract:
A fabric tensioning device for tensioning a fabric to be sewed in a stitch forming area of a sewing machine, said device comprising:a cylindrical frame having a sewing window and extending in the longitudinal direction; a core material clamping member for clamping down against said cylindrical frame a core material that covers said sewing window; and a fabric clamping member for clamping down against said cylindrical frame said core material and a fabric to be sewed that covers said core material, wherein said fabric clamping member opens and closes on said cylindrical frame, said core material clamping member comprises two core material clamping members formed oblong in the longitudinal direction, said core material clamping members provided on the left and right sides of said cylindrical frame respectively, and said two core material clamping members are mounted on said cylindrical frame to open and close independently.