Patent ID: 6672231
Filing Date: 2004-01-06
Classification: D05B,D05C,D10B

Abstract:
A sewing machine for driving a cylindrical frame, said sewing machine comprising:said cylindrical frame being adapted to hold fabric stretched thereover and having an inner surface, said cylindrical frame covering the outside of a cylinder bed having a front end, said cylindrical frame being adapted to be driven in the axial direction of said cylindrical frame and around the axis of said cylindrical frame; a bobbin case having an underside and a needle plate provided at the front end of said cylinder bed; a guide member guiding said cylindrical frame from the inside, said guide member being mounted on said cylinder bed, said cylinder bed being located below said needle plate; and a partial cylindrical surface on said guide member concentric to said cylindrical frame being formed in the proximity of the inside surface of said cylindrical frame.