BUTTONHOLE SEWING MACHINE

摘要

A buttonhole sewing machine comprising an upper arm (1) with a needle (6), which can move up and down, and a base plate (2). A buttonhole cutting device (13), comprising a blade (36), which is arranged on the base plate (2) and consists of a cutting part (37) which extends in a straight line in direction y and an eye cutting part (38), is also provided. A cutting block (15) cooperates with the blade (36). The blade (36) and the cutting block (15) can be displaced by means of a motor in relation to each other in direction y.