Position fixing apparatus of stitch control dial

摘要

This relates to the intended location of the stitch length adjustment dial fixtures, and more particularly stitch sewing machine during operation adjustment dial will turn around on the outside of the position fixture of the stitch length control dial with a simple structure, yet poor can be prevented a phenomenon that is caused by the stitch length of bongjepum poor. ; position of the stitch length adjustment dial of the retainer is designed, and the shaft member having a threaded portion to the lower stitch length adjustment, the dial through the sewing machine main body including a dial side member fixed to the upper portion of the shaft member In the device to dial the stitch length adjustment by rotation of the dial is provided, surrounding the shaft member upper part in the circumferential direction to form a plurality of slits are formed in the fixing piece and the outer bushing is threaded, the fixing support piece extending from the lower end convenience consisting of a fixed bushing including; And characterized by including securing the setting positions of the dial; and a nut threaded to engage the threaded portion of the fixed bushing and the bushing formed in the inner portion rakneoteu. ; If the dial so that the shaft member in the state, set the stitch length adjustment dial position according to the designed fixed due to unwanted vibrations acting on the sewing machine working on the outside back sweat can cause a malfunction in the direction of enlarging a can be prevented, there is a small space, even it is possible to easily secure the position of the dial is easy to effect the operation of the sewing machine between the body and the dial.