SET FOR REMOVABLE JOINTING TOOL ONTO DRIVE UNIT AND EMBROIDERING OR SEWING MACHINE Russian patent published in 1994 - IPC

FIELD: sewing machines. SUBSTANCE: set has holder for tool, for example, punch, drill or needle from sewing machine, and fixing head, mounted onto the end of the rod - needle-case. Holder is made in form of a plate mounted in jack of head and attached movable by jaws in the jack. Jaws are disposed onto the case of fixing head; the jaws are under action of spring which tends to hold in compressed position. Holder is mounted in the jack precisely by means of support of top end onto the base of groove, made in top part of wall of the jack. The support is sustained due to spring-loaded claws and flat spring which is connected with the head. EFFECT: improved convenience. 15 cl, 14 dwg