ZIGZAG SEWING MACHINE Russian patent published in 2011 - IPC D05B3/02 

FIELD: textile, paper.

SUBSTANCE: handle 27 of stitch selection, handle 11 of stitch length control, needle pusher 22, interacting with swinging cross beam 21, pusher 18 of cloth mover, interacting with three-arm yoke 67, lever 29 to change direction of cloth mover displacement are mounted onto a single block-frame of control, arranged in the form of two supports 43 with needle pusher axis 23 fixed in them, which also bears swinging cross beam 21, cloth mover pusher 18, three-arm yoke 67. At the same time in position prepared for alignment of sewing machine with block-frame of control, needle pusher 22, cloth mover pusher 18 interact in a contact manner accordingly with one of guide blocks in assembly of guide blocks 4 and cam 13 of smooth control of stitch length, and the third arm of three-arm yoke interacts in a contact manner with control crank 16. At the same time needle pusher axis 23 is equipped with mounting support ends protruding at both sides of supports 43, by means of which block-frame of control is mounted in supports 44 of machine frame.

EFFECT: simplified alignment of machine, simplified control in process of sewing.

2 cl, 7 dwg