| 摘要 |
A needle mechanism of sewing machine with combined transport of material includes a crank installed in the body of the machine, this is fixed on main shaft and is kinematically connected to the upper head of connecting-rod the lower head of which is kinematically connected to guide fixed on a slider, a slide connected to pin arranged as one part with rocking arm, this is kinematically connected to the connecting rod. Additionally it includes another slide as frame that is kinematically connected to the slider and body of the machine. |
