Patent ID: 7021226
Filing Date: 2006-04-04
Classification: D05B

Abstract:
1. A sewing machine comprising: a bobbin case containing a lower thread; a needle plate disposed above said bobbin case and including a lateral edge, a cutout part which opens at said lateral edge, and two opposite cutout part edges confining said cutout part and transverse to said lateral edge; a guide plate connected to a bottom side of said needle plate, said guide plate including a pair of slide rails respectively extending along said cutout part edges, an opening substantially corresponding in position to said bobbin case, and a curved thread guide slot having one end communicated with said opening and another end extending to one of said slide rails; a slide cover covering said cutout part and slidable along said slide rails; a cutter disposed at said lateral edge proximate to said one of said slide rails; and a lower thread guide extending along said one of said slide rails from said another end of said thread guide slot toward said cutter for guiding the lower thread to extend to said cutter.