Patent ID: 8074588
Filing Date: 2011-12-13
Classification: D05B

Abstract:
1. Sewing machine comprising a base with a crochet and a head, the head comprising: a needle support, a fabric pressure foot and its adjusting means, driving means to make a needle sew together with the crochet, lever means to turn the rotary motion of the driving means into vertical reciprocating motion, and wherein said needle support comprises: at least two needle bars that are moved vertically by said lever means, a connecting element to couple the lever means to at least a needle bar, each one of said at least two needle bars being coupled to a needle provided with a respective thread and actuated selectively in the crochet in order to allow, translating means for translating said needle support in an orthogonal direction to the vertical movement of said at least two needle bars so that said needle support translates and brings one of said at least needle bars, which are operated selectively, to said crochet in order to allow sewing, and a selecting element for operating locking means that lock the connecting element to one of said at least two needle bars so that said one of said at least two needle bars moves vertically to allow a sewing operation while remaining needle bars of said at least two needle bars stand still and integral to the head of the machine.