chambers

Claim 1

A NEEDLE TURRET ATTACHMENT FOR USE IN A SEWING MACHINE COMPRISING A CENTRAL SUPPORTING ROD, UPPER, LOWER AND INTERMEDIATE GUIDE MEMBERS CONNECTED TO SAID SUPPORTING ROD IN VERTICALLY SPACED ALIGNMENT THEREON, EACH OF SAID GUIDE MEMBERS BEING PROVIDED WITH A PLURALITY OF ALIGNED BORES, A NEEDLE BAR RECIPROCALLY MOUNTED IN EACH OF SAID ALIGNED BORES TO DEFINE A NEEDLE BAR CLUSTER, AN IDLER PLATE SPACED ABOVE SAID UPPER GUIDE MEMBER, SAID IDLER PLATE HAVING A CENTRAL APERTURE ENCIRCLING THE CLUSTER OF NEEDLE BARS AND A LATERALLY EXTENDING SLOT IN COMMUNICATION WITH SAID APERTURE, A LATERALLY EXTENDING LUG CONNECTED TO EACH OF SAID NEEDLES, SAID LUG BEING ADAPTED TO BE RECEIVED IN SAID SLOT WHEN PLACED IN ALIGNMENT THEREWITH, THE ARRANGEMENT BEING SUCH THAT ALL BUT THE SELECTED NEEDLE IS MAINTAINED IN AN INOPERATIVE POSITION BY SAID IDLER PLATE, MEANS CONNECTED TO SAID INTERMEDIATE GUIDE MEMBER FOR EFFECTING MANUAL SELECTION OF THE RESPECTIVE NEEDLE BARS, MEANS FOR LATCHING AND HOLDING SAID ATTACHMENT IN SELECTED POSITION, SAID LATCHING MEANS INCLUDING A LATCHING BAR WHICH IS POSITIVELY HELD INTO LATCHING ENGAGEMENT WITH SAID NEEDLE BAR CLUSTER, MEANS FOR DETACHABLY CONNECTING THE SELECTED NEEDLE TO THE DRIVING MECHANISM OF A SEWING MACHINE, AND YARN TENSIONING AND GUIDE MEANS OPERATIVELY ASSOCIATED WITH EACH OF SAID NEEDLE BARS, SAID TENSIONING AND GUIDE MEANS BEING DISPOSED EXTERIORLY OF THEIR RESPECTIVE COOPERATING NEEDLE BARS.