Solenoid bobbin winders

Claim 1

IN A LOCK STITCH SEWING MACHINE HAVING A FRAME, A THREAD CARRYING NEEDLE ENDWISE RECIPROCABLE IN SAID FRAME, A CIRCULARLY MOVING LOOP TAKER JOURNALED IN SAID FRAME, A THREAD CARRYING BOBBIN JOURNALED WITHIN SAID LOOP TAKER, ACTUATING MECHANISM IN SAID FRAME OPERATIVELY CONNECTING SAID NEEDLE AND SAID LOOP TAKER FOR INTERRELATED MOVEMENTS AS ARE REQUIRED FOR THE FORMATION OF LOCK STITCHES, A BOBBIN WINDING MEMBER CARRIED WITHIN SAID LOOP TAKER, AND MEANS SHIFTABLY SUPPORTING SAID BOBBIN WINDING MEMBER FOR MOVEMENT AXIALLY OF SAID LOOP TAKER INTO AND OUT OF OPERATIVE ENGAGEMENT WITH SAID BOBBIN, MEANS AND OUT OF OPERATIVE ENGAGEMENT WITH SAID BOBBIN, AXIALLY OF SAID LOOP TAKER INTO OPERATIVE ENGAGEMENT WITH SAID BOBBIN COMPRISING A SOLENOID INCLUDING A CORE PROVIDED WITH A SOLENOID COIL, AN ARMATURE SHIFTABLY SUPPORTED RELATIVELY TO SAID CORE, MEANS OPERATIVELY CONNECTING SAID ARMATURE TO SAID BOBBIN WINDING MEMBER, AND MEANS SECURING SAID SOLENOID CORE TO SAID SEWING MACHINE FRAME WITH SAID SOLENOID ARMATURE IN SEATED RELATION AGAINST SAID SOLENOID CORE IN THE OPERATIVE ENGAGED POSITION OF SAID BOBBIN WINDING MEMBER WITH SAID BOBBIN.