view of fig4 that the pointed member 16 on the end of the arm 15a and part of the arm 15a itself on the thread catching member projects from beneath the mounting plate 18 when the solenoid and thread catching member and associated structure are mounted by the bolts or screws 22 to the sewing machine itself the edge of the mounting plate 18 from which the thread catching member projects is adjacent the slot 28 in the needle plate 29 so that when the thread catching member pivots from the retracted position in which it is drawn away from the slot 28 to the forward position as shown in fig3 it crosses the slot 28 sufficiently far so that the notch 16 can engage the thread coming from the bobbin case to the needle n see fig4 in addition the path of movement of the pointed member 16 on the arm 15a of the thread catching member 15 must be positioned such that it extends through the space between the lengths of thread coming from the bobbin case to the needle as shown in fig5 in operation under the control of the electronic control means which will be described hereinafter when an embroidered element has been completed and the time arrives for cutting the thread one coil of the solenoid 23 is energized to move the lever 24 outwardly away from the solenoid which in turn pivots the thread catching member 15 to the in position so as to move the pointed member 16 through the space between the threads as shown in fig5 until the notch 16 has passed the thread preferably the edge of the pointed member 16 which ends at the notch 16a engages the thread on the side toward the solenoid as shown.