ROTARY HOOK Under Thread Enclosed by Needle Thread Fig. 13 shows the third stage. The loop of needle thread has been cast off from the… Read More »ROTARY HOOK

OSCILLATING HOOK Point of Hook Entering Loop of Needle Thread Fig.10 shows the first stage in stitch formation. The thread leading to the needle is… Read More »OSCILLATING HOOK

OSCILLATING HOOK Stitch Completed Fig. 12 shows the third stage. The under thread has been enclosed by the needle thread, and the thread take-up lever… Read More »OSCILLATING HOOK

OSCILLATING HOOK Fig.10 shows the first stage in stitch formation. The thread leading to the needle is loosened, because the thread take-up lever has begun… Read More »OSCILLATING HOOK

OSCILLATING SHUTTLE Under Thread Enclosed by Needle Thread Fig. 13 shows the third stage. The loop of needle thread has been cast off from the… Read More »OSCILLATING SHUTTLE

OSCILLATING SHUTTLE Point of Shuttle Entering Loop of Needle Thread Fig. 11 shows the first stage in stitch formation. The thread leading to the needle… Read More »OSCILLATING SHUTTLE

VIBRATING SHUTTLE Shuttle Thread Enclosed by Needle Thread Fig. 3 shows the third stage. The shuttle has passed through the loop of needle thread, the… Read More »VIBRATING SHUTTLE

Fig. 1 shows the first stage in stitch The thread leading to the needle is loosened, because the thread take-up lever has begun its descent;… Read More »Vibrating Shuttle

It will be seen from the preceding description and illustrations, that the basic mechanisms now in use for making the lock stitch comprise a vertically… Read More »Shuttles & Hooks

Machines of Class 71, for power operation, were brought out in 1904 and are the latest evolution for making straight button holes without eyelets, either… Read More »Singer Machine No. 71-30