QUICK-ELECTRONIC-STOP

MECHANICAL MECHANISMS FOR POWER DRIVEN SEWING MACHINES FOR COUPLING THE POWER DRIVE SHAFT OF THE MACHINE TO THE DRIVE SHAFT FOR DRIVING THE NEEDLE ASSEMBLY OF THE MACHINE, SOLD SEPARATELY; COUPLING ASSEMBLIES FOR SEWING MACHINES FOR COUPLING THE NEEDLE DRIVING SHAFT TO THE NEEDLE ASSEMBLY, SOLD SEPARATELY; AND BRAKING ASSEMBLIES FOR SEWING MACHINES FOR BRAKING THE SHAFT FOR DRIVING THE NEEDLE ASSEMBLY