JR 3300 Overlock Sewing Machine(5 Thread) KS/The sucking type thread cut-off mechanism. Air sucking inlet was on horizontal side of needle. Utilizing sucking air can automatically suck threads and cut them. EH/the mechanism that prevents overlapping materials from loosing. The inductor can calculate the overlapping place and let guide device slip from right side in order to prevent overlapping materials from loosing. After opening switch the cutting edge will drop and cut band or threads. Utilizing this device can shorten band and raise working efficiency. Starting Switch is divided into a manual type and knee moving type, which can be used according to the materials.

