Symbols Index
		Single needle		Ruffler		CNC Contour control		Needle thread monitor
		Two needles		Bottom feed		Contour control by cam		Needle cooler
		101 Single chainstitch		Differential bottom feed		Underbed thread trimmer		Thread lubrication
		301 Lockstitch		Bottom feed and needle feed		Underbed and above throat plate		Horizontal hook small
		304 ZigZag lockstitch		Bottom feed and variable top feed		Thread and tape cutter behind the needle		Horizontal hook Large
		401 Double chainstitch		Differential bottom feed and variable top feed		Tape cutter in front of the needle, from above		Vertical hook Small
		502 Two thread overlock		Bottom feed and alternating feed		Tube cut in front of the needle from below		Vertical hook Large
		504 Three thread overlock		Bottom feed, needle feed and alternating feed		Edge trimmer		Vertical hook Extra large
		Flat bed		Bottom feed and top puller		Edge trimmer motor driven		Horizontal hook, transversal Small
		Post bed		Bottom feed, needle feed and top puller		Automatic presser footlift		Horizontal hook, transversal Large
		Cylinder arm		Bottom, needle & alternating puller feed		Seam backtacking, automatic		Looper, cross-line
		Extended head		Bottom feed, top belt feed		Seam backtacking, thread trim & sew footlift auto		Looper, in-line
		Box type		Serial Bus Control System		Bobbin thread monitor