Variable top feed overlock & safety stitch machine for extra heavy-weight materials(rake-in type)
variable top feed overlock & safety stitch machine for extra heavy-weight materials(pull-in type) (65 pages)
Direct-drive, 1-needle, unison-feed lockstitch machine with a vertical-axis large hook/ direct-drive, 1-needle, unison-feed lockstitch machine with a vertical-axis large hook with an automatic thread trimmer (84 pages)