1-needle, unison-feed, lockstitch machine with vertical-axis large hook and automatic thread trimmer (needle thread roll-in and short tail type) (4 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)