| 摘要 |
In a preferred embodiment, a tie-stitching machine includes paired needles conventionally drivable axially to and fro through respective holes therefor aligned therewith in a planar upper surface of a flat base plate devoid of claws and any mounting opening therefor, and having instead a drivably mounted roller aligned behind the sewing needles and foot, biased downwardly and forwardly angularly on a pivotedly mounted roller-mounting structure mounted on the main support structure and spring biased by a spring, driven drivably through a slip clutch in-turn driven by to and fro motion taken from a lever mounted eccentrically on the main drive shaft, and there being a manual lever for lifting concurrently each of the roller and the foot, and another automatic lever for lifting the foot prior to and during driving rotation of the mounted roller, and for depressing the foot during the alternate sewing phase.
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