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Sewing machine looper has a bobbin capsule, with lifter cams, and a lifter mechanism with a lifter lever at the capsule lifter, and a feeler lever at the surface of an axial cam disk
Sewing machine looper has a bobbin capsule, with lifter cams, and a lifter mechanism with a lifter lever at the capsule lifter, and a feeler lever at the surface of an axial cam disk
The sewing machine has a looper (8) which is powered to rotate around a vertical axis, incorporating a bobbin capsule (21) with lifter cams (31). A capsule lifter (33) has a lifter lever (32) to make contact with the cams, and a feeler lever (40). The feeler lever lies against a cam disk surface (42) of an axial cam disk (39), fitted to a transmission shaft with its power taken from the looper drive shaft (10). The feeler lever has an adjustable position along the lifter shaft (34).
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