Sewing – Stitch forming – Overseaming
Patent
1994-07-28
1995-11-14
Crowder, C. D.
Sewing
Stitch forming
Overseaming
D05B 120, D05B 5706
Patent
active
054656753
ABSTRACT:
In a trimming sewing machine of the type adapted to carry out a two-thread overedge stitch, provision is made for a hooked element (15) integrally associated with the upper looper (10), which hooked element has an end work portion (15a) disposed in parallel side by side relation with the end work portion (10b) of the upper looper. The hooked element (15) engages the sewing thread (3) carried by the needle (2) at the beginning of the downward stroke of the needle. Following the downward stroke of the upper looper (10), the hooked element (15) drags along the sewing thread (3) beyond the lateral edge (5a) of the workpiece (5). Thus paired finishing portions (17a, 17b) are formed along the sewing thread (3) and they extend from each of the insertion points of the needle (2) into the workpiece (5) as far as close to the lateral edge (5a) of the workpiece (5).
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Pozzi Giuseppe
Sanvito Roberto
Crowder C. D.
Izaguirre Ismael
Rimoldi Necchi S.R.L.
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