Sewing machine loopers

Details Sewing machine loopers Sewing machine loopers

1978-04-26

1983-02-15

Reynolds, W. C.

Sewing

Stitch forming

Overseaming

D05B 5706

Patent

active

043734600

ABSTRACT:
A combination of a thread carrying upper looper and a thread carrying lower looper which along with a thread carrying needle cooperate together in an overedge industrial sewing machine in which the thread carrying upper looper has its thread carrying groove located closer to the bottom edge of the blade face than to the upper edge of the blade face and has its point located above the thread carrying groove and is closer to the upper edge than to the lower edge. The blade of the thread carrying lower looper has a generally flat bottom surface having a 2.degree. rise starting 3/8" from its point and extending to the point.

REFERENCES:
patent: 1000134 (1911-08-01), Weis
patent: 1076991 (1913-10-01), Moffatt
patent: 1878146 (1932-09-01), Huber
patent: 2516665 (1950-07-01), Ambye
patent: 2636462 (1953-04-01), Peterson et al.
patent: 3333560 (1967-08-01), Wiener et al.

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