Sewing machine having automatic thread cutting device

Details Sewing machine having automatic thread cutting device Sewing machine having automatic thread cutting device

2006-07-27

2010-11-09

Welch, Gary L (Department: 3765)

Sewing

Elements

Thread cutting, severing or breaking

C112S285000, C112S291000, C700S136000

Reexamination Certificate

active

07827923

ABSTRACT:
In a sewing machine having an automatic thread cutting mechanism, a situation of a thread cutting operation is detected in power-OFF to continuously carry out a proper operation when a power supply is turned ON again after sudden power-OFF.In a sewing machine having an automatic thread cutting mechanism, there is provided means for detecting an operation situation of the automatic thread cutting mechanism when a power supply is turned ON. Based on a signal for the detection, the automatic thread cutting mechanism is operated to complete a thread cutting operation and to carry out a control to return into an initial state when a stop is performed with the thread cutting mechanism in power-ON executing the thread cutting work.

REFERENCES:
patent: 5803001 (1998-09-01), Shimizu et al.
patent: 5967069 (1999-10-01), Rodriguez et al.
patent: 6164224 (2000-12-01), Tachikawa et al.
patent: 2765113 (1998-04-01), None

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