Sewing – Elements – Thread cutting – severing or breaking
Reexamination Certificate
2011-03-15
2011-03-15
Izaguirre, Ismael (Department: 3765)
Sewing
Elements
Thread cutting, severing or breaking
C112S291000, C112S254000
Reexamination Certificate
active
07905190
ABSTRACT:
In a sewing machine, a control device is configured to execute a needle thread cutting operation including driving a movable cutting blade to a predetermined pivot location, driving a wiper driving mechanism for protruding a wiper by a predetermined stroke, driving the thread take-up driving mechanism to lower the thread take-up by a predetermined distance, driving a wiper driving mechanism to draw back the wiper by a predetermined amount corresponding to the lowering of the thread take-up, driving the movable cutting blade to a standby position, driving the thread tension adjusting mechanism to release a thread tension adjusting mechanism, and driving the thread take-up driving mechanism to move the thread take-up to an original uppermost position.
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Brother Kogyo Kabushiki Kaisha
Izaguirre Ismael
Oliff & Berridg,e PLC
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