Sewing – Elements – Thread cutting – severing or breaking
Reexamination Certificate
2006-08-22
2006-08-22
Worrell, Danny (Department: 3765)
Sewing
Elements
Thread cutting, severing or breaking
C112S293000, C112S300000
Reexamination Certificate
active
07093549
ABSTRACT:
A wiper device includes a trimmer to trim an needle thread, a needle bar mounted so as to be vertically moveable and having a sewing needle attached in the lower end, a wiper member to wipe the needle thread extending from an eye of the sewing needle as to pull the needle thread above the upper surface of work cloth after trimming the needle thread, a wiper driving unit to actuate the thread wiping movement of the wiper member and a switch unit to switch the wiper member between an operable state and an inoperable state in conjunction with the position of the needle bar.
REFERENCES:
patent: 6568339 (2003-05-01), Campbell et al.
patent: U 6-52782 (1994-07-01), None
patent: A 2003-103080 (2003-04-01), None
Brother Kogyo Kabushiki Kaisha
Oliff & Berridge PLC.
Worrell Danny
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