Wiper device for sewing machine

Details Wiper device for sewing machine Wiper device for sewing machine

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

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