Needle bar thread guide for sewing machine

Details Needle bar thread guide for sewing machine Needle bar thread guide for sewing machine

2008-01-29

2008-01-29

Izaguirre, Ismael (Department: 3765)

Sewing

Elements

Thread guiding or handling

C112S225000

Reexamination Certificate

active

11647330

ABSTRACT:
A needle bar thread guide for a sewing machine includes a thread guide part located in a thread hooking part of a thread hooking member to guide the needle thread into the thread hooking part, and a thread cast-off preventing member having a thread cast-off preventing part closing the thread guide part. The thread cast-off preventing member is elastically deformable. The thread cast-off preventing part has a distal end which is in contact with an upper surface of the thread hooking part.

REFERENCES:
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patent: 4215641 (1980-08-01), Dobrjanskyj et al.
patent: 4248169 (1981-02-01), Giaimo et al.
patent: 4936234 (1990-06-01), Jimenez et al.
patent: 5642678 (1997-07-01), Mizunuma et al.
patent: 6918344 (2005-07-01), Ebata et al.
patent: 7197995 (2007-04-01), Hayashi et al.
patent: A 2004-236673 (2004-08-01), None
patent: A 2006-034557 (2006-02-01), None

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