Needle threading device for sewing machine and sewing machine

Details Needle threading device for sewing machine and sewing machine Needle threading device for sewing machine and sewing machine

2007-10-16

2007-10-16

Izaguirre, Ismael (Department: 3765)

Sewing

Elements

Needles

Reexamination Certificate

active

11290588

ABSTRACT:
A needle threading device of a sewing machine comprising a needle threading shaft mounted rotatably and vertically movably; a needle threading hook fixed to a lower end of the needle threading shaft; and a rotating mechanism that rotates the needle threading shaft such that the needle threading hook passes through a needle eye of the sewing needle. In a such a needle threading device, a first thread guide member is fixed to a lower end of the needle threading shaft and arranged opposed to the needle threading book with respect to the needle threading shaft; a second thread guide member is pivotally mounted on the lower end of the needle threading shaft and linked to the first thread guide member via a link mechanism. The second thread guide member is mounted with a thread retaining unit that retains the upper thread upon needle hooking.

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patent: 2000-200387 (2000-07-01), None
patent: 2002-200387 (2002-07-01), None

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