Sewing – Elements – Thread cutting – severing or breaking
Patent
1992-05-11
1993-10-26
Crowder, Clifford D.
Sewing
Elements
Thread cutting, severing or breaking
D05B 6506
Patent
active
052556239
ABSTRACT:
A wiper for a sewing machine wherein a hook portion formed at the tip end portion thereof comprises an inclined guide portion for contacting an upper thread in the forward stroke of a wiping operation of the wiper so as to guide the upper thread toward the tip end thereof. The wiper has an inclined introduction portion for guiding the upper thread, and has a thread hooking guide portion formed inside the inclined guide portion, for hooking the upper thread.
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patent: 4352333 (1982-10-01), Yamazawa
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patent: 5025738 (1991-06-01), Sato et al.
patent: 5044290 (1991-09-01), Sato et al.
Ayusawa Shirou
Sato Shuichi
Crowder Clifford D.
Izaguirre Ismael
The Singer Company N.V.
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