Thread end holder for sewing machine with thread winding bobbin

Details Thread end holder for sewing machine with thread winding bobbin Thread end holder for sewing machine with thread winding bobbin

1987-02-24

1988-03-29

Reynolds, Wm. Carter

Sewing

Elements

Presser devices

112253, 112279, 2421252, D05B 2912, D05B 5900, D05B 6300

Patent

active

047336226

ABSTRACT:
A needle thread end holder for a sewing machine having bobbin thread replenishing mechanism in which an annular groove formed in the presser securing screw accomodates a stretched rubber "O" ring so as to apply only a limited frictional resistance to a thread introduced beneath the "O" ring insufficient to abort a bobbin thread replenishing operation.

REFERENCES:
patent: 299739 (1884-06-01), Clark
patent: 3096736 (1963-07-01), Johnson
patent: 3115110 (1963-12-01), Ketterer
patent: 3457889 (1969-07-01), Killinger et al.

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