Sewing apparatus including automatic bobbin reloading

Details Sewing apparatus including automatic bobbin reloading Sewing apparatus including automatic bobbin reloading

1990-04-30

1992-09-01

Nerbun, Peter

Sewing

Stitch forming

Shuttle type

112180, 112278, D05B 5904

Patent

active

051430045

ABSTRACT:
Sewing apparatus comprises a sewing needle, a bobbin for feeding thread to the sewing needle, a rotary housing containing the bobbin and its case a sensor for sensing the non-feeding of thread to the sewing needle; an extraction-reloading device automatically effective, upon sensing the non-feeding of the thread to the sewing needle, for first extracting the bobbin and its case from the rotary housing, then extracting the bobbin from its case, then reloading the case with another bobbin having a supply of thread thereon and then returning the case with its reloaded bobbin into the rotary housing.

REFERENCES:
patent: 2808795 (1957-10-01), Wortham
patent: 4002130 (1977-01-01), Rovin et al.
patent: 4223618 (1980-09-01), Cislak
patent: 4681050 (1987-07-01), Kosmas
patent: 4693196 (1987-09-01), Hager

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