Bobbin and plunger assembly

Details Bobbin and plunger assembly Bobbin and plunger assembly

1983-11-07

1984-07-31

Nerbun, Peter P.

Sewing

Elements

Bobbin winding

242 18R, 2421184, D05B 5900

Patent

active

044623240

ABSTRACT:
A one-piece plunger with a control button at one end and a driving paddle at the other end is located in a one-piece sewing machine bobbin. The bobbin is provided with crossed slots, one of which normally has the paddle therein and which is dead ended to provide a stop limiting spring biased upward movement of the plunger in the bobbin, the other slot being open ended to permit the paddle to be moved therethrough during assembly of the plunger in the bobbin.

REFERENCES:
patent: 4216733 (1980-08-01), Kornatowski
patent: 4326474 (1982-04-01), Zylbert

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