Thread severing arrangement for thread winding bobbin

Details Thread severing arrangement for thread winding bobbin Thread severing arrangement for thread winding bobbin

1984-01-25

1985-05-07

Reynolds, Wm. Carter

Sewing

Elements

Bobbin winding

112289, 112297, D05B 5900, D05B 5708

Patent

active

045150990

ABSTRACT:
An axially movable plunger in a bobbin, and a cam for disposing the plunger in a position resulting in rotation of the bobbin for bobbin winding are formed with engageable planar surfaces, one of which includes a sharp edge hole, and the other of which includes an elongate slot to provide for the cutting of thread between the edges of the hole and slot at the outset of a bobbin winding operation.

REFERENCES:
patent: 603688 (1898-05-01), Hawes
patent: 3115855 (1963-12-01), Ketterer
patent: 3693565 (1972-09-01), Ketterer
patent: 3783813 (1974-01-01), Kroll
patent: 4108097 (1978-08-01), Gross et al.
patent: 4259914 (1981-04-01), Johnson
patent: 4326474 (1982-04-01), Zylbert
patent: 4462324 (1984-07-01), Larsen

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