Clutching arrangement for a sewing machine bobbin

Details Clutching arrangement for a sewing machine bobbin Clutching arrangement for a sewing machine bobbin

1983-06-16

1984-11-13

Reynolds, Wm. Carter

Sewing

Elements

Bobbin winding

112184, D05B 5726, D05B 5900

Patent

active

044818971

ABSTRACT:
A clutch which is engaged to rotate and wind thread on a sewing machine bobbin is provided with clutch parts that include a single bladed paddle, and a member with a pair of crossed paddle receiving through slots, one of which has a chamfered upper edge that substantially widens the mouth of the slot and the other of which is without such chamfered edge.

REFERENCES:
patent: 391097 (1888-10-01), Thayer
patent: 1855697 (1932-04-01), Sullivan
patent: 1894034 (1933-01-01), Fieg
patent: 2258326 (1971-10-01), Holt
patent: 3675694 (1972-07-01), Barlow
patent: 3808937 (1974-05-01), Roehrig
patent: 4084478 (1978-04-01), Simmons
patent: 4089357 (1978-05-01), Gill
patent: 4228723 (1980-10-01), Cunningham
patent: 4355552 (1982-10-01), Gutshall
patent: 4397250 (1983-08-01), Zylbert et al.
U.S. Appln. Ser. No. 381,268, Filed May 24, 1982--"Sewing Machine Bobbin for a Vertical Axis Hook"--C. R. Odermann and T. Zylbert.

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