Sewing machine cassette threading system

Details Sewing machine cassette threading system Sewing machine cassette threading system

1978-12-14

1980-01-15

Schroeder, Werner H.

Sewing

Elements

Thread guiding or handling

D05B 4300

Patent

active

041833139

ABSTRACT:
A sewing machine cassette threading system in which the thread handling instrumentalities of a sewing machine are arranged to accept thread from either a cassette or a conventional thread spool with a minimum of operator intervention. The sewing machine has a chamber formed therein to accept the cassette. The sewing machine thread handling instrumentalities are threaded by inserting a cassette into a cover enclosing the chamber and closing the cover. Thread from a conventional spool carried on the sewing machine arm may be placed in the cover for insertion into the thread handling instrumentalities when the cover is closed.

REFERENCES:
patent: 2686484 (1954-08-01), Cuthbertson
patent: 3122113 (1964-02-01), Edwards
patent: 3749039 (1973-07-01), Fritts
patent: 4070977 (1978-01-01), Yamamoto et al.

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