Sewing – Elements – Attachment holders
Patent
1975-07-11
1976-11-30
Larkin, G. V.
Sewing
Elements
Attachment holders
D05B 6500
Patent
active
039942490
ABSTRACT:
A knife assembly adapted for cutting thread utilized in a sewing machine including first and second levers each having first and second end portions and a medial portion therebetween, the first end portion of the second lever defining a first cutting blade portion, first means at the second end portion of the second lever for mounting the second lever for pivotal movement, a link having first and second end portions and a medial portion therebetween, the first end portion of the links defining a second cutting blade portion cooperative with the first cutting blade portion for cutting a thread therebetween upon relative pivoting motion between the link and the second lever, second means pivotally connecting together the medial portions of the link and lever, and third means pivotally connecting together the first end portion of the first lever and the second end portion of the link whereby motion imparted to the second end portion of the first lever creates the latter-mentioned relative pivoting motion between the link and the second lever to cut a thread adapted to be disposed between the first and second cutting blade portions.
REFERENCES:
patent: 2550611 (1951-04-01), Spaine
patent: 3371633 (1968-03-01), Hedegaard
patent: 3783813 (1974-01-01), Kroll
Larkin G. V.
Union Special Corporation
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