Sewing – Stitch forming – Hand implements
Patent
1975-04-25
1976-05-18
Schroeder, Werner H.
Sewing
Stitch forming
Hand implements
112185, 112187, 112195, D05B 100
Patent
active
039570045
ABSTRACT:
A hand-held single-thread lockstitch sewing machine or stitcher for attaching buttons, snaps, bar tacks, or the like, employs a boat-type shuttle for capturing the loop thrown by the needle. A limited length of bottom thread is stored by manually positioning a lever which directs the loop over a finger-like projection in the shuttle to trap the loop. Repositioning the lever will allow the machine to sew normally with the loop passing around the shuttle and picking up the stored thread. Bottom tension is applied by magnetically attracting the shuttle to the carrier wall and passing the bottom thread between the shuttle and the carrier wall.
REFERENCES:
patent: 400744 (1889-04-01), Bruncker
patent: 1186518 (1916-06-01), Reece
patent: 2507814 (1950-05-01), Rantanen
patent: 3127859 (1964-04-01), Saltz et al.
Ivanko Francis
Ketterer Stanley Joseph
Bell Edward L.
Breen Marshall J.
Castle Linval B.
Cohen Moshe I.
Schroeder Werner H.
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