Sewing – Work manipulating – Guides
Patent
1978-02-21
1979-05-15
Nerbun, Peter
Sewing
Work manipulating
Guides
200 5A, D05B 302
Patent
active
041541782
ABSTRACT:
An operator manipulating means for a programable electronically controlled sewing machine. The operator manipulating means provides an array of switch points, each related in a row, to discrete needle positions attainable by the electronically controlled sewing machine; and in a column, to the least feed increment attainable thereby. The switch array is fabricated using a pair of printed circuits, one of which must be flexible and each having spaced, parallel conductors, and arranged with respect to each other so that the conductors of one are substantially perpendicular to the conductors of the other and are in facing relationship. The printed circuits are separated in a first embodiment by a pair of insulating sheets, each having an array of apertures in spaced registry with each other and aligned in rows and columns with the conductors on the printed circuits. The pair of insulating sheets are separated by a flexible conducting sheets which may be used as a common conductor. Depression of a conductor on the flexible printed circuit through an aperture of an insulating sheet will establish a connection to the flexible conducting sheet, which conducting sheet will be deflected through the aperture in spaced registry to establish a connection with a conductor of the other printed circuit.
REFERENCES:
patent: 3886335 (1975-05-01), Hendricks
patent: 4005293 (1977-01-01), Boulanger
patent: 4066850 (1978-01-01), Heys, Jr.
patent: 4085691 (1978-04-01), Coughenour et al.
Promis et al, "Control Panel", 7-2-76, IBM Technical Disclosure Bulletin, pp. 405, 406.
Brown Jack
Herr John A.
Tarquinio Nicholas A.
Bell Edward L.
Nerbun Peter
Schmidt Edward P.
Smith Robert E.
The Singer Company
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