D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
D05B 47/04 (2006.01) D05B 47/06 (2006.01)
Patent
CA 2436316
A thread tensioning device or apparatus for a sewing machine enables accurate, repeatable measurement and monitoring of the compression forces applied, to the thread tensioning discs thereof. The apparatus further includes a visual display or output corresponding to the actual amount of compressive force being applied. The device further includes a comparator, which compares the electrical signal to a predetermined reference value to control or regulate the normal operation of the sewing machine.
Un dispositif ou appareil de tension de fil pour machine à coudre permet la mesure et le contrôle précis et répétitifs des forces de compression appliquées aux disques de tension du fil. Cet appareil comprend de plus un écran ou un état correspondant à la quantité réelle de force de compression appliquée. Ledit dispositif comprend de plus un comparateur qui compare le signal électrique à une valeur de référence prédéterminée pour commander ou réguler le fonctionnement normal de la machine à coudre.
Foley Martin J.
Gelsing Sander R.
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