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Publication of BE678856ApublicationCriticalpatent/BE678856A/fr
D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings or for fastening articles, e.g. buttons, by sewing
D05B3/12—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing
D05B3/18—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing hooks or eyelets
Dispositif de réglage automatique de la tension du ressort du bras tendeur d'un mécanisme de changement de vitesse par déraillement de chaîne pour cycle.
Dispositif pour l'enroulement d'un fil sur le tambour d'un appareil servant a l'alimentation en fil des aiguilles d'une machine a tricoter.