Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Waldes y Cia SA
Original Assignee
Waldes y Cia SA
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Filing date
Publication date
Application filed by Waldes y Cia SAfiledCriticalWaldes y Cia SA
Priority to ES0257234ApriorityCriticalpatent/ES257234A3/en
Publication of ES257234A3publicationCriticalpatent/ES257234A3/en
Safety trailing device for sewing machines, characterized by being constituted by a trailing arm that at its free end acts on the brackets away from the plane of action of the needle in the descent thereof, which is driven by a crank belonging to a axis perpendicular to the direction of sewing, which is driven by a cam device through a connecting rod which is, in turn, driven by the sewing machine in synchronization with the needle, being constantly pressed, said arm of drag, against the element that is sewn by means of a spring. (Machine-translation by Google Translate, not legally binding)
ES0257234A1960-04-081960-04-08Safety driver device for sewing machines (Machine-translation by Google Translate, not legally binding)
ExpiredES257234A3
(en)
Mechanisms of lateral displacement of the needle in the automatic machines of sewing and embroidery. (Machine-translation by Google Translate, not legally binding)