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Priority to ES0005794UpriorityCriticalpatent/ES5794Y/en
Publication of ES5794UpublicationCriticalpatent/ES5794U/en
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Publication of ES5794YpublicationCriticalpatent/ES5794Y/en
A device consisting of a rectangular block in the center of which has a cavity with three walls of different heights and in another of its sides a ramp with slot in which a strip is housed spirally turned; one of its side walls has a stop formed by a vertical projection and in the extension of the same at its lower end a notch or recess that determines the existence of a projecting peak whose wall is curved up to the height of the stop and from this leaves a flap that curves downwards and bears at its front tip a downward pivot having the opposite flap another projection on the side of the front forming step; having a hole or drill in the body and in the base a rectangular recess in which is the groove of the spiral strip. (Machine-translation by Google Translate, not legally binding)
ES0005794U1940-06-051940-06-05
Automatic shuttle threader for looms.
ExpiredES5794Y
(en)