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Priority to ES115149UpriorityCriticalpatent/ES115149Y/en
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Publication of ES115149YpublicationCriticalpatent/ES115149Y/en
An automatic toy of rotary movement, characterized by being constituted by a box, closed by a base by means of a lid under pressure, and inside which there is a hollow cylinder, axially located, open at both ends, and containing an axis surrounded by a helical spring, which fixes one of its ends on said cylinder, and the opposite, on the axis, so that the turns given by hand on this axis translate into a torsional stress on the spring, which stores energy for quick undoing and energetically this turn, as soon as the axis is free. (Machine-translation by Google Translate, not legally binding)
ES115149U1965-07-281965-07-28
An automatic rotating motion toy
ExpiredES115149Y
(en)