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Individual
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Individual
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Priority to ES0042889UpriorityCriticalpatent/ES42889Y/en
Publication of ES42889UpublicationCriticalpatent/ES42889U/en
Application grantedgrantedCritical
Publication of ES42889YpublicationCriticalpatent/ES42889Y/en
Drive device for music boxes, which is essentially characterized by being a small grooved pulley on which is fixed and wound a thread or twine finished in a small handle to facilitate handling, being attached on the one hand the axis of the cited pulley to a set of nails that form ratchet with a toothed plate that meshes with the carrier cylinder of the tines that vibrate the tabs, and, on the other, to the central end of the spiral spring, the assembly being assembled so that when pulling of the thread and developing the tensioning or loading of the spring, whose distension, when the first traction ceases, results in the start-up of the sound mechanism and the winding of the thread, which is automatically introduced into the general coverage of the box , which has an appropriate through hole for this. (Machine-translation by Google Translate, not legally binding)
ES0042889U1954-07-011954-07-01
Drive device for music boxes
ExpiredES42889Y
(en)