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Individual
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Priority to ES0003395UpriorityCriticalpatent/ES3395Y/en
Publication of ES3395UpublicationCriticalpatent/ES3395U/en
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Publication of ES3395YpublicationCriticalpatent/ES3395Y/en
Fixed pulleys, equipped with a device that allows simultaneously retaining the rope or flexible linking element either on the throat of the pulley and the pulley itself on its axis, thus preventing the free fall or fall of the load, so that in all variant of the device constituting the present utility model is essential the combination of a lever with an eccentric cam and a ratchet, acting together or separately. (Machine-translation by Google Translate, not legally binding)
A brief box provided in the psoterior part of an elastic tensioner and an opening to the waistband that allows to increase or decrease the perimeter of this (Machine-translation by Google Translate, not legally binding)