System and procedure of propulsion sail for boats and tugboats (Machine-translation by Google Translate, not legally binding)

摘要

The system and procedure of sail propulsion for boats and tugs, consists in the use in the boats and tugs of one or more sails or rows of sails subject to their vertices or upper edges by the ends of one or more masts and/or ones cables or ropes placed between the upper ends of some masts or the ends of the radial arms thereof, some masts in the bow and others in the stern. Said sails being held by their vertices or inferior edges to some rings fixed to the cover, to some ends or cables, whose ends are fixed to the cover, to some small poles, to the lower area of the main masts, to the ends of radial arms fixed in the lower area of the masts, or pulleys in which they are wound with motors. (Machine-translation by Google Translate, not legally binding)