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Priority to ES1974206943UpriorityCriticalpatent/ES206943Y/en
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Improved thread-cutting device, characterized in that it essentially consists of three friction frustoconical plates mounted coaxially and housed one inside the other, of which the main or outer plate is determined by the device housing itself and can receive the movement of an axis coupled to the corresponding motor, to rotate in one direction and transmit this movement through the appropriate gears to the smaller plate, which will rotate in the opposite direction while the intermediate plate, which is fixed to an axis whose free end has a clutch or not or similar means, two alternate positions d contact or friction with one or another plate, in such a way that according to its position the intermediate plate will rotate in one or the other direction and at the appropriate speed. (Machine-translation by Google Translate, not legally binding)
Alternative movement traction device for cable, whose control is at manually or by motor. (Machine-translation by Google Translate, not legally binding)