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Priority to ES1970162476UpriorityCriticalpatent/ES162476Y/en
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Saw for manual arc, which is characterized by the fact of being formed by a body of elastic rod, conveniently bent to form the arc of the tool, which is endowed, near its rear end, a deep inflection or bend that it is constituted as a soul of the handle, which is molded directly on it, in such a way that the aforesaid handle remains with the soul perfectly included in its interior, projecting from it, inferiorly, the rear end of the body of the rod, which, at same as the previous one, free, of the same, presents a notch according to the plane of symmetry of the tool, provided for the anchoring of the blade, which in turn has been made, for this purpose, two extreme notches in its upper edge, through which fits and is retained by the notches of the rod that forms the arc, transmitting to it the elastic tension that the latter is equipped. (Machine-translation by Google Translate, not legally binding)
Improvements in the mechanisms for tension in the arcos de sierra for metals and similar (Machine-translation by Google Translate, not legally binding)