ES229079A1 - Improvements introduced in the drills at the hand of electric propulsion (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the drills at the hand of electric propulsion (Machine-translation by Google Translate, not legally binding)
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Improvements introduced in the drills by hand, with electric propulsion characterized by the fact of presenting the frame a dividing wall on the back of which the handle is configured and the motor is sustained, the shaft of which, after passing through said wall, has a multiple pulley attached which has its grooves corresponding to those of another multiple pulley supported by the referred dividing wall and by a bent support, the drill chuck being mounted at the end of its axis, and the movement transmitted thereto by precisely one or more trapezoidal belts. (Machine-translation by Google Translate, not legally binding)
ES0229079A1956-06-041956-06-04Improvements introduced in the drills at the hand of electric propulsion (Machine-translation by Google Translate, not legally binding)
ExpiredES229079A1
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