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Individual
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Individual
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Priority to ES0169674UpriorityCriticalpatent/ES169674U/en
Publication of ES169674UpublicationCriticalpatent/ES169674U/en
Head for screwdrivers, characterized essentially by the fact comprising: a head to be fixed on the free end of a screwdriver, because said head is spherical ogival configuration and has faces operatively arranged to coincide with the inner faces of the existing cavity in the head of a screw, and also because the aforesaid spherical head is attached to the screwdriver rod by a neck, and for providing said neck the incursion in any position of said spherical head in said screw cavity. (Machine-translation by Google Translate, not legally binding)
ES0169674U1971-06-051971-06-05Screwdriver head (Machine-translation by Google Translate, not legally binding)
PendingES169674U
(en)