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Vyc Ind S A
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Vyc Ind S A
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Application filed by Vyc Ind S AfiledCriticalVyc Ind S A
Priority to ES105429UpriorityCriticalpatent/ES105429Y/en
Publication of ES105429UpublicationCriticalpatent/ES105429U/en
Application grantedgrantedCritical
Publication of ES105429YpublicationCriticalpatent/ES105429Y/en
An improved key characterized in that its flat drive head has at its end a rounded profile in the area of the passage slot of the ring. This rounded profile that continues according to a slight lateral concavity in correspondence with the situation of the finger that contributes to create the torque for the closing and opening operation. From the curved area immediately to the concave recess and to the rounded projection the head continues according to concurrent oblique straight sections that determine a flat head of enough surface to facilitate its clamping. (Machine-translation by Google Translate, not legally binding)