Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1973190761UpriorityCriticalpatent/ES190761Y/en
Publication of ES190761UpublicationCriticalpatent/ES190761U/en
Application grantedgrantedCritical
Publication of ES190761YpublicationCriticalpatent/ES190761Y/en
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
A screwdriver characterized by the fact that it is provided axially around a tubular part whose upper end is formed in the form of elastic flat clamps that press on the convergent planes of the area of the head of the screwdriver and whose other lower end is fixed to an annular pulsating piece, also coaxial to the screwdriver, which rests on the upper part of the tool handle and on which, inside said tubular piece, it meets the lower end of a helical spring whose other upper end meets a circumferential projection stop that the screwdriver has. (Machine-translation by Google Translate, not legally binding)
ES1973190761U1973-04-061973-04-06
A PERFECTED SCREWDRIVER.
ExpiredES190761Y
(en)