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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Priority to ES96932UpriorityCriticalpatent/ES96932U/en
Publication of ES96932UpublicationCriticalpatent/ES96932U/en
A rotating wheel, characterized essentially by being constituted by two hemispherical bodies, hollow, plug-in together by means of a rod, conical end, which protrudes internally from the center of one of said bodies and is inserted into an existing blind sleeve facing in the another, said stem being provided with an end groove in which a circular spring is located which when pressed against the walls of the sleeve before said, prevents the accidental extraction of the stem from its interior; there being around said sleeve internal reinforcing ribs of the body carrying them, which is externally provided on its periphery with an annular protruding area constituting the contact base of the wheel. (Machine-translation by Google Translate, not legally binding)
ES96932U1962-12-151962-12-15Rotating wheel (Machine-translation by Google Translate, not legally binding)
PendingES96932U
(en)
Device for the retractable operation of the mines of the ball calligraphic devices or similar (Machine-translation by Google Translate, not legally binding)