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Individual
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Individual
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Priority to ES1969154301UpriorityCriticalpatent/ES154301Y/en
Publication of ES154301UpublicationCriticalpatent/ES154301U/en
Application grantedgrantedCritical
Publication of ES154301YpublicationCriticalpatent/ES154301Y/en
Electro hammer perfected, characterized by comprising, inside a box or appropriate housing, an electric motor that through a connecting rod, drives a_ piston that runs inside a cylinder, in which, by pneumatic pressure, sealed by the lubricating oil, hits or not on the head, of an axis on whose free end a tool holder is provided and that depending on the pressure applied on it approaches more or less to said piston with which the percussion results more or less energetic, arranging this axis of a recovery spring that tends to keep it out. (Machine-translation by Google Translate, not legally binding)
ES1969154301U1969-12-121969-12-12
PERFECTED ELECTRIC HAMMER.
ExpiredES154301Y
(en)