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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Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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Publication date
Application filed by Salzgitter Maschinen AGfiledCriticalSalzgitter Maschinen AG
Publication of ES296039A1publicationCriticalpatent/ES296039A1/en
A vibrating device, in particular a drilling hammer, with a percussion piston movable in the direction of the borehole and driving the auger, as well as with a control piston, which is connected to the percussion piston by means of a retarder member, characterized by that the percussion piston is connected to the control piston in the form of a universal joint. (Machine-translation by Google Translate, not legally binding)
ES0296039A1963-02-041964-02-03A vibrated apparatus, especially perforating hammer (Machine-translation by Google Translate, not legally binding)
ExpiredES296039A1
(en)