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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S A Geis
Original Assignee
S A Geis
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Publication date
Application filed by S A GeisfiledCriticalS A Geis
Priority to ES109667UpriorityCriticalpatent/ES109667Y/en
Publication of ES109667UpublicationCriticalpatent/ES109667U/en
Application grantedgrantedCritical
Publication of ES109667YpublicationCriticalpatent/ES109667Y/en
Drilling hammer characterized in that it is provided with a water inlet system that can be quickly changed to work in powder simply by replacing the corresponding group of pieces with their similar ones to work in dry; being further provided with a lubrication system consisting of a network of holes through which lubrication reaches all internal parts of the hammer. (Machine-translation by Google Translate, not legally binding)
ES109667U1964-11-201964-11-20
A DRILL HAMMER.
ExpiredES109667Y
(en)
Improvements introduced in the construction of selective controls of oil pressure in work cylinder. (Machine-translation by Google Translate, not legally binding)