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HOLMAN IBERICA S A
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HOLMAN IBERICA S A
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Application filed by HOLMAN IBERICA S AfiledCriticalHOLMAN IBERICA S A
Priority to ES0069563UpriorityCriticalpatent/ES69563Y/en
Publication of ES69563UpublicationCriticalpatent/ES69563U/en
Application grantedgrantedCritical
Publication of ES69563YpublicationCriticalpatent/ES69563Y/en
A hammer drill, characterized in that the impact piece, the piston, the rotation rod and the rear cover, are perforated axially, to allow the placement of a tube for the passage of dust, whose tube extends from the impact piece to the rear cover, joining, in this last point, with a hose that is retained in the hole of the cover by means of a nut retainer with spring support of the hose. (Machine-translation by Google Translate, not legally binding)