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Individual
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Individual
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Priority to ES9002154UpriorityCriticalpatent/ES1014687Y/en
Publication of ES1014687UpublicationCriticalpatent/ES1014687U/en
Application grantedgrantedCritical
Publication of ES1014687YpublicationCriticalpatent/ES1014687Y/en
Processing Of Stones Or Stones Resemblance Materials
(AREA)
Abstract
Device protector improved for drilling manuals, which is the type comprises a set telescopico determined by a movable tube inside other fixed to the machine, which the first he is subject to action expansive a coil, which characterized by the fact that this mobile unit, which is transparent and possesses a graduated scale, on its outer end, a head semi-hard support, while at the end opposite appears stop flange cooperating with other located on the inlet of the tubular body cooperating with said, head being mentioned substantially frustoconical structure and possessing inside floppy disk, with a central hole formed by courts and for providing a lipped for step adjusted the drill . (Machine-translation by Google Translate, not legally binding)