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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACEDO GUERRERO PEDRO
NAVARRO CABES JUAN
Original Assignee
ACEDO GUERRERO PEDRO
NAVARRO CABES JUAN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ACEDO GUERRERO PEDRO, NAVARRO CABES JUANfiledCriticalACEDO GUERRERO PEDRO
Priority to ES1978234138UpriorityCriticalpatent/ES234138Y/en
Publication of ES234138UpublicationCriticalpatent/ES234138U/en
Application grantedgrantedCritical
Publication of ES234138YpublicationCriticalpatent/ES234138Y/en
Processing Of Stones Or Stones Resemblance Materials
(AREA)
Abstract
Improved drill, characterized in that it consists of a rod that at one end has means for coupling to the chuck, while at the opposite end is provided with a blind axial bore and radial longitudinal notches as well as external thread a bushing having a terminal conical mouth is applied, the assembly being completed with an active body provided with a spigot of polygonal section that is inserted in the bore of the shank and is retained without the possibility of rotation of said body when screwing the bushing on the end of the stem. (Machine-translation by Google Translate, not legally binding)