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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Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbHfiledCriticalRobert Bosch GmbH
Priority to ES0217009UpriorityCriticalpatent/ES217009Y/en
Publication of ES217009UpublicationCriticalpatent/ES217009U/en
Application grantedgrantedCritical
Publication of ES217009YpublicationCriticalpatent/ES217009Y/en
Clamping mandrel for hand drills, which have a basal body, a guide piece, a guide bushing, a retaining ring, a slide and several clamping claws, characterized in that in the area of the rear end of the guide part a toothing is made, presenting the base body, or a part joined with the base body, a number of radial holes for the reception of a tang of a key. (Machine-translation by Google Translate, not legally binding)
ES0217009U1975-11-281975-11-28
HOLDING CHUCK FOR HAND DRILLS
ExpiredES217009Y
(en)
Keyhole saw has concentric centring borer at front end of hollow boring shaft to be retracted by displacement mechanism into boring shaft for removal of drilled material
Apparatus for the manual insertion, without suffering, of signaling parts for marking of all kinds of articles. (Machine-translation by Google Translate, not legally binding)