A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention provides a burr in the form of a generally cylindrical rod, the burr having a proximal end for mounting in a tool for rotating the burr and a distal cutting end, the burr having a cutting portion defined by a portion of a surface of the burr which comprises a plurality of teeth, the cutting portion including and extending from the distal end back towards the proximal end, wherein the cutting portion comprises a cylindrical portion of a first diameter and a distal end portion of a second diameter that is greater than the first diameter. The burr is particularly suited to the drilling of cylinder locks.
The present invention provides a burr in the form of a generally cylindrical rod, the burr having a proximal end for mounting in a tool for rotating the burr and a distal cutting end, the burr having a cutting portion defined by a portion of a surface of the burr which comprises a plurality of teeth, the cutting portion including and extending from the distal end back towards the proximal end, wherein the cutting portion comprises a cylindrical portion of a first diameter and a distal end portion of a second diameter that is greater than the first diameter. The burr is particularly suited to the drilling of cylinder locks.
BURR
SOUBER PAUL (author)
2021-03-11
Patent
Electronic Resource
English
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