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.)
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
B23B49/04—Devices for boring or drilling centre holes in workpieces
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)