Patent ID: 8840343

Claim:
A method for coding a drilling device for an aircraft, the method comprising: placing a drilling template with at least a drilling hole on a work piece; placing a drilling bushing in the drilling hole of the drilling template; placing the drilling device in the drilling hole of the drilling template; wherein the drilling bushing comprises a first locking device and a coding master device comprising a bushing edge comprising a first recess and a second recess; wherein the drilling device comprises a second locking device and a coding sleeve device comprising a coding sleeve edge comprising a first coding pin and a second coding pin; and wherein the coding sleeve device engages with the coding master device when moving them axially towards each other such that the first coding pin engages with the first recess and the second coding pin engages with the second recess, the first and the second locking devices connectable to one another when the first and the second coding pins correspond to the first and the second recesses, respectively.