Patent ID: 9551641
Date: 2017-01-24
CPC Classifications: B23B,B27C,G01N,Y10T

Claim:
1. An exchangeable needle cartridge for a drilling measuring device, said exchangeable needle cartridge having a guiding device for a drilling needle, which guiding device is realized as a telescopic tube with a plurality of telescopic tube portions, wherein the plurality of telescopic tube portions extends between an operating end, on which a mounting is arranged for holding the drilling needle in a non-rotatable manner, and a docking end, on which a docking device of the exchangeable needle cartridge is arranged for coupling the telescopic tube with a driving device of the drilling measuring device, wherein the docking device comprises a coupling device for transmitting torque from the driving device of the drilling measuring device to the telescopic tube and a gear device for converting the rotational movement of the driving device of the drilling measuring device into a linear movement of the telescopic tube and means for detachably fastening the exchangeable needle cartridge on the drilling measuring device, wherein the needle together with the guiding device is able to be exchanged in toto from the driving device, wherein the docking device is an exchangeable docking device which has a drill chuck portion with a magnetic mounting and a receiving portion which is connectable to the drilling measuring device, wherein the drill chuck portion is releasably connectable at one end to the guiding device and at the other end to the receiving portion and the receiving portion has at least one fastening device which is realized for the purpose of fastening the receiving portion on the drilling measuring device.