Patent ID: 9689616
Date: 2017-06-27
CPC Classifications: C21B,F27D

Claim:
1. A device for supplying a rinsing medium to a tool of a hammer drill, comprising: at least one of a rotatable and axially displaceable drilling tool holder having a tool seat and at least one supply channel for the rinsing medium; a transfer part coupled to drive the drilling tool holder; a housing surrounding at least part of the drilling tool holder and part of the transfer part; a feeder, surrounding the drilling tool holder, that is structured and shaped essentially in an axially symmetrical manner and in fluid communication with the at least one supply channel to supply the rinsing medium to the tool seat through the drilling tool holder; a holding part, surrounding the feeder, with a rinsing medium inlet; the feeder and the holding part being arranged as a connected component; and friction bearings being arranged on both axial sides of the feeder and arranged toward the drilling tool holder, wherein the holding part is structured to be radially displaceable within limits via bending with respect to at least one of the housing and a fixing ring connected to the housing, but rotationally fixed.