Device for supplying rinsing medium in a hammer drill
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United States of America Patent
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Jun 27, 2017
Grant Date -
Mar 14, 2013
app pub date -
Sep 7, 2012
filing date -
Sep 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A device for supplying a rinsing medium to a tool of a hammer drill and a hammer drill. The device includes at least one of a rotatable and axially displaceable drilling tool holder having at least one supply channel for the rinsing medium, a transfer part interacting with the drilling tool holder, a housing, a feeder structured and shaped essentially in an axially symmetrical manner, and a holding part with a rinsing medium inlet. The feeder and the holding part are arranged as a connected component, and friction bearings are arranged on both sides of the feeder and arranged toward the drilling tool holder. 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 positively fixed tangentially.
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