Drill chuck
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United States of America Patent
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Oct 16, 2018
Grant Date -
Aug 18, 2016
app pub date -
Feb 17, 2016
filing date -
Feb 17, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A drill chuck having a chuck body connectable to a drilling spindle, in which are arranged clamping jaws in guide seats extending at an angle to the chuck axis, which are movable for opening and closing via a threaded ring that is arranged to be immovable relative to the chuck body. A locking device includes a coaxial ring of locking recesses as well as a locking element that is engaged in the locking recesses under the force of a locking spring. An adjusting ring rotatable to a limited extent between stops, the rotation of which adjusts the locking element. A detent device creating two detent positions in the circumferential direction. Attached to the axially forward section of the chuck body in a rotationally fixed and axially immovable manner is a locking sleeve that carries the ring of locking recesses and serves to axially secure the threaded ring.
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