Roller burnishing tool device
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United States of America Patent
Stats
-
Nov 28, 2017
Grant Date -
Dec 24, 2015
app pub date -
Jun 23, 2015
filing date -
Jun 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a roller burnishing tool device including a shank; a housing connected to the shank, a connected position of the housing relative to the shank being adjustable; a roller support member supported to be capable of rotating relative to the housing and attached to follow a movement of the housing in a case of adjusting the connected position; tapered rollers supported by the roller support member; a mandrel having a tapered portion matched with the tapered rollers and movable relative to the roller support member; and a tool diameter following mechanism connecting the shank and the mandrel, having a lead groove formed spirally in a front portion of the shank, a pin member capable of moving along the lead groove, a pin member insertion hole formed in the mandrel to insert the pin member therein, and a biasing unit biasing the mandrel forward.
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