Device for the controlled stabilization of tool holder shanks
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United States of America Patent
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Nov 21, 2023
Grant Date -
Jan 21, 2021
app pub date -
Jul 14, 2020
filing date -
Jul 15, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for the controlled stabilization of tool holder shanks on the respective ring nut, the tool holder shanks, motorized or non-motorized, being predisposed for ER or other type fixing. The device comprises a ring nut and a tool holder shank of a truncated conical shape provided externally with a groove in which means connecting the ring nut to the tool holder are arranged inside the ring nut. The connecting means consist of an annular body formed of at least two shaped half-rings that define opposite protrusions projecting outwardly and centrally to form a shaped prominence having an arched-convex outer profile; on each of the shaped prominences a recess is made predisposed to house respective elastic pins, by means of which the shaped half-rings are firmly connected inside the ring nut blind holes.
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