Servocontrolled magnetic gripping device
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United States of America Patent
Stats
-
Dec 16, 2003
Grant Date -
Dec 19, 2002
app pub date -
May 17, 2002
filing date -
May 17, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic gripping device having a magnetic assembly in turn having an outer magnetic core, and an inner magnetic core mounted inside the outer magnetic core so as to rotate, about a given axis of rotation, between a first operating position, in which the inner magnetic core prevents the outer magnetic core from attaching magnetically to the surface of a generic part of ferromagnetic material, and a second operating position, in which the inner magnetic core allows the outer magnetic core to attach magnetically to the surface of the part; the gripping device also having a torque-control actuating device, which, on command, rotates the inner magnetic core in such a manner as to set it selectively to the first or second operating position, while controlling the value of the twisting torque employed in doing so.
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