Radial roller head
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United States of America Patent
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Jun 5, 2012
Grant Date -
Jan 29, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 7, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Radial roller head with rollers distributively arranged in a holder under the same angular separations and in axial separations around a roller axis, the roller surfaces of which have an increasing progression in a spiral manner around the circumference in the counter clockwise direction. A gear wheel drive couples the rollers together. A locking device automatically locks into place after each full roller rotation and is released before each roller procedure via a moveable locking element. A drive device turns the rollers after release of the locking device up to the contact of the roller surfaces with a tool, in order to then be further turned through friction therewith. An electromagnet connected with the locking element, is arranged in the radial roller head with an electrical energy source and a switch connecting the energy source with the electromagnets when the switch is actuated via the work piece or another actuating device.
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