Actuating system of sectors of a device for producing an airplane fuselage
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United States of America Patent
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Jun 28, 2016
Issued Date -
N/A
app pub date -
Mar 28, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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Abstract
An actuating system of sectors of a device for producing an airplane fuselage in which a lamination mandrel includes a plurality of sectors that are angularly spaced about an axis and mobile between an expanded lamination position and a contracted dissembled position. Each sector has screw-nut screw type actuating system in which a threaded element is rotated about the axis by a motor. The threaded element includes an internal shaft made of a first material extending along the axis, an external tubular portion made of a second material that is mounted axially on the shaft and constraint element arranged between the internal shaft and the external tubular portion to prevent angular displacement of the external tubular portion with respect to the internal shaft and allow a linear sliding of the external tubular portion with respect to the internal shaft.
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