Hollow shaft motor for false twist texturing yarn

Details Hollow shaft motor for false twist texturing yarn Hollow shaft motor for false twist texturing yarn

D - Textiles, Paper

02

G

118/27

D02G 1/02 (2006.01) D02G 1/08 (2006.01)

Patent

CA 1066571

ABSTRACT OF THE DISCLOSURE An improved rotatable twist tube device is disclosed for false twist texturing a continuous filament thermoplastic yarn being passed through the twist tube. The twist tube com- prises a hollow shaft rotor constituted as the rotor of an electric motor. Two bell housings, one attached to each end of the motor body, house ball bearings which support the hollow shaft rotor near each of its ends. A friction bushing is positioned in each end of the hollow shaft rotor. The friction bushings each have a rounded front friction surface and have a back surface extending outwards from the hollow shaft rotor. The improvement comprises an annular extension of each bell housing which projects beyond the end of the hollow shaft rotor and encompasses a portion of the adjacent bushing. The annular extension of each bell housing is adapted to prevent yarn wraps on the outside of the hollow shaft rotor by deflecting such wraps onto the surface of the friction bushing.

282966

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