Textiles: spinning – twisting – and twining – Apparatus and processes – Monitor and control
Reexamination Certificate
2007-04-10
2007-04-10
Hurley, Shaun R. (Department: 3765)
Textiles: spinning, twisting, and twining
Apparatus and processes
Monitor and control
C057S406000
Reexamination Certificate
active
10820745
ABSTRACT:
A supporting disc for a supporting disc bearing of open-end spinning rotors has a disc-like base body, on whose outer circumference a tire-like covering is applied. On a front side of the supporting disc facing the operator's side of the spinning aggregate, a cylinder-shaped permanent magnet for non-contact speed monitoring is arranged at a distance from the axis of the supporting disc. For the purpose of the correction of mass imbalances, the permanent magnet is inserted into a through bore hole, which is filled out by the permanent magnet only up to a gradation of diameters which serves as a stopping surface. As the permanent magnet is arranged in the transition area between the base body and the tire-like covering, the part of the through bore hole not filled out by the permanent magnet can be filled out by the covering.
REFERENCES:
patent: 5509262 (1996-04-01), Stahlecker
patent: 5675964 (1997-10-01), Stahlecker
patent: 5799478 (1998-09-01), Legrom
patent: 6212868 (2001-04-01), Braxmeier
patent: 6269622 (2001-08-01), Simon
patent: 101 30 734 (2003-01-01), None
patent: 1338686 (2003-08-01), None
Crowell & Moring LLP
Hurley Shaun R.
Maschinenfabrik Rieter AG
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