Friction coupling for the torque-limiting transmission of force between a coil core for winding or unwinding a tape and a rotary support
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United States of America Patent
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Nov 14, 2000
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N/A
app pub date -
May 12, 1999
filing date -
Feb 22, 1996
priority date (Note) -
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Abstract
In a friction coupling for the torque-limiting transmission of force between a core of a coil for winding or unwinding a tape and a rotary support for said core there is a first coupling component with an annular cross-section and a second coupling component taking the form of a moulding, in which the annular coupling component is in frictional engagement at several spaced contact points distributed over its periphery with contact area regions on the moulding, and in which one of the two coupling components is secured to the core of the coil, and the other coupling component is a component of the rotary support. The moulding is rigidly dimensionally stable while the annular first coupling component is made of a flexible material. On the occurrence of a relative movement between the two coupling components, the moulding continually deforms the annual coupling component via the contact points.
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