Radial and flexible annular storage drum brake
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Apr 17, 2000
filing date -
Oct 15, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a yarn braking device (B) of a yarn feeder (F) for looms--of the type comprising an annular brake element (E) having a substantially conical and circumferentially continuous braking portion (P), of which at least the radial flexibility is significant and which is positioned coaxial to a body shaped as a drum (4), around which is wound a weft yarn reserve, under an axial spring load (K) and in peripheral contact, along an essentially circular braking zone (Z), with a rim (W) of said drum (4) from which the yarn (Y) is withdrawn, and a flexible and wearproof friction surface structure (S) provided on said braking portion (P) in said braking zone (Z)--said friction surface structure (S) is formed by a plurality of separate elements (C) contacting said braking portion (P) in said braking zone (Z) and movable one in respect of the other.
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