The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 07, 2001

Filed:

Apr. 17, 2000
Applicant:
Inventor:

Roberto Bertolone, Ponzone Biellese, IT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 5/122 ; D03D 4/734 ;
U.S. Cl.
CPC ...
B65H 5/122 ; D03D 4/734 ;
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 (,), 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contact, along an essentially circular braking zone (Z), with a rim (W) of said drum (,) from which the yarn (Y) is withdrawn, and a flexible and wearproof friction surface structure (S) provided on said braking portion (P) in said braking zone (Z)—said friction surface structure (S)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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