Patent ID: 6910326
Filing Date: 2005-06-28
Classification: D01H

Abstract:
1. A cleaning apparatus for cleaning a spin rotor of an open-end spinning station, said cleaning apparatus comprising: a rotatable cleaning head insertable into an interior of an open side of said spin rotor; at least two scraper elements carried on said cleaning head, said at least two scraper elements extendable outside of said cleaning head once said cleaning head has been inserted into said interior of said open side of spin rotor; and said at least two scraper elements controllably movable from a retracted position to a radially extended position after insertion of said cleaning head into said interior of said spin rotor to engage with a fiber collection groove within said spin rotor, said scraper elements disposed in such a manner that the sum of contacting forces created by said at least two scraper elements against said interior of said spin rotor is about zero.