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US 4,662,031 AGranted
Opening roller for removing material from fiber bales
AssigneeTrutzschler GmbH & Co. KG
InventorsStefan Feiks, Josef Temburg
Life of this patent
Estimating the term…
Abstract
An opening roller for removing tufts from fiber bales includes a cylindrical core adapted to be supported for rapid rotation and annular toothed discs affixed peripherally to the cylindrical core. The toothed discs which have teeth adapted to penetrate into the fiber bales upon rotation of the cylindrical core are arranged to have a helical course.
Claims11
In an opening roller for removing tufts from fiber bales, including a cylindrical core having an axis and annular toothed discs affixed in an axially spaced relationship peripherally to said cylindrical core;
- said toothed discs having teeth adapted to penetrate into the fiber bales upon rotation of said cylindrical core;
- the improvement wherein each said toothed disc has a helical course, and further wherein axially adjoining teeth are peripherally offset relative to one another and said teeth, viewed as a whole, extend in a screw-thread pattern on said cylindrical core and further comprising a plurality of circumferential annular clearances defined between selected adjoining toothed discs for accommodating grate bars of a grate in an installed state of said opening roller.
Dependencies are inferred from the claim text.