Opening cylinder for open-end spinning machines or the like
First Claim
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1. Opening cylider for open-end spinning machines or the like, comprising:
- a cylindrical basic body;
undercut grooves disposed in the outer surface of said cylindrical body, said grooves running helically at an acute angle (α
) to the longitudinal axis of said cylindrical body; and
needlebars having plastic roots with an intrinsic elasticity, said needlebars being inserted and retained in said grooves;
whereby the needlebars are held parallel to the longitudinal axis of said cylindrical body due to the helical twisting of their roots.
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Abstract
The invention relates to an opening cylinder for open-end spinning machines or the like comprising a cylindrical basic body (1) with helically extending grooves (2) for the accommodation for fittings. To achieve high combing quality with easy replaceability of the fittings and low cost weight-saving design of the basic body, it is provided according to the invention that the grooves (2) for the accommodation of the root (9) of a needle-bar (8) exhibit an undercut and run at an acute angle (α) to the longitudinal axis (3) of the cylindrical basic body (1).
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Citations
4 Claims
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1. Opening cylider for open-end spinning machines or the like, comprising:
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a cylindrical basic body; undercut grooves disposed in the outer surface of said cylindrical body, said grooves running helically at an acute angle (α
) to the longitudinal axis of said cylindrical body; andneedlebars having plastic roots with an intrinsic elasticity, said needlebars being inserted and retained in said grooves; whereby the needlebars are held parallel to the longitudinal axis of said cylindrical body due to the helical twisting of their roots. - View Dependent Claims (2, 3, 4)
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Specification