Back to results
US 4,377,065 AGranted
Double twister
AssigneeMurata Kikai Kabushiki Kaisha
InventorHideo Yanobu
Life of this patent
Estimating the term…
Abstract
A double twister provided with a pneumatic yarn guide means and tension regulating means including a hollow yarn guide tube inserted slidably in a central hole of a yarn supply bobbin of the double twister, a first spring for urging upward the hollow yarn guide tube and a second spring which is wound on the upper end of the yarn guide tube and may bring a flyer boss supporting member into pressing contact with a brake disc.
Claims5
A double twister provided with a pneumatic yarn guide means and tension regulating means, said double twister comprising
- a supply bobbin having a central hole;
- a hollow yarn guide tube inserted vertically and slidably in said central hole of said yarn supply bobbin;
- a cylindrical bobbin supporting member with a flange for supporting a bobbin, said member being pin connected to said yarn guide tube so that said yarn guide tube and said bobbin supporting member are integrally moved in a vertical direction;
- a first spring for urging upward said yarn guide tube and said bobbin supporting member;
- a brake disc;
- a flyer boss supporting member mounted freely rotatable at the top end of said bobbin supporting member through said brake disc and through which said yarn guide tube is inserted;
- and
- a second spring spirally wound on the upper end portion of said yarn guide tube thereby to bring said flyer boss supporting member into pressing contact with said brake disc when said yarn guide tube is located at a lower position.
5 more elements
Dependencies are inferred from the claim text.