Yarn tension with horizontal roller
US4403754A · kind A · utility
Inventor
Key dates
| Filing date | Sep 22, 1980 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Sep 22, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A yarn tension device is disclosed which includes a generally hollow, cylindrical body having an open top and an interior channel of sufficient size to contain one or more tensioning balls. The body terminates downwardly in inwardly converging bottom walls within which are mounted a pair of diametrically opposed ceramic eyelets for yarn inlet and yarn outlet. A flanged roller is horizontally positioned at the bottom of the body in transverse alignment to a plane through the eyelets to apply tension to yarn passing through the eyelets. The body is formed with parallel, planar walls adjacent to the roller flanges to maintain the position and orientation of the roller during yarn tensioning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.