Chuck for a tube acting as a package support
US4106711A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1977 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Nov 10, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A chuck device for a tube used for supporting thread packages of textile yarns or threads comprisng a thread severing ring provided with protruding substantially tooth-shaped cutting elements and an adjacent thread guide ring which, for the purpose of guiding the thread in a direction towards the thread severing ring, is provided with a thread guide surface extending beneath the cutting elements and an adjacent extension or projection. The extension has recess means and radially movable clamping means are arranged in the recess means. At the operational rotational speed of the chuck the radially movable clamping means in conjunction with the cutting elements form clamping points or locations for the thread caught therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.