Apparatus for selective positive feeding of a plurality of yarns to a striping knitting machine
US4386508A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 18, 1981 |
| Grant date | Jun 7, 1983 |
| Priority date | — |
| Expiry date | May 18, 2001 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04B35/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to an apparatus for selective positive feeding of a plurality of yarns (Fa-Fd) to striping knitting machines, comprising a plurality of yarn feeding units (1), each having a number of yarn feeding devices. The invention proposes to use a single electromagnet (9) in each yarn feeding unit to move the yarn control elements (7'a-7'd) of all yarn feeding devices from their feeding to their non-feeding positions by means of a uni-directional coupling between the electromagnet (9) and the control elements (7'a-7'd) and to move the control elements in the reverse direction by means of an increase in yarn tension when the yarn (Fa-Fd) is being knitted into the fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.