Apparatus for controlling the feed of yarn
US4221317A · kind A · utility
38Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1979 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | Jul 12, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19014
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for feeding yarn during a single stitch of a needle such that the mean rotational frequency of a yarn feeding drum connected to a first and second driving member is changed during the single stitch of the needle so as to regulate and control the feeding of the yarn and provide a maximum and minimum yarn length in the resulting stitch or selectively provide a yarn length between the maximum or minimum length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.