Weft-yarn drawing-off and length-measuring apparatus of weaving loom having weft selector means
US4074730A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1976 |
| Grant date | Feb 21, 1978 |
| Priority date | — |
| Expiry date | Sep 10, 1996 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD03D47/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a weaving loom of the type having program controlled weft selector means, a weft-yarn drawing-off and length-measuring apparatus comprising a detachable length-measuring roller. A pressing roller is in rolling contact with the length-measuring roller and movable relative to the length-measuring roller such as when the length-measuring roller is to be replaced with another roller having a different diameter. A roller guide mechanism including a parallelogrammic four-bar linkage contains the pressing roller to move in an arc. A weft guide mechanism is provided and is operative to move a weft yarn into and out of a position passable between the rollers. A control mechanism operated by the weft selector means drives the weft guide mechanism into and out of a condition providing the aforesaid position of the weft yarn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.