Apparatus for drawing in warp threads into a harness
US4748568A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 13, 1986 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Jan 13, 2006 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD03J1/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The apparatus comprises a slide (1) with a sley hook (5) reciprocally movable transversely to the slide path which after each step of the slide is automatically advanced into a reed space of the harness (4) disposed parallel to the slide path and is withdrawn after hooking in the warp thread. The step length of the slide (1) is exactly identical to the individual reed spacing which is optically sensed by a television camera (12) and is measured respectively calculated by an electronic equpment (16, 17, 18, 19). This continuous touchfree measurement of the reed spacing enables a faultless reading even on finest reeds, without the disadvantages of a mechanical sensing of the harness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.