Driving and control mechanism for clamping, presentation and fastening of weft threads in gripper weaving looms
US4781226A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Apr 3, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD03D47/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A driving and control mechanism for clamping, presenting and holding weft threads on gripper weaving looms is disclosed, whereby at least one thread presentation element (1) can be moved to various positions. The mechanism is composed of at least two levers (5, 6) which are attached in a common manner with a coupling connecting the levers (5, 6) to a thread presentation element (1), a cam transmission (8, 9) for moving the levers (5, 6) locking device (10) which can actuate the lever arms (17, 18) located opposite to the lever arms (12, 13) attached to the coupling (7); and a control system (11) for actuating the locking device (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.