Drive mechanism for driving a heald frame of a weaving machine
US10501872B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2016 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Oct 20, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD03C2700/0183
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A drive mechanism for driving a heald frame of a weaving machine, the drive mechanism having a crank rotating about a crank axis, a coupling rod, and a swivel lever having a first arm and a second arm, the coupling rod is linked to the first arm of the swivel lever by a second hinged joint adjustable with respect to the first arm of the swivel lever, wherein in at intended locations of the second hinged joint with respect to the first arm of the swivel lever, the second hinged joint is situated on an arc of an imaginary circle when the swivel lever is in a central position between the upper position and the lower position, wherein the imaginary circle has a radius that is equal to the distance between the first hinged joint and the second hinged joint, and the imaginary circle has a center that coincides with the crank axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.