Agricultural baler with improved needle coupling device
US10455769B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Apr 19, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F2015/0866
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A baler including a bale chamber; a plunger configured to compress crop material in the bale chamber in order to form a bale; a needle yoke with a plurality of needles configured to deliver twine through the bale chamber; a plurality of knotters configured to receive the twine from the plurality of needles; a bale length measurement and trigger device configured to measure the length of the bale in the bale chamber and to generate a trigger when a predetermined length is reached; a driving shaft located above the bale chamber and extending in a traverse direction of the baler; a needle coupling device between the driving shaft and the needle yoke, the needle coupling device being configured for moving the needle yoke from a rest position to a twine delivery position and back, when the bale length measurement and trigger device generates a trigger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.