Knot tightener for baler twine
US11950541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2022 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Dec 29, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A knot stretcher for use in tightening splice knots that connect twine balls on an agricultural baler. The knot stretcher includes a pair of pulling bars connected at pulling bar pivot at one end of each of the pulling bars, and a pair of levers, where one of the pair of levers is attached in a middle section of its respective pulling bar. Each lever has a handle portion at one end and an arm portion extending from an elbow formed in the lever. Each lever attaches to its respective pulling bar with a fixed pivot located near the elbow and distal ends of the arm portions of the two levers are attached at a moving pivot. The knot stretcher has clamping jaws positioned on the pulling bars to securely clamp a respective one of the twine tails of the splice knot that is to be tightened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.