Regressive suspension spring system
US10952372B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | May 27, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60G2300/084
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A regressive suspension spring system for a farm implement including a spring arm, a rocker arm, a wheel arm rotatably coupled to the farm implement at a first end and rotatably coupled to the rocker arm at a second end at a first pivot, one or more dogbone links rotatably coupled to the spring arm at a first end of the one or more dogbone links at a second pivot and rotatably coupled to the rocker arm at a second end of the one or more dogbone links at a third pivot; and a spring disposed between the rocker arm and the spring arm. An attachable farm implement including a regressive suspension spring system, such as a rotary cutter. A powered machine including a regressive suspension spring system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.