Spring system for a feeder roller of a harvester
US7677020B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2007 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Jul 23, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F29/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A spring system for a feeder device of an agricultural harvester having a first roller movably mounted in a casing and biased by the spring system towards a second roller in order the compress crop passing between the two rollers. The spring system comprises at least one spring surrounding a guide rod that extends in use between a movable support of the first roller and the casing of the feeder device. The guide rod is formed of two telescopically collapsible parts, one connected to the roller support and the other to the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.