Mounting assembly for straw chopper blades
US6783453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2002 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Aug 29, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/40
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mounting assembly for fastening blades to a straw chopper rotor. The rotor is provided with a plurality of mounts each mount having a rotor mounting hole. The blades are secured to the mounts. Each blade is provide with a blade mounting hole. A pin is inserted into the rotor mounting hole and the blade mounting hole. The pin is provided with a locking element for holding the pin in place. The locking element having a trapping position where it is locked in place and a loosening position wherein the pin can be removed. The locking element is held in its trapping position by a spring. The locking element engaging a recess having an edge for holding the locking element in the trapping position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.