Boot with scraper for a fertilizer opener in an agricultural machine
US7487732B2 · kind B2 · utility
11Cited by
1References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2006 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Mar 7, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C5/064
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural machine includes a frame and at least one fertilizer opener carried by the frame for opening a trench in soil. Each fertilizer opener includes an opener disc positioned at an angle relative to a working direction, a boot positioned behind the opener disc relative to the working direction, and at least one fertilizer tube positioned behind the boot relative to the working direction. The boot includes a recess at a trailing edge thereof. The recess at least partially surrounds at least one fertilizer tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.