Cultivating machine
US3931858A · kind A · utility
15Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1974 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Mar 14, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B13/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tractor-mounted cultivator is combined with a frame on which fixed cultivating tools are mounted. The fixed tools extend behind the rotary cultivator to break up ground below the level of rotary cultivation. The frame is releasably attached to the rotary cultivator and the attachment means are such that the frame can be used independently by direct attachment to the tractor three-point linkage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.