Harrows with special additional arrangements, e.g. means for distributing fertilisers; Harrows for special purposes (Fulltext... Hierarchy... Expanded...A01B 39/00 takes precedence)
Devices for loosening soil compacted by wheels or the like
P:40
A01B 39/00
Other machines specially adapted for working soil on which crops are growing
P:20
A01B 41/00
Thinning machines
P:200
A01B 43/00
Gatherers for removing stones, undesirable roots or the like from the soil, e.g. tractor-drawn rakes [4]
P:30
A01B 45/00
Machines for treating meadows or lawns
P:10
A01B 47/00
Soil-working with electric potential applied between tools and soil
P:50
A01B 49/00
Combined machines (auxiliary devices attached to machines of a different kind, e.g. harrows attached to ploughs, see the relevant groups for the machines)
Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track [3]
A01B 69/02
·
Ridge-marking or like devices; Checkrow wires; Accessories therefor
A01B 69/04
·
Special adaptations of automatic tractor steering, e.g. electric system for contour ploughing
A01B 69/06
·
Lateral steering of machines by an additional operator
A01B 69/08
·
Lateral steering of machines derived from the lateral movement of tractor
P:290
A01B 71/00
Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes