Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1981-05-18
1982-08-03
Feyrer, James R.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
111 2, 340684, A01C 1100
Patent
active
043422705
ABSTRACT:
A digging and planting machine is provided having a tubular digging and planting tool mounted on a vehicle travelling along the ground surface, and at least one sensing and signalling means for sensing the resistance of the ground to penetration by the digging tip of the tool, thus gauging the condition of the ground, and detecting obstacles to such penetration, so as to ensure that the digging tip provides and a plant is fed to a planting hole of the desired depth, when ground condition is suitable, and, when ground condition is not suitable, that new digging attempts continue to be made at closely-spaced intervals as the vehicle travels over the ground until a planting hole of the desired depth is dug, so as to plant as many plants as close together as desired per unit area.
REFERENCES:
patent: 3931774 (1976-01-01), Bradley
patent: 3943863 (1976-03-01), Leonard et al.
patent: 3998171 (1976-12-01), Lofgren et al.
patent: 4067268 (1978-01-01), Lofgren et al.
patent: 4069774 (1978-01-01), Lofgren et al.
patent: 4112857 (1978-09-01), Bradley
patent: 4122974 (1978-10-01), Harbert et al.
patent: 4149163 (1979-04-01), Fathauer
patent: 4209109 (1980-06-01), Curl et al.
patent: 4273056 (1981-06-01), Lofgren et al.
Ekeborg Bo G.
Lofgren Stig-Gunnar
Feyrer James R.
Mo och Domsjo Aktiebolag
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