Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1982-11-18
1984-04-24
Stouffer, Richard T.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
111 3, 294 509, A01C 1102
Patent
active
044441312
ABSTRACT:
A seedling planter comprising a planting tube provided with a handle and having on its lower end a crown which produces in the soil a planting hole, this crown comprising on the continuation of the planting tube a stationary jaw tapering in wedge fashion towards its tip and having a cross sectional shape conforming to that of the planting tube, and to the lateral margins of this jaw having been affixed pivot pins located in the vertical plane passing through the planting tube's centre-line, on these pivot pins being turnably carried a moving jaw, likewise tapering in wedge fashion in its tip portion, and a yoke lever with U-shaped legs, to the bow part of which has been affixed a pedal lever located on one side of the planting tube, by depressing which the jaw can be made to assume its opened, planting position, in which it is securable with a locking device comprising, affixed to the stationary jaw on the side opposite to the pedal lever, a substantially vertical elastic metal wire provided with two bends spaced from each other vertically and serving an upper and lower dead-point, and this locking device furthermore comprising, belonging as an integral part to the movable jaw, a lug rotatably carried on the pivot pin on the side of the wire and carrying at its tip a pin departing to some distance in lateral direction.
REFERENCES:
patent: 1870043 (1932-08-01), Erickson
patent: 2216720 (1940-10-01), Cousins
patent: 3749034 (1973-07-01), Bergius et al.
patent: 3765347 (1973-10-01), Tormstrom
Lewis Bradley M.
Stouffer Richard T.
T. Marttinen Ky
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