Planting dibble

Details Planting dibble Planting dibble

1976-04-27

1978-04-04

Burr, Edgar S.

Planting

Drilling and broadcasting

Main and auxiliary frame machines

111 3, 111 89, A01C 1102, A01C 504, A01G 2304

Patent

active

040820483

ABSTRACT:
The planting dibble of the invention comprises a hole-opening member connected to a piston-cylinder means which latter is a part of a planting tube and which activates the hole-opening member between closed position and a spread-apart position.

REFERENCES:
patent: 181065 (1876-08-01), Goodwin
patent: 191601 (1877-06-01), Knox
patent: 610625 (1898-09-01), Grim
patent: 1396784 (1921-11-01), Samuels et al.
patent: 1778701 (1930-10-01), Williams
patent: 2195765 (1940-04-01), Caulk
patent: 3460277 (1969-08-01), Grover et al.
patent: 3943863 (1976-03-01), Leonard et al.
patent: 3972294 (1976-08-01), Grundstrom et al.

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