Earth working – Sod cutter
Patent
1984-11-29
1986-10-14
Stouffer, Richard T.
Earth working
Sod cutter
172 40, 74519, A01B 4504, G05G 104
Patent
active
046167137
ABSTRACT:
The blade adjustment device of the present invention is used with a sod cutting machine comprising a sod cutting blade, a sod roller positioned in close spaced relation to the blade for cooperating with the blade to sever the sod from the ground, a blade supporting frame connected to the blade and movably mounted for movement toward and away from the roller. The adjustment device comprises a power actuator, and a linkage mechanism pivotally interconnecting the power actuator to the blade supporting frame for causing the blade supporting frame to move toward and away from the roller. The linkage includes an input end connected to the power means and an output end connected to the blade supporting frame for moving the blade supporting frame in response to actuation of the power actuator. The linkage mechanism reduces the distance of movement, so that the input end moves a greater distance than the output end.
REFERENCES:
patent: 2614477 (1952-10-01), Habenicht
patent: 2617347 (1952-11-01), Provost
patent: 3509944 (1970-05-01), Brouwer et al.
patent: 4029152 (1977-06-01), Gerrits
patent: 4317383 (1982-03-01), Kurosaki et al.
patent: 4381166 (1983-04-01), Smart
patent: 4422392 (1983-12-01), Dreyer et al.
patent: 4466769 (1984-08-01), Inaba et al.
patent: 4506740 (1985-03-01), Carter
patent: 4553606 (1985-11-01), Arnold
Brown Terrence L. B.
Stouffer Richard T.
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