Packer wheel assembly

Details Packer wheel assembly Packer wheel assembly

1984-04-18

1986-04-01

Hafer, Robert A.

Planting

Drilling

Lister units

A01C 720

Patent

active

045790710

ABSTRACT:
Packer wheel assemblies attached to earthworking tools of a field cultivator compact soil about seeds dispensed into the soil with an air planter. Each packer wheel assembly has a body adjustably mounted on the shank of each tool and an arm pivotally connected to the body. Ground engaging wheels are rotatably mounted on the arm. A coil spring connected to the arm biases the wheels downwardly into engagement with the soil.

REFERENCES:
patent: 309403 (1884-12-01), Otstot
patent: 1091831 (1914-03-01), Gibbons
patent: 1202562 (1916-10-01), Mintern
patent: 1388498 (1921-08-01), Welke
patent: 1653760 (1927-12-01), Carey
patent: 1901299 (1933-03-01), Johnson
patent: 2515704 (1950-07-01), Gardiner
patent: 2712780 (1955-07-01), Graham
patent: 2736279 (1956-02-01), Johnston
patent: 3100462 (1963-08-01), Steele et al.
patent: 3175622 (1965-03-01), Stam
patent: 4009668 (1977-03-01), Brass et al.
patent: 4296695 (1981-10-01), Quanbeck
patent: 4307674 (1981-12-01), Jennings et al.
patent: 4466492 (1984-08-01), Steinberg

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