Subsoil planar tool and shear bolt therefor

Details Subsoil planar tool and shear bolt therefor Subsoil planar tool and shear bolt therefor

1978-08-08

1983-12-06

Stouffer, Richard T.

Earth working

Overload shifting

Frangible lock

172196, 172699, A01B 6104

Patent

active

044187602

ABSTRACT:
A subsoil cultivating tool is sickel-shaped and planar with front and rear edges configured the same to facilitate manufacture. A plurality of such tools can be stamped or punched from a single sheet or plate and waste is minimized. The tool has an upper fastening portion that is mounted on an implement frame via an inclined support connected to a frame beam. The support is channeled and the fastening portion held between the two limbs to rest on the web. At the front of the limbs, a pivot connects the front of the fastening portion and at the rear, a shear bolt on support tags bears on the upper edge of the tool. A row of tools with respective supports can be mounted on the frame with a spraying device, a roller and seed drills trailing in that order.

REFERENCES:
patent: D244753 (1977-06-01), Watts
patent: 1276720 (1918-08-01), Carpenter
patent: 1635442 (1927-07-01), Sigurd
patent: 3450212 (1969-06-01), Sylvester
patent: 3753409 (1973-08-01), Frazier
patent: 3998276 (1976-12-01), MacMillan
patent: 4057112 (1977-11-01), Taylor

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