Disk harrow standard for support beams of different cross sectio

Details Disk harrow standard for support beams of different cross sectio Disk harrow standard for support beams of different cross sectio

1988-06-20

1989-06-27

Johnson, Richard J.

Earth working

Rolling, rotating or orbitally moving tool

Disk gang

172763, A01B 1516, A01B 2306

Patent

active

048420778

ABSTRACT:
A disk bearing standard which may be utilized with support tubes of different cross sections by simply changing a low cost U-bolt which clamps the standard to the tube. The standard includes front and lower locating surfaces formed at an angle of ninety degrees with respect to each other. A bolt-receiving member angles upwardly from the forward surface at an angle of about forty-five degrees and receives an angled leg of the U-bolt. The rear leg of the U-bolt extends downwardly through an elongated slot at the aft end of the lower locating surface. The size of the U-bolt is selected according to the size of the mounting tube, and the U-bolt clamps the standard in two planes perpendicular to each other to prevent misalignment of the standard when loads are applied. A rearwardly extending appendage provides a scraper tube mounting which is fixed with respect to the center line of the disk blades regardless of the selected size of the mounting tube.

REFERENCES:
patent: 3425755 (1969-02-01), Harris
patent: 3576216 (1971-04-01), Tanke
patent: 3833067 (1974-09-01), Peterson, Jr. et al.
patent: 4249782 (1981-02-01), Frank
patent: 4333535 (1982-06-01), Hentrich, Sr.
patent: 4461358 (1984-07-01), Lewison
Bush Hog Field Cultivators 12000 Series Brochure, BH-8, Date Stamped Jan. 11, 1978.
Westgo Field Cultivator Brochure, Date Stamped Apr. 10, 1978.
Bush Hog Advertizing Brochure Field Cultivators 1200 Series BH-8, 1-1-78.
Westgo Field Cult Brochure 4-1978.

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