Scraper with ripper assembly

Details Scraper with ripper assembly Scraper with ripper assembly

1984-02-16

1985-11-19

Johnson, Richard J.

Earth working

Diverse tools

Second implement follows path of first

172785, 172464, A01B 4902, E02F 385

Patent

active

045536082

ABSTRACT:
A scraper machine for ground levelling and earth planing having a scraper unit and a ripper assembly for scarifying and loosening in advance of levelling and planing and with the ripper assembly being carried by a raised front end member of the scraper unit, vertically adjustable with respect to the scraper unit, and pulled through a ripper tongue that is pivotally connected to a main tongue of the scraper unit.

REFERENCES:
patent: 2840933 (1958-07-01), Brem
patent: 3319366 (1967-05-01), Thompson
patent: 3324955 (1967-06-01), Perold
patent: 3724557 (1973-04-01), Boschung
patent: 3774696 (1973-11-01), Horsch
patent: 3941195 (1976-03-01), Stedman
patent: 4383380 (1983-05-01), Miskin

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