Heavy-duty ripper for dual traction unit

Details Heavy-duty ripper for dual traction unit Heavy-duty ripper for dual traction unit

1977-05-25

1979-02-20

Shapiro, Paul E.

Earth working

Specific propelling means

37118R, 172276, 172483, 172780, 172800, 180 14A, 280400, A01B 3514

Patent

active

041401867

ABSTRACT:
An earthmoving apparatus has first and second traction units and a connecting device for connecting the second traction unit to the first traction unit in rearwardly spaced relationship. A ripper is carried by the connecting device intermediate the traction units. An adjusting device selectively adjusts the positioning of the ripper on the connecting device and includes a jack having a first portion carried by the connecting device and a second selectively extensible portion connected to the ripper for selectively positioning the ripper relative to and independently of the connecting device.

REFERENCES:
patent: 2279869 (1942-04-01), Houston
patent: 2732196 (1956-01-01), Wood
patent: 2998965 (1961-09-01), Larson
patent: 3245488 (1966-04-01), Peterson
patent: 3266816 (1966-08-01), Peterson et al.
patent: 3541709 (1970-11-01), Comer, Jr. et al.
patent: 3581827 (1971-06-01), Ratcliff
patent: 3815683 (1974-06-01), Collin, Jr. et al.
patent: 3821990 (1974-07-01), Elmslie
patent: 3884310 (1975-05-01), Soucek et al.

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