Tandem ripper assembly

Details Tandem ripper assembly Tandem ripper assembly

1979-08-13

1982-02-02

Johnson, Richard J.

Earth working

Multiple level tools

172483, 172489, 172699, 172473, A01B 63118, A01B 1308, E02F 530

Patent

active

043135048

ABSTRACT:
A ripper assembly (10) includes at least two ripper members (16,18) mounted in tandem relationship and adapted for connection to a vehicle (14). A linkage assembly (20) interconnects the ripper members. A hydraulic cylinder (44) is operable to raise and lower the linkage assembly (20) so that the leading ripper member (16) penetrates the ground first and thereafter the trailing ripper member (18) penetrates the ground, vertically below the leading ripper member. The ripper assembly insures efficient ground penetration and a self-cleaning function in comparison with conventional rippers of the multiple-tooth type.

REFERENCES:
patent: 905895 (1908-12-01), Luchini
patent: 1033245 (1912-07-01), Huggins
patent: 1145212 (1915-07-01), Plummer
patent: 1287291 (1918-12-01), Gordon
patent: 2093125 (1937-09-01), Davenport
patent: 2357999 (1944-09-01), Cheek
patent: 2558692 (1951-06-01), Pace
patent: 3295612 (1967-01-01), Mayo
patent: 3503456 (1970-03-01), Larson
patent: 3684030 (1972-08-01), Lucero
patent: 4079593 (1978-03-01), Flippin

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