Swivel hitch for chisel plows

Details Swivel hitch for chisel plows Swivel hitch for chisel plows

1976-06-28

1978-01-24

Marlo, George J.

Earth working

Mast type hitch

Sway limiting means or swayable tool

172677, 172457, 172748, 172451, A01B 59043, A01B 63116

Patent

active

040698742

ABSTRACT:
A swivel hitch for chisel plows comprising a pair of vertically spaced flat plates secured at their rearward ends to the transversely extending frame member or tool bar of the chisel plow and having a flat bar pivotally received therebetween. The opposite ends of the flat bar are positioned outwardly of the flat plates and are adapted to be connected to the lower arms of the tractor three-point hitch. The upper arm of the tractor three-point hitch is secured to the existing clevis element secured to the plow frame member or tool bar. A pair of bolts may be extended through the flat plates and the bar for safety purposes during transport.

REFERENCES:
patent: RE22627 (1945-04-01), McKay
patent: 2673535 (1954-03-01), Riddle et al.
patent: 2690109 (1954-09-01), Frevik et al.
patent: 2729469 (1956-01-01), Wilson
patent: 2745330 (1956-05-01), Nelson
patent: 2762284 (1956-09-01), Fraga
patent: 2872990 (1959-02-01), Fraga
patent: 2914342 (1959-11-01), Silver et al.
patent: 3037357 (1962-06-01), Knapp et al.
patent: 3056458 (1962-10-01), Gray

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