Self-centering device for quick hooking and release of farm tool

Details Self-centering device for quick hooking and release of farm tool Self-centering device for quick hooking and release of farm tool

1995-08-03

1997-05-27

Arola, Dave W.

Earth working

Mast type hitch

Struts on trailer or between implement parts

172272, 172439, A01B 59043

Patent

active

056323468

ABSTRACT:
A self-centering device for quick hooking and release of farm tools on to and off of a tractor provided with a hydraulic hoister. The device includes a first substantially triangular male element preferably coupled to the tractor, a second substantially triangular female element preferably coupled to the farm tool to be hooked. The first and second substantially triangular elements are coupable to each other and a coupling and releasing mechanism for coupling and releasing the two elements is provided, and is operable directly from the tractor.

REFERENCES:
patent: 2743117 (1956-04-01), Hutchings
patent: 2888995 (1959-06-01), Sorensen
patent: 3151883 (1964-10-01), Stuart
patent: 3306630 (1967-02-01), Weiste
patent: 3379457 (1968-04-01), Restall et al.
patent: 3432184 (1969-03-01), Tweedy
patent: 4477101 (1984-10-01), Nilsson et al.
patent: 5193623 (1993-03-01), Burette

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