Collapsible bar assembly for agricultural equipment

Details Collapsible bar assembly for agricultural equipment Collapsible bar assembly for agricultural equipment

1991-10-18

1993-03-30

Reese, Randolph A.

Earth working

Overload shifting

Against spring return device

172439, 172261, A01B 6100

Patent

active

051975521

ABSTRACT:
A collapsible bar assembly which is particularly useful in couplings between a tractor and an agricultural implement, the collapsible bar assembly having first and second bars which are normally co-linear but which rotate relative to one another when a predetermined compressive force is applied thereto such as by the agricultural implement striking an obstruction. The bar assembly can be incorporated into the draw bar or into various parts of the equipment such as a plough or the like which has ground working tines.

REFERENCES:
patent: 2573221 (1951-10-01), Romig
patent: 2747486 (1956-05-01), Wilson
patent: 3910354 (1975-10-01), Johnson et al.
patent: 3972374 (1976-08-01), Venable et al.
patent: 4312407 (1982-01-01), Crosby
patent: 4363363 (1982-12-01), Dyck
patent: 4519461 (1985-05-01), Harden et al.
patent: 4609051 (1986-09-01), Good

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