Mine stripper

Details Mine stripper Mine stripper

2000-01-28

2001-12-18

Novosad, Christopher J. (Department: 3671)

Unearthing plants or buried objects

With rake or lateral deflector for ground contacting...

C171S046000, C171S105000

Reexamination Certificate

active

06330920

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to plow or rake type mechanisms for removing mines within several inches of the earth's surface.
2. Description of Prior Art
In the past a quick method of breeching and/or clearing a mine field involved sweeping aside the topsoil layer with the blade of a bulldozer or an equivalent farm tractor and plow arrangement. The advantage of a bulldozer is that the heavy blade offers a high degree of protection for the operator, when a mine is accidentally detonated. To balance the constant pressure on the blade, it evolved into a vee shape for most mine removal operations. Some drawbacks to this equipment are that the plowing action still slows the operation considerably and the blade often buries itself slowing or stalling the tractor completely. It also leaves the mines in rows to be gathered in a separate operation.
SUMMARY OF THE INVENTION
An improved rake assembly is provided that allows the rake to seek an optimal depth without completely burrying itself. This is combined with a sifting basket to achieve full clearance of the mines.


REFERENCES:
patent: 2738633 (1956-03-01), Bestland et al.
patent: 2763975 (1956-09-01), Weigel
patent: 5189243 (1993-02-01), Hambric

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