Ground piercing attachment for tractors

Details Ground piercing attachment for tractors Ground piercing attachment for tractors

1986-04-29

1987-07-28

Leppink, James A.

Boring or penetrating the earth

Boring without earth removal

173 27, 173 38, E21B 726

Patent

active

046826599

ABSTRACT:
Ground piercing attachment for a tractor comprising a bracket which is adapted to be mounted to the lower end of the bucket of a tractor, an elongated bar and connector means for mounting the bar on the bracket so that the longitudinal axis of the bar assumes a vertical position irrespective of the orientation of the tractor so that raising of the bucket enables the bottom end of the bar to be positioned above the ground and subsequent lowering of the bucket causes the bar to be driven into the ground.

REFERENCES:
patent: 2426532 (1947-08-01), Tierney
patent: 2969966 (1961-01-01), Matheis
patent: 3327789 (1967-06-01), Furuseth
patent: 3864793 (1975-02-01), Guest
patent: 4066134 (1978-01-01), Karns, III
patent: 4087010 (1978-05-01), Stormon

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