Automatic evacuation drilling bucket

Details Automatic evacuation drilling bucket Automatic evacuation drilling bucket

1992-12-30

1993-08-10

Taylor, Dennis L.

Boring or penetrating the earth

With above-ground means to move tool to a dumping location...

37189, 37347, 37901, E21B 2700

Patent

active

052340627

ABSTRACT:
An automatic evacuation drilling bucket comprises a follower formed with a working space for receiving a blade member which is capable of coming in contact with an osculating arm, the working space having upper, lower, transition and receiving compartments. If the blade member is located in the upper and lower compartments, the blade member is engaged with the follower when a drive shaft member is rotated in the normal and reverse directions. If the blade member is urged to move into the receiving compartment through the transition compartment, the blade member comes in contact with the osculating arm when the drive shaft member is rotated in the reverse direction.

REFERENCES:
patent: 1713037 (1929-05-01), Ellis
patent: 3185226 (1965-05-01), Robbins
patent: 3876258 (1975-04-01), Abderhalden
patent: 4307525 (1981-12-01), Macoblocki
patent: 4526242 (1985-07-01), Matthieu et al.
patent: 4945661 (1990-08-01), Kuioka et al.
patent: 4971163 (1990-11-01), Ohashi et al.

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