Device to measure axial displacement in a borehole

Details Device to measure axial displacement in a borehole Device to measure axial displacement in a borehole

2007-04-13

2008-03-25

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Distance measuring

Opposed contacts

C033S790000, C033S544000, C033S302000, C166S250010

Reexamination Certificate

active

07347003

ABSTRACT:
A device to measure minute displacement in rocks, including anchor deployment means, anchor registration means, and frame release means. Further including anchor units comprising a fixed anchor point, a reversible anchor actuator and a deployable anchor face capable of being deployed with a force of up to 2000 lbs.

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