Alignment restoration means for use in seismic apparatus

Details Alignment restoration means for use in seismic apparatus Alignment restoration means for use in seismic apparatus

1989-01-09

1990-11-06

Steinberger, Brian S.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181401, 367191, 248638, G01V 104

Patent

active

049678701

ABSTRACT:
Alignment restoring apparatus for use with seismic shock generators that includes a support frame, a lift frame supported by the support frame, a seismic generator peripherally supported by the lift frame, and a base plate supported by the life frame and arranged to be impacted by the seismic generator. The alignment restoring apparatus includes biasing means located between the lift frame and the base plate to provide a restoring force upon movement of the frame relative to the base plate whereby the initial relationship between the frame and base plate is re-established assuring that the time lapse from initiating the propulsion of the seismic generator toward the base plate to the time of impact therebetween is repeatable.

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