Device for generating acoustic shear waves in the earth
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United States of America Patent
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Jan 14, 1986
Grant Date -
N/A
app pub date -
Jul 19, 1983
filing date -
Jul 19, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The improved device for generating acoustic shear waves in the earth comprises a target member adapted to be coupled with the earth and provided with two lateral striking surfaces on which impinges a hammer pivotably mounted on a platform; the target member is connected through damping means to a cage supporting the platform, the hammer and its actuation means, said cage being displaceable with respect to the frame of a carrying vehicle between a position of contact with the earth of the target member and a lifted position thereof, the striking surfaces being inner walls of the target member.
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